[7074] always set parent on empty_spaces_before_argument

[Gavin D. Smith]

Revision: 7074
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=7074
Author:   gavin
Date:     2016-03-28 12:12:58 +0000 (Mon, 28 Mar 2016)
Log Message:
-----------
always set parent on empty_spaces_before_argument

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/tp/Texinfo/Parser.pm
    trunk/tp/t/results/converters_tests/at_commands_in_raw.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl
    trunk/tp/t/results/converters_tests/char_latin1_latin1_in_refs.pl
    trunk/tp/t/results/converters_tests/char_latin1_utf8_in_refs.pl
    trunk/tp/t/results/converters_tests/char_latin2_latin2_in_refs.pl
    trunk/tp/t/results/converters_tests/image_extension.pl
    trunk/tp/t/results/converters_tests/image_formatting.pl
    trunk/tp/t/results/converters_tests/image_with_spaces.pl
    trunk/tp/t/results/converters_tests/inline.pl
    trunk/tp/t/results/converters_tests/inline_expand_tex.pl
    trunk/tp/t/results/converters_tests/inlinefmtifelse.pl
    trunk/tp/t/results/converters_tests/inlineifsetifclear.pl
    trunk/tp/t/results/converters_tests/ref_error_formatting.pl
    trunk/tp/t/results/converters_tests/ref_in_sectioning.pl
    trunk/tp/t/results/converters_tests/refs_formatting.pl
    trunk/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl
    trunk/tp/t/results/converters_tests/spaces_in_empty_node_names.pl
    trunk/tp/t/results/converters_tests/spaces_in_node_names.pl
    trunk/tp/t/results/converters_tests/things_before_setfilename.pl
    trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
    trunk/tp/t/results/converters_tests/top_in_ref.pl
    trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl
    trunk/tp/t/results/coverage/commands.pl
    trunk/tp/t/results/coverage/indicateurl_end_lines.pl
    trunk/tp/t/results/coverage/invalid_U.pl
    trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
    trunk/tp/t/results/coverage/test_errormsg.pl
    trunk/tp/t/results/coverage/titlefont_in_center.pl
    trunk/tp/t/results/coverage_braces/abbr_acronym.pl
    trunk/tp/t/results/coverage_braces/anchor_not_closed.pl
    trunk/tp/t/results/coverage_braces/brace_opened_no_command.pl
    trunk/tp/t/results/coverage_braces/ctrl.pl
    trunk/tp/t/results/coverage_braces/email_possibilities.pl
    trunk/tp/t/results/coverage_braces/empty_commands.pl
    trunk/tp/t/results/coverage_braces/empty_images.pl
    trunk/tp/t/results/coverage_braces/empty_line_in_anchor.pl
    trunk/tp/t/results/coverage_braces/empty_ref.pl
    trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl
    trunk/tp/t/results/coverage_braces/end_line_in_anchor.pl
    trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl
    trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl
    trunk/tp/t/results/coverage_braces/nested_args.pl
    trunk/tp/t/results/coverage_braces/nested_in_sc.pl
    trunk/tp/t/results/coverage_braces/recursive_acronym.pl
    trunk/tp/t/results/coverage_braces/ref_empty_node.pl
    trunk/tp/t/results/coverage_braces/ref_in_style_command.pl
    trunk/tp/t/results/coverage_braces/space_command_in_image.pl
    trunk/tp/t/results/coverage_braces/space_in_anchor.pl
    trunk/tp/t/results/coverage_braces/space_in_image.pl
    trunk/tp/t/results/coverage_braces/test_image.pl
    trunk/tp/t/results/coverage_braces/too_much_args.pl
    trunk/tp/t/results/coverage_braces/uref_in_ref.pl
    trunk/tp/t/results/coverage_braces/uref_url.pl
    trunk/tp/t/results/coverage_braces/verb_in_xref.pl
    trunk/tp/t/results/def/ref_in_def.pl
    trunk/tp/t/results/float/anchor_in_caption.pl
    trunk/tp/t/results/float/complex_float.pl
    trunk/tp/t/results/float/float_copying.pl
    trunk/tp/t/results/float/numbering_captions_listoffloats.pl
    trunk/tp/t/results/float/ref_to_float.pl
    trunk/tp/t/results/html_tests/check_htmlxref.pl
    trunk/tp/t/results/html_tests/commands_in_abbr.pl
    trunk/tp/t/results/html_tests/commands_in_alt.pl
    trunk/tp/t/results/html_tests/commands_in_email.pl
    trunk/tp/t/results/html_tests/documentdescription.pl
    trunk/tp/t/results/html_tests/image_link_prefix.pl
    trunk/tp/t/results/html_tests/ref_in_preformatted.pl
    trunk/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl
    trunk/tp/t/results/include/cpp_lines.pl
    trunk/tp/t/results/indices/image_lines_count.pl
    trunk/tp/t/results/indices/image_text_lines_count.pl
    trunk/tp/t/results/info_tests/anchor_and_spaces.pl
    trunk/tp/t/results/info_tests/anchor_in_command.pl
    trunk/tp/t/results/info_tests/before_node_and_section.pl
    trunk/tp/t/results/info_tests/center_flush.pl
    trunk/tp/t/results/info_tests/file_only_png.pl
    trunk/tp/t/results/info_tests/image_and_punctuation.pl
    trunk/tp/t/results/info_tests/image_and_spaces_formatting.pl
    trunk/tp/t/results/info_tests/image_extension.pl
    trunk/tp/t/results/info_tests/image_file_search.pl
    trunk/tp/t/results/info_tests/image_in_paragraph.pl
    trunk/tp/t/results/info_tests/image_not_found.pl
    trunk/tp/t/results/info_tests/image_quotes.pl
    trunk/tp/t/results/info_tests/image_text_encoded.pl
    trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl
    trunk/tp/t/results/info_tests/invalid_node_name_warning.pl
    trunk/tp/t/results/info_tests/multiline_image_and_align.pl
    trunk/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl
    trunk/tp/t/results/info_tests/nested_multitable_anchor_index.pl
    trunk/tp/t/results/info_tests/novalidate_empty_refs.pl
    trunk/tp/t/results/info_tests/pxref_test.pl
    trunk/tp/t/results/info_tests/ref_tests.pl
    trunk/tp/t/results/info_tests/test_index.pl
    trunk/tp/t/results/info_tests/top_node_normalization.pl
    trunk/tp/t/results/info_tests/xref_test.pl
    trunk/tp/t/results/invalid_nestings/accents.pl
    trunk/tp/t/results/invalid_nestings/center.pl
    trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl
    trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl
    trunk/tp/t/results/invalid_nestings/in_errormsg.pl
    trunk/tp/t/results/invalid_nestings/in_table.pl
    trunk/tp/t/results/invalid_nestings/item_in_ref.pl
    trunk/tp/t/results/invalid_nestings/on_block_command_line.pl
    trunk/tp/t/results/invalid_nestings/on_def_line.pl
    trunk/tp/t/results/invalid_nestings/on_index_entry_line.pl
    trunk/tp/t/results/invalid_nestings/on_itemize_line.pl
    trunk/tp/t/results/invalid_nestings/on_node_line.pl
    trunk/tp/t/results/invalid_nestings/on_section_line.pl
    trunk/tp/t/results/invalid_nestings/on_subheading_line.pl
    trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
    trunk/tp/t/results/invalid_nestings/ref_in_anchor.pl
    trunk/tp/t/results/invalid_nestings/ref_in_ref.pl
    trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
    trunk/tp/t/results/languages/multiple_lang_chapters.pl
    trunk/tp/t/results/languages/multiple_lang_chapters_texi2html.pl
    trunk/tp/t/results/languages/unknown_language.pl
    trunk/tp/t/results/macro/ignored_macro_definition.pl
    trunk/tp/t/results/macro/macro_in_brace_command.pl
    trunk/tp/t/results/menu/formats_in_menu.pl
    trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
    trunk/tp/t/results/menu/menu_pointing_to_anchor.pl
    trunk/tp/t/results/misc_commands/ref_in_center.pl
    trunk/tp/t/results/misc_commands/test_allowcodebreaks.pl
    trunk/tp/t/results/multitable/ref_in_multitable.pl
    trunk/tp/t/results/paragraph/close_paragraph_command.pl
    trunk/tp/t/results/paragraph/image_in_paragraph.pl
    trunk/tp/t/results/paragraph/no_paragraph_commands.pl
    trunk/tp/t/results/paragraph/paragraph_command.pl
    trunk/tp/t/results/plaintext_tests/U_with_utf8_enable_encoding.pl
    trunk/tp/t/results/plaintext_tests/anchor_and_empty_lines.pl
    trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl
    trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl
    trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl
    trunk/tp/t/results/plaintext_tests/long_uref_after_item.pl
    trunk/tp/t/results/plaintext_tests/multiline_image_and_align.pl
    trunk/tp/t/results/plaintext_tests/no_empty_line_after_section.pl
    trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl
    trunk/tp/t/results/plaintext_tests/punctuation_at_end_command.pl
    trunk/tp/t/results/plaintext_tests/punctuation_in_command.pl
    trunk/tp/t/results/plaintext_tests/punctuation_in_command_end_line.pl
    trunk/tp/t/results/plaintext_tests/quote_node_names.pl
    trunk/tp/t/results/preformatted/titlefont_in_example.pl
    trunk/tp/t/results/raw/inline_in_example.pl
    trunk/tp/t/results/raw/inline_missing_first_arg.pl
    trunk/tp/t/results/raw/inlinefmt.pl
    trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl
    trunk/tp/t/results/raw/inlineraw.pl
    trunk/tp/t/results/raw/inlineraw_with_empty_line.pl
    trunk/tp/t/results/regions/anchor_in_copying.pl
    trunk/tp/t/results/regions/anchor_in_copying_in_footnote.pl
    trunk/tp/t/results/regions/anchor_in_titlepage.pl
    trunk/tp/t/results/regions/anchor_in_titlepage_titlepage.pl
    trunk/tp/t/results/regions/ref_in_copying.pl
    trunk/tp/t/results/sectioning/anchor_in_footnote.pl
    trunk/tp/t/results/sectioning/anchor_in_footnote_separate.pl
    trunk/tp/t/results/sectioning/anchor_zero.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
    trunk/tp/t/results/sectioning/double_node_anchor_float.pl
    trunk/tp/t/results/sectioning/double_top.pl
    trunk/tp/t/results/sectioning/email_in_node.pl
    trunk/tp/t/results/sectioning/empty_anchor.pl
    trunk/tp/t/results/sectioning/empty_ref_arg.pl
    trunk/tp/t/results/sectioning/empty_refs.pl
    trunk/tp/t/results/sectioning/equivalent_labels.pl
    trunk/tp/t/results/sectioning/equivalent_nodes.pl
    trunk/tp/t/results/sectioning/no_element.pl
    trunk/tp/t/results/sectioning/nodename_parentheses.pl
    trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
    trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
    trunk/tp/t/results/sectioning/novalidate.pl
    trunk/tp/t/results/sectioning/one_node_explicit_directions_anchor.pl
    trunk/tp/t/results/sectioning/placed_things_before_element.pl
    trunk/tp/t/results/sectioning/placed_things_before_node.pl
    trunk/tp/t/results/sectioning/protected_node_parentheses.pl
    trunk/tp/t/results/sectioning/ref_to_top.pl
    trunk/tp/t/results/sectioning/ref_to_unknown_node.pl
    trunk/tp/t/results/sectioning/unnumbered_before_top_node.pl
    trunk/tp/t/results/test_count/flushright.pl
    trunk/tp/t/results/test_count/flushright_in_example.pl
    trunk/tp/t/results/test_count/multitable.pl
    trunk/tp/t/results/test_count/printindex.pl
    trunk/tp/t/results/value/ignored_value_definition.pl
    trunk/tp/t/results/value/value_in_node.pl
    trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl
    trunk/tp/t/results/xml_tests/commands_and_spaces.pl
    trunk/tp/t/results/xml_tests/image_inline_or_not.pl

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/ChangeLog     2016-03-28 12:12:58 UTC (rev 7074)
@@ -1,5 +1,10 @@
 2016-03-28  Gavin Smith  <address@hidden>
 
+       * tp/Texinfo/Parser.pm (): Always set parent on element of type 
+       'empty_spaces_before_argument'.
+
+2016-03-28  Gavin Smith  <address@hidden>
+
        * tp/Texinfo/Parser.pm (%keep_line_nr_brace_commands): Keep line 
        number for all brace commands.
        (_parse_texi) <open brace separator>: Don't save line number 

Modified: trunk/tp/Texinfo/Parser.pm
===================================================================
--- trunk/tp/Texinfo/Parser.pm  2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/Texinfo/Parser.pm  2016-03-28 12:12:58 UTC (rev 7074)
@@ -5153,7 +5153,8 @@
                        or $simple_text_commands{$command})) {
                 push @{$current->{'contents'}}, 
                   {'type' => 'empty_spaces_before_argument',
-                   'text' => '' };
+                   'text' => '',
+                   'parent' => $current };
                 $current->{'parent'}->{'extra'}->{'spaces_before_argument'}
                    = $current->{'contents'}->[-1];
               }

Modified: trunk/tp/t/results/converters_tests/at_commands_in_raw.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_raw.pl   2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/at_commands_in_raw.pl   2016-03-28 
12:12:58 UTC (rev 7074)
@@ -182,6 +182,7 @@
                     ],
                     'normalized' => 'anchor-in-html',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -450,6 +451,7 @@
                     ],
                     'normalized' => 'anchor-in-tex',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -937,6 +939,7 @@
                     ],
                     'normalized' => 'FF',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1218,6 +1221,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1268,6 +1272,7 @@
                       'normalized' => 'Somewhere'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1620,6 +1625,7 @@
                   'normalized' => 'anchor-in-html'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1676,6 +1682,7 @@
                   'normalized' => 'anchor-in-tex'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1937,6 +1944,7 @@
                 ],
                 'normalized' => 'FF',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2083,6 +2091,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
@@ -2128,6 +2137,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[6];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'contents'}[6]{'args'}[0];
@@ -2220,6 +2230,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
@@ -2266,6 +2277,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[14]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[15]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[16]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
@@ -2273,6 +2285,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[17]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[18]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5]{'contents'}[19]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[7]{'contents'}[5];
@@ -2329,6 +2342,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'extra'}{'label'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'contents'}[3];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16];
 $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[16]{'parent'} = 
$result_trees{'at_commands_in_raw'}{'contents'}[1];
@@ -2337,6 +2351,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[2]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[18]{'contents'}[2];
@@ -2383,6 +2398,7 @@
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27];
 
$result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27];
 $result_trees{'at_commands_in_raw'}{'contents'}[1]{'contents'}[27]{'parent'} = 
$result_trees{'at_commands_in_raw'}{'contents'}[1];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -2635,6 +2635,7 @@
                         ],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2674,6 +2675,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2708,6 +2710,7 @@
                         ],
                         'normalized' => 'BBB',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2808,6 +2811,7 @@
                         ],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2847,6 +2851,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2881,6 +2886,7 @@
                         ],
                         'normalized' => 'DDD',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2990,6 +2996,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3037,6 +3044,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3117,6 +3125,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3206,6 +3215,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3903,6 +3913,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4081,6 +4092,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4258,6 +4270,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4312,6 +4325,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4364,6 +4378,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -9287,6 +9302,7 @@
                 ],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9326,6 +9342,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9360,6 +9377,7 @@
                 ],
                 'normalized' => 'BBB',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9452,6 +9470,7 @@
                 ],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9491,6 +9510,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9525,6 +9545,7 @@
                 ],
                 'normalized' => 'BBB',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9619,6 +9640,7 @@
                 ],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9658,6 +9680,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9692,6 +9715,7 @@
                 ],
                 'normalized' => 'DDD',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9784,6 +9808,7 @@
                 ],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9823,6 +9848,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9857,6 +9883,7 @@
                 ],
                 'normalized' => 'DDD',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9960,6 +9987,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10007,6 +10035,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10106,6 +10135,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10153,6 +10183,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10227,6 +10258,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10316,6 +10348,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10388,6 +10421,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10477,6 +10511,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -11745,6 +11780,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -11824,6 +11860,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12077,6 +12114,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12151,6 +12189,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12403,6 +12442,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12457,6 +12497,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12509,6 +12550,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12583,6 +12625,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12637,6 +12680,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12689,6 +12733,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12770,6 +12815,7 @@
                   'normalized' => '-_007b-_007d'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12923,6 +12969,7 @@
                   'normalized' => '----_0021---_002e--_002e-_003f-_0040'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13065,6 +13112,7 @@
                   'normalized' => '_0040-_007b-_007d-_005c-_0023'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13245,6 +13293,7 @@
                   'normalized' => 
'LaTeX-TeX-_2022-_002c-_00a9-_2026-_002e_002e_002e'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13404,6 +13453,7 @@
                   'normalized' => 
'_2261-error_002d_002d_003e-_20ac-_00a1-_21a6-_2212'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13512,6 +13562,7 @@
                   'normalized' => '_2265-_2264-_2192'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13704,6 +13755,7 @@
                   'normalized' => '_00aa-_00ba-_2605-_00a3-_22a3-_00bf-_00ae'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13842,6 +13894,7 @@
                   'normalized' => '_21d2-_00b0-a-b--_00e5'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14169,6 +14222,7 @@
                   'normalized' => 
'_00c5-_00e6-_0153-_00c6-_0152-_00f8-_00d8-_00df-_0142-_0141-_00d0-_00f0-_00de-_00fe'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14490,6 +14544,7 @@
                   'normalized' => 
'_00e4-_1ebd-_00ee-_00e2-_00e0-_00e9-_00e7-_0113-e_030a-e_030b-_0119'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14698,6 +14753,7 @@
                   'normalized' => '_0117-_0115-e_0332-_1eb9-_011b-j-ee_0361'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14832,6 +14888,7 @@
                   'normalized' => '_0131-_1e14-_1e08'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14991,6 +15048,7 @@
                   'normalized' => '_201c-_201d-_2018-_2019-_201e-_201a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15150,6 +15208,7 @@
                   'normalized' => '_00ab-_00bb-_00ab-_00bb-_2039-_203a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15191,6 +15250,7 @@
                   'normalized' => 
'_0060_0060-_0027_0027-_002d_002d_002d-_002d_002d-_0060-_0027'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15251,6 +15311,7 @@
                         ],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15290,6 +15351,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15324,6 +15386,7 @@
                         ],
                         'normalized' => 'BBB',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15360,6 +15423,7 @@
                   'normalized' => 'AAA-AAA-BBB'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15416,6 +15480,7 @@
                         ],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15455,6 +15520,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15489,6 +15555,7 @@
                         ],
                         'normalized' => 'DDD',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15525,6 +15592,7 @@
                   'normalized' => 'CCC-CCC-DDD'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15590,6 +15658,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15637,6 +15706,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15669,6 +15739,7 @@
                   'normalized' => 
'someone_0040somewher-no_005fexplain_0040there'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15707,6 +15778,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15796,6 +15868,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15828,6 +15901,7 @@
                   'normalized' => 'f_002d_002dile1-f_002d_002dile'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15892,6 +15966,7 @@
                   'normalized' => '-_0040-_007b_007d-_002e-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16203,6 +16278,7 @@
                   'normalized' => 
'cite-asis-in-_0040w-b-in-r-SC-str-t-var-dfn-i'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16436,6 +16512,7 @@
                   'normalized' => 
'env-code-option-samp-command-file-C_002dx-ESC'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16478,6 +16555,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16512,6 +16590,7 @@
                   'normalized' => '8_002e27in'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16597,6 +16676,7 @@
                   'normalized' => 'sansserif-slanted'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16635,6 +16715,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16667,6 +16748,7 @@
                   'normalized' => 'indicateurl'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16752,6 +16834,7 @@
                   'normalized' => 'gH-3rd'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16790,6 +16873,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16844,6 +16928,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16896,6 +16981,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16932,6 +17018,7 @@
                   'normalized' => 
'http_003a_002f_002fsomewhere_005faaa-url-_002fman_002ecgi_002f1_002fls'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -17662,18 +17749,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16];
@@ -17696,18 +17786,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17];
@@ -17734,6 +17827,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -17743,6 +17837,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18];
@@ -17760,6 +17855,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -17777,6 +17873,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[19];
@@ -17946,6 +18043,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[23];
@@ -17981,6 +18079,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[25];
@@ -18015,6 +18114,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -18023,6 +18123,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
@@ -18033,6 +18134,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27];
@@ -19345,18 +19447,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0];
@@ -19378,18 +19483,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0];
@@ -19411,18 +19519,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0];
@@ -19444,18 +19555,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0];
@@ -19481,6 +19595,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19490,6 +19605,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0];
@@ -19513,6 +19629,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19522,6 +19639,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0];
@@ -19538,6 +19656,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19555,6 +19674,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[39]{'args'}[0];
@@ -19571,6 +19691,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19588,6 +19709,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[40]{'args'}[0];
@@ -19901,6 +20023,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0];
 $result_trees{'at_commands_in_refs'}{'contents'}[47]{'args'}[0]{'parent'} = 
$result_trees{'at_commands_in_refs'}{'contents'}[47];
@@ -19916,6 +20039,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0];
 $result_trees{'at_commands_in_refs'}{'contents'}[48]{'args'}[0]{'parent'} = 
$result_trees{'at_commands_in_refs'}{'contents'}[48];
@@ -19968,6 +20092,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0];
 $result_trees{'at_commands_in_refs'}{'contents'}[51]{'args'}[0]{'parent'} = 
$result_trees{'at_commands_in_refs'}{'contents'}[51];
@@ -19981,6 +20106,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0];
 $result_trees{'at_commands_in_refs'}{'contents'}[52]{'args'}[0]{'parent'} = 
$result_trees{'at_commands_in_refs'}{'contents'}[52];
@@ -20032,6 +20158,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -20040,6 +20167,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0];
@@ -20050,6 +20178,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0];
@@ -20068,6 +20197,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -20076,6 +20206,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0];
@@ -20086,6 +20217,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0];
@@ -20108,6 +20240,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1];
 $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[1]{'parent'} 
= $result_trees{'at_commands_in_refs'}{'contents'}[56];
@@ -20165,6 +20298,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[14]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[14];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[15]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[15];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[16]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[16];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -20205,6 +20339,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[6]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[7]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[8];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
@@ -20262,6 +20397,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
@@ -20311,6 +20447,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3]{'contents'}[7]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[3];
@@ -20338,6 +20475,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[5];
@@ -20397,6 +20535,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20438,6 +20577,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[6]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[7]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[8];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20551,6 +20691,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[24]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[24];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[25]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[25];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[26]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[26];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20654,6 +20795,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[18]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[18];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[19]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[19];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[20]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[20];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[7]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20718,6 +20860,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[9]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20752,6 +20895,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[11]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20801,6 +20945,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[13]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20850,6 +20995,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[15]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20858,6 +21004,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[31];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -20866,18 +21013,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18];
@@ -20892,6 +21042,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20901,18 +21052,21 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20];
@@ -20927,6 +21081,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[21]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -20940,6 +21095,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -20949,6 +21105,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22];
@@ -20959,12 +21116,14 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[23]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -20982,6 +21141,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24];
@@ -20992,6 +21152,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[25]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -21002,6 +21163,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[41];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[27]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -21094,6 +21256,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[14]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[14];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[15]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[15];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[16]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[16];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[29]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -21162,6 +21325,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[31]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -21169,6 +21333,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[0];
@@ -21176,6 +21341,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[47];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[33]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -21195,17 +21361,20 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[35]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[51];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[37]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
@@ -21225,12 +21394,14 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[39]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -21239,6 +21410,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
@@ -21249,6 +21421,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40];
@@ -21263,6 +21436,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[41]{'parent'}
 = $result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -2722,6 +2722,7 @@
                         ],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2761,6 +2762,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2795,6 +2797,7 @@
                         ],
                         'normalized' => 'BBB',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2895,6 +2898,7 @@
                         ],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2934,6 +2938,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2968,6 +2973,7 @@
                         ],
                         'normalized' => 'DDD',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3077,6 +3083,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3124,6 +3131,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3204,6 +3212,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3293,6 +3302,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3990,6 +4000,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4168,6 +4179,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4345,6 +4357,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4399,6 +4412,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4451,6 +4465,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -9374,6 +9389,7 @@
                 ],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9413,6 +9429,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9447,6 +9464,7 @@
                 ],
                 'normalized' => 'BBB',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9539,6 +9557,7 @@
                 ],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9578,6 +9597,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9612,6 +9632,7 @@
                 ],
                 'normalized' => 'BBB',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9706,6 +9727,7 @@
                 ],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9745,6 +9767,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9779,6 +9802,7 @@
                 ],
                 'normalized' => 'DDD',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9871,6 +9895,7 @@
                 ],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9910,6 +9935,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9944,6 +9970,7 @@
                 ],
                 'normalized' => 'DDD',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10047,6 +10074,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10094,6 +10122,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10193,6 +10222,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10240,6 +10270,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10314,6 +10345,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10403,6 +10435,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10475,6 +10508,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10564,6 +10598,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -11832,6 +11867,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -11911,6 +11947,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12164,6 +12201,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12238,6 +12276,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12490,6 +12529,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12544,6 +12584,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12596,6 +12637,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12670,6 +12712,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12724,6 +12767,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12776,6 +12820,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12857,6 +12902,7 @@
                   'normalized' => '-_007b-_007d'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13010,6 +13056,7 @@
                   'normalized' => '----_0021---_002e--_002e-_003f-_0040'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13152,6 +13199,7 @@
                   'normalized' => '_0040-_007b-_007d-_005c-_0023'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13332,6 +13380,7 @@
                   'normalized' => 
'LaTeX-TeX-_2022-_002c-_00a9-_2026-_002e_002e_002e'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13491,6 +13540,7 @@
                   'normalized' => 
'_2261-error_002d_002d_003e-_20ac-_00a1-_21a6-_2212'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13599,6 +13649,7 @@
                   'normalized' => '_2265-_2264-_2192'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13791,6 +13842,7 @@
                   'normalized' => '_00aa-_00ba-_2605-_00a3-_22a3-_00bf-_00ae'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13929,6 +13981,7 @@
                   'normalized' => '_21d2-_00b0-a-b--_00e5'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14256,6 +14309,7 @@
                   'normalized' => 
'_00c5-_00e6-_0153-_00c6-_0152-_00f8-_00d8-_00df-_0142-_0141-_00d0-_00f0-_00de-_00fe'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14577,6 +14631,7 @@
                   'normalized' => 
'_00e4-_1ebd-_00ee-_00e2-_00e0-_00e9-_00e7-_0113-e_030a-e_030b-_0119'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14785,6 +14840,7 @@
                   'normalized' => '_0117-_0115-e_0332-_1eb9-_011b-j-ee_0361'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14919,6 +14975,7 @@
                   'normalized' => '_0131-_1e14-_1e08'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15078,6 +15135,7 @@
                   'normalized' => '_201c-_201d-_2018-_2019-_201e-_201a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15237,6 +15295,7 @@
                   'normalized' => '_00ab-_00bb-_00ab-_00bb-_2039-_203a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15278,6 +15337,7 @@
                   'normalized' => 
'_0060_0060-_0027_0027-_002d_002d_002d-_002d_002d-_0060-_0027'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15338,6 +15398,7 @@
                         ],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15377,6 +15438,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15411,6 +15473,7 @@
                         ],
                         'normalized' => 'BBB',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15447,6 +15510,7 @@
                   'normalized' => 'AAA-AAA-BBB'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15503,6 +15567,7 @@
                         ],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15542,6 +15607,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15576,6 +15642,7 @@
                         ],
                         'normalized' => 'DDD',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15612,6 +15679,7 @@
                   'normalized' => 'CCC-CCC-DDD'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15677,6 +15745,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15724,6 +15793,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15756,6 +15826,7 @@
                   'normalized' => 
'someone_0040somewher-no_005fexplain_0040there'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15794,6 +15865,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15883,6 +15955,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15915,6 +15988,7 @@
                   'normalized' => 'f_002d_002dile1-f_002d_002dile'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15979,6 +16053,7 @@
                   'normalized' => '-_0040-_007b_007d-_002e-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16290,6 +16365,7 @@
                   'normalized' => 
'cite-asis-in-_0040w-b-in-r-SC-str-t-var-dfn-i'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16523,6 +16599,7 @@
                   'normalized' => 
'env-code-option-samp-command-file-C_002dx-ESC'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16565,6 +16642,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16599,6 +16677,7 @@
                   'normalized' => '8_002e27in'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16684,6 +16763,7 @@
                   'normalized' => 'sansserif-slanted'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16722,6 +16802,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16754,6 +16835,7 @@
                   'normalized' => 'indicateurl'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16839,6 +16921,7 @@
                   'normalized' => 'gH-3rd'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16877,6 +16960,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16931,6 +17015,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16983,6 +17068,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -17019,6 +17105,7 @@
                   'normalized' => 
'http_003a_002f_002fsomewhere_005faaa-url-_002fman_002ecgi_002f1_002fls'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -17764,18 +17851,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16];
@@ -17798,18 +17888,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17];
@@ -17836,6 +17929,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -17845,6 +17939,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18];
@@ -17862,6 +17957,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -17879,6 +17975,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[19];
@@ -18048,6 +18145,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[23];
@@ -18083,6 +18181,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[25];
@@ -18117,6 +18216,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -18125,6 +18225,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
@@ -18135,6 +18236,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27];
@@ -19447,18 +19549,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0];
@@ -19480,18 +19585,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0];
@@ -19513,18 +19621,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0];
@@ -19546,18 +19657,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0];
@@ -19583,6 +19697,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19592,6 +19707,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0];
@@ -19615,6 +19731,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19624,6 +19741,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0];
@@ -19640,6 +19758,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19657,6 +19776,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[39]{'args'}[0];
@@ -19673,6 +19793,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19690,6 +19811,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[40]{'args'}[0];
@@ -20003,6 +20125,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[47]{'args'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[47];
@@ -20018,6 +20141,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[48]{'args'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[48];
@@ -20070,6 +20194,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[51]{'args'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[51];
@@ -20083,6 +20208,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[52]{'args'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[52];
@@ -20134,6 +20260,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -20142,6 +20269,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0];
@@ -20152,6 +20280,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0];
@@ -20170,6 +20299,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -20178,6 +20308,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0];
@@ -20188,6 +20319,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0];
@@ -20210,6 +20342,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56];
@@ -20267,6 +20400,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[14]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[14];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[15]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[15];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[16]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[16];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -20307,6 +20441,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[6]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[7]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[8];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
@@ -20364,6 +20499,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
@@ -20413,6 +20549,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3]{'contents'}[7]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[3];
@@ -20440,6 +20577,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[5];
@@ -20499,6 +20637,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20540,6 +20679,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[6]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[7]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[8];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20653,6 +20793,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[24]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[24];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[25]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[25];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[26]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[26];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20756,6 +20897,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[18]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[18];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[19]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[19];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[20]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[20];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[7]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20820,6 +20962,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[9]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20854,6 +20997,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[11]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20903,6 +21047,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[13]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20952,6 +21097,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[15]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -20960,6 +21106,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[31];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -20968,18 +21115,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18];
@@ -20994,6 +21144,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21003,18 +21154,21 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20];
@@ -21029,6 +21183,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[21]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21042,6 +21197,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -21051,6 +21207,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22];
@@ -21061,12 +21218,14 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[23]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -21084,6 +21243,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24];
@@ -21094,6 +21254,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[25]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21104,6 +21265,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[41];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[27]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21196,6 +21358,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[14]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[14];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[15]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[15];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[16]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[16];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[29]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21264,6 +21427,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[31]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21271,6 +21435,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[0];
@@ -21278,6 +21443,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[47];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[33]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21297,17 +21463,20 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[35]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[51];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[37]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
@@ -21327,12 +21496,14 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[39]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -21341,6 +21512,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
@@ -21351,6 +21523,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40];
@@ -21365,6 +21538,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[41]{'parent'}
 = $result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl     
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl     
2016-03-28 12:12:58 UTC (rev 7074)
@@ -2722,6 +2722,7 @@
                         ],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2761,6 +2762,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2795,6 +2797,7 @@
                         ],
                         'normalized' => 'BBB',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2895,6 +2898,7 @@
                         ],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2934,6 +2938,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2968,6 +2973,7 @@
                         ],
                         'normalized' => 'DDD',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3077,6 +3083,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3124,6 +3131,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3204,6 +3212,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3293,6 +3302,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3990,6 +4000,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4168,6 +4179,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4345,6 +4357,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4399,6 +4412,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -4451,6 +4465,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -9374,6 +9389,7 @@
                 ],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9413,6 +9429,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9447,6 +9464,7 @@
                 ],
                 'normalized' => 'BBB',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9539,6 +9557,7 @@
                 ],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9578,6 +9597,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'AAA',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9612,6 +9632,7 @@
                 ],
                 'normalized' => 'BBB',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9706,6 +9727,7 @@
                 ],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9745,6 +9767,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9779,6 +9802,7 @@
                 ],
                 'normalized' => 'DDD',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9871,6 +9895,7 @@
                 ],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9910,6 +9935,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'CCC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -9944,6 +9970,7 @@
                 ],
                 'normalized' => 'DDD',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10047,6 +10074,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10094,6 +10122,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10193,6 +10222,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10240,6 +10270,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10314,6 +10345,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10403,6 +10435,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10475,6 +10508,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -10564,6 +10598,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -11832,6 +11867,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -11911,6 +11947,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12164,6 +12201,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12238,6 +12276,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12490,6 +12529,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12544,6 +12584,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12596,6 +12637,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12670,6 +12712,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12724,6 +12767,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12776,6 +12820,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -12857,6 +12902,7 @@
                   'normalized' => '-_007b-_007d'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13010,6 +13056,7 @@
                   'normalized' => '----_0021---_002e--_002e-_003f-_0040'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13152,6 +13199,7 @@
                   'normalized' => '_0040-_007b-_007d-_005c-_0023'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13332,6 +13380,7 @@
                   'normalized' => 
'LaTeX-TeX-_2022-_002c-_00a9-_2026-_002e_002e_002e'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13491,6 +13540,7 @@
                   'normalized' => 
'_2261-error_002d_002d_003e-_20ac-_00a1-_21a6-_2212'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13599,6 +13649,7 @@
                   'normalized' => '_2265-_2264-_2192'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13791,6 +13842,7 @@
                   'normalized' => '_00aa-_00ba-_2605-_00a3-_22a3-_00bf-_00ae'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -13929,6 +13981,7 @@
                   'normalized' => '_21d2-_00b0-a-b--_00e5'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14256,6 +14309,7 @@
                   'normalized' => 
'_00c5-_00e6-_0153-_00c6-_0152-_00f8-_00d8-_00df-_0142-_0141-_00d0-_00f0-_00de-_00fe'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14577,6 +14631,7 @@
                   'normalized' => 
'_00e4-_1ebd-_00ee-_00e2-_00e0-_00e9-_00e7-_0113-e_030a-e_030b-_0119'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14785,6 +14840,7 @@
                   'normalized' => '_0117-_0115-e_0332-_1eb9-_011b-j-ee_0361'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -14919,6 +14975,7 @@
                   'normalized' => '_0131-_1e14-_1e08'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15078,6 +15135,7 @@
                   'normalized' => '_201c-_201d-_2018-_2019-_201e-_201a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15237,6 +15295,7 @@
                   'normalized' => '_00ab-_00bb-_00ab-_00bb-_2039-_203a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15278,6 +15337,7 @@
                   'normalized' => 
'_0060_0060-_0027_0027-_002d_002d_002d-_002d_002d-_0060-_0027'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15338,6 +15398,7 @@
                         ],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15377,6 +15438,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'AAA',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15411,6 +15473,7 @@
                         ],
                         'normalized' => 'BBB',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15447,6 +15510,7 @@
                   'normalized' => 'AAA-AAA-BBB'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15503,6 +15567,7 @@
                         ],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15542,6 +15607,7 @@
                         'explanation_contents' => [],
                         'normalized' => 'CCC',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15576,6 +15642,7 @@
                         ],
                         'normalized' => 'DDD',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15612,6 +15679,7 @@
                   'normalized' => 'CCC-CCC-DDD'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15677,6 +15745,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15724,6 +15793,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15756,6 +15826,7 @@
                   'normalized' => 
'someone_0040somewher-no_005fexplain_0040there'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15794,6 +15865,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15883,6 +15955,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -15915,6 +15988,7 @@
                   'normalized' => 'f_002d_002dile1-f_002d_002dile'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -15979,6 +16053,7 @@
                   'normalized' => '-_0040-_007b_007d-_002e-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16290,6 +16365,7 @@
                   'normalized' => 
'cite-asis-in-_0040w-b-in-r-SC-str-t-var-dfn-i'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16523,6 +16599,7 @@
                   'normalized' => 
'env-code-option-samp-command-file-C_002dx-ESC'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16565,6 +16642,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16599,6 +16677,7 @@
                   'normalized' => '8_002e27in'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16684,6 +16763,7 @@
                   'normalized' => 'sansserif-slanted'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16722,6 +16802,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16754,6 +16835,7 @@
                   'normalized' => 'indicateurl'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16839,6 +16921,7 @@
                   'normalized' => 'gH-3rd'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -16877,6 +16960,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16931,6 +17015,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -16983,6 +17068,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -17019,6 +17105,7 @@
                   'normalized' => 
'http_003a_002f_002fsomewhere_005faaa-url-_002fman_002ecgi_002f1_002fls'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -17764,18 +17851,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16];
@@ -17798,18 +17888,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17];
@@ -17836,6 +17929,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -17845,6 +17939,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18];
@@ -17862,6 +17957,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -17879,6 +17975,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[19];
@@ -18048,6 +18145,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[23];
@@ -18083,6 +18181,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[25];
@@ -18117,6 +18216,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
@@ -18125,6 +18225,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
@@ -18135,6 +18236,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27];
@@ -19447,18 +19549,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0];
@@ -19480,18 +19585,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0];
@@ -19513,18 +19621,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0];
@@ -19546,18 +19657,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0];
@@ -19583,6 +19697,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19592,6 +19707,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0];
@@ -19615,6 +19731,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19624,6 +19741,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0];
@@ -19640,6 +19758,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19657,6 +19776,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[39]{'args'}[0];
@@ -19673,6 +19793,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -19690,6 +19811,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[40]{'args'}[0];
@@ -20003,6 +20125,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0];
 $result_trees{'at_commands_in_refs_utf8'}{'contents'}[47]{'args'}[0]{'parent'} 
= $result_trees{'at_commands_in_refs_utf8'}{'contents'}[47];
@@ -20018,6 +20141,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0];
 $result_trees{'at_commands_in_refs_utf8'}{'contents'}[48]{'args'}[0]{'parent'} 
= $result_trees{'at_commands_in_refs_utf8'}{'contents'}[48];
@@ -20070,6 +20194,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0];
 $result_trees{'at_commands_in_refs_utf8'}{'contents'}[51]{'args'}[0]{'parent'} 
= $result_trees{'at_commands_in_refs_utf8'}{'contents'}[51];
@@ -20083,6 +20208,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0];
 $result_trees{'at_commands_in_refs_utf8'}{'contents'}[52]{'args'}[0]{'parent'} 
= $result_trees{'at_commands_in_refs_utf8'}{'contents'}[52];
@@ -20134,6 +20260,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -20142,6 +20269,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0];
@@ -20152,6 +20280,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0];
@@ -20170,6 +20299,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -20178,6 +20308,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0];
@@ -20188,6 +20319,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0];
@@ -20210,6 +20342,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56];
@@ -20267,6 +20400,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[14]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[14];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[15]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[15];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[16]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[16];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0];
@@ -20307,6 +20441,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[6]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[7]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[8];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
@@ -20364,6 +20499,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
@@ -20413,6 +20549,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3]{'contents'}[7]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[3];
@@ -20440,6 +20577,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[5];
@@ -20499,6 +20637,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[0]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20540,6 +20679,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[6]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[7]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[8];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20653,6 +20793,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[24]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[24];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[25]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[25];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[26]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[26];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[4]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[5]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20756,6 +20897,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[18]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[18];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[19]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[19];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[20]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[20];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[6]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[7]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20820,6 +20962,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[8]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[9]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20854,6 +20997,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[10]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[11]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20903,6 +21047,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[12]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[13]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20952,6 +21097,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[8]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[8];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[9]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[9];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[10];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[14]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[15]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -20960,6 +21106,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[31];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[16]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -20968,18 +21115,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18];
@@ -20994,6 +21144,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21003,18 +21154,21 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20];
@@ -21029,6 +21183,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[21]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21042,6 +21197,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -21051,6 +21207,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22];
@@ -21061,12 +21218,14 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[23]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -21084,6 +21243,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24];
@@ -21094,6 +21254,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[24]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[25]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21104,6 +21265,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[41];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[26]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[27]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21196,6 +21358,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[14]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[14];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[15]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[15];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'node_argument'}{'node_content'}[16]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[16];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[28]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[29]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21264,6 +21427,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[10]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[10];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[11];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[12];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[30]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[31]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21271,6 +21435,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[0];
@@ -21278,6 +21443,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[47];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[32]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[33]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21297,17 +21463,20 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[34]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[35]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'label'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[51];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[36]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[37]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
@@ -21327,12 +21496,14 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[2];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[38]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[39]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
@@ -21341,6 +21512,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
@@ -21351,6 +21523,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40];
@@ -21365,6 +21538,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[3]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'node_argument'}{'node_content'}[4]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[4];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'line_nr'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[41]{'parent'}
 = $result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7];

Modified: trunk/tp/t/results/converters_tests/char_latin1_latin1_in_refs.pl
===================================================================
--- trunk/tp/t/results/converters_tests/char_latin1_latin1_in_refs.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/char_latin1_latin1_in_refs.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -1144,6 +1144,7 @@
                   'normalized' => 
'_00e4-_00eb-_00ef-_00f6-_00fc-_00ff-_00c4-_00cb-_00cf-_00d6-_00dc'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1189,6 +1190,7 @@
                   'normalized' => '_00e9'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1234,6 +1236,7 @@
                   'normalized' => '_00e0-_00e8-_00f9'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1279,6 +1282,7 @@
                   'normalized' => 
'_00e2-_00ea-_00ee-_00f4-_00fb-_00c2-_00ca-_00ce-_00d4-_00db'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1324,6 +1328,7 @@
                   'normalized' => '_00e7'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1918,6 +1923,7 @@
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[3];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -1925,6 +1931,7 @@
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[5];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0];
@@ -1932,6 +1939,7 @@
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[7];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0];
@@ -1939,6 +1947,7 @@
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'label'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[9];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0];
@@ -1946,6 +1955,7 @@
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'label'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[11];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[9]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12]{'contents'}[1]{'parent'}
 = $result_trees{'char_latin1_latin1_in_refs'}{'contents'}[12];

Modified: trunk/tp/t/results/converters_tests/char_latin1_utf8_in_refs.pl
===================================================================
--- trunk/tp/t/results/converters_tests/char_latin1_utf8_in_refs.pl     
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/char_latin1_utf8_in_refs.pl     
2016-03-28 12:12:58 UTC (rev 7074)
@@ -1144,6 +1144,7 @@
                   'normalized' => 
'_00e4-_00eb-_00ef-_00f6-_00fc-_00ff-_00c4-_00cb-_00cf-_00d6-_00dc'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1189,6 +1190,7 @@
                   'normalized' => '_00e9'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1234,6 +1236,7 @@
                   'normalized' => '_00e0-_00e8-_00f9'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1279,6 +1282,7 @@
                   'normalized' => 
'_00e2-_00ea-_00ee-_00f4-_00fb-_00c2-_00ca-_00ce-_00d4-_00db'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1324,6 +1328,7 @@
                   'normalized' => '_00e7'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1918,6 +1923,7 @@
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[3];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -1925,6 +1931,7 @@
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[5];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0];
@@ -1932,6 +1939,7 @@
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[7];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0];
@@ -1939,6 +1947,7 @@
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'label'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[9];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0];
@@ -1946,6 +1955,7 @@
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'label'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[11];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'args'}[0];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[8]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'contents'}[9]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12]{'contents'}[1]{'parent'}
 = $result_trees{'char_latin1_utf8_in_refs'}{'contents'}[12];

Modified: trunk/tp/t/results/converters_tests/char_latin2_latin2_in_refs.pl
===================================================================
--- trunk/tp/t/results/converters_tests/char_latin2_latin2_in_refs.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/char_latin2_latin2_in_refs.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -285,6 +285,7 @@
                   'normalized' => '_0104-_0105-_02db-_0118-_0119'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -694,6 +695,7 @@
 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}
 = $result_trees{'char_latin2_latin2_in_refs'};
 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'char_latin2_latin2_in_refs'}{'contents'}[2];

Modified: trunk/tp/t/results/converters_tests/image_extension.pl
===================================================================
--- trunk/tp/t/results/converters_tests/image_extension.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/image_extension.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -60,6 +60,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -88,6 +89,7 @@
 $result_trees{'image_extension'}{'contents'}[0]{'args'}[4]{'parent'} = 
$result_trees{'image_extension'}{'contents'}[0];
 
$result_trees{'image_extension'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = $result_trees{'image_extension'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_extension'}{'contents'}[0]{'extra'}{'brace_command_contents'}[4][0]
 = $result_trees{'image_extension'}{'contents'}[0]{'args'}[4]{'contents'}[0];
+$result_trees{'image_extension'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_extension'}{'contents'}[0]{'args'}[0];
 $result_trees{'image_extension'}{'contents'}[0]{'parent'} = 
$result_trees{'image_extension'};
 $result_trees{'image_extension'}{'contents'}[1]{'parent'} = 
$result_trees{'image_extension'};
 

Modified: trunk/tp/t/results/converters_tests/image_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/image_formatting.pl     2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/image_formatting.pl     2016-03-28 
12:12:58 UTC (rev 7074)
@@ -113,6 +113,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -202,6 +203,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -297,6 +299,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -398,6 +401,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -505,6 +509,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -633,6 +638,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -741,6 +747,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -977,6 +984,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1011,6 +1019,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1048,6 +1057,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1148,6 +1158,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1237,6 +1248,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1332,6 +1344,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1433,6 +1446,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1540,6 +1554,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1668,6 +1683,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1776,6 +1792,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -2012,6 +2029,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -2046,6 +2064,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -2083,6 +2102,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -2205,6 +2225,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2281,6 +2302,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2343,6 +2365,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2360,6 +2383,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2378,6 +2402,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[2]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[2]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[11]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2397,6 +2422,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[3]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[3]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[12]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[15]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2417,6 +2443,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[4]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[4]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[16]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[19]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2443,6 +2470,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[2]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[4]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[20]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[23]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2464,6 +2492,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[1]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[3]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[24]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[27]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2519,17 +2548,20 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[4]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[4][1]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[4]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[4][2]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[4]{'contents'}[2];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[28]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[31]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'args'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'args'}[0]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[33]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1]{'contents'}[35]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[1];
@@ -2548,6 +2580,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2565,6 +2598,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[4]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[6]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[7]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2583,6 +2617,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'args'}[2]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'args'}[2]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[8]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[10]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[11]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2602,6 +2637,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'args'}[3]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'args'}[3]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[12]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[14]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[15]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2622,6 +2658,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'args'}[4]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'args'}[4]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[16]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[18]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[19]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2648,6 +2685,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'args'}[2]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'args'}[4]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[20]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[22]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[23]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2669,6 +2707,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'args'}[1]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'args'}[3]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[24]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[26]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[27]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2724,17 +2763,20 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'args'}[4]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[4][1]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'args'}[4]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[4][2]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'args'}[4]{'contents'}[2];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[28]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[30]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[31]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'args'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'args'}[0]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[33]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'args'}[0]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'args'}[0]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[32]{'line_nr'};
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[34]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[35]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
@@ -2759,6 +2801,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[3]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'image_formatting'}{'contents'}[1];
 $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'image_formatting'}{'contents'}[1];
 $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[7]{'parent'} = 
$result_trees{'image_formatting'}{'contents'}[1];
@@ -2771,6 +2814,7 @@
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[1]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8];
 
$result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'contents'}[2]{'parent'}
 = $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8];
 $result_trees{'image_formatting'}{'contents'}[1]{'contents'}[8]{'parent'} = 
$result_trees{'image_formatting'}{'contents'}[1];

Modified: trunk/tp/t/results/converters_tests/image_with_spaces.pl
===================================================================
--- trunk/tp/t/results/converters_tests/image_with_spaces.pl    2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/image_with_spaces.pl    2016-03-28 
12:12:58 UTC (rev 7074)
@@ -54,6 +54,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -119,6 +120,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -150,6 +152,7 @@
 $result_trees{'image_with_spaces'}{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'image_with_spaces'}{'contents'}[0];
 
$result_trees{'image_with_spaces'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = $result_trees{'image_with_spaces'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_with_spaces'}{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = $result_trees{'image_with_spaces'}{'contents'}[0]{'args'}[3]{'contents'}[0];
+$result_trees{'image_with_spaces'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_with_spaces'}{'contents'}[0]{'args'}[0];
 $result_trees{'image_with_spaces'}{'contents'}[0]{'parent'} = 
$result_trees{'image_with_spaces'};
 $result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'image_with_spaces'}{'contents'}[1];
 
$result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[0];
@@ -160,6 +163,7 @@
 
$result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 $result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'image_with_spaces'}{'contents'}[1];
 $result_trees{'image_with_spaces'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'image_with_spaces'}{'contents'}[1];
 $result_trees{'image_with_spaces'}{'contents'}[1]{'parent'} = 
$result_trees{'image_with_spaces'};

Modified: trunk/tp/t/results/converters_tests/inline.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline.pl       2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/converters_tests/inline.pl       2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -55,6 +55,7 @@
             ],
             'format' => 'html',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -111,6 +112,7 @@
             ],
             'format' => 'plaintext',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -167,6 +169,7 @@
             ],
             'format' => 'xml',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -223,6 +226,7 @@
             ],
             'format' => 'docbook',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -329,6 +333,7 @@
             ],
             'format' => 'tex',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -399,6 +404,7 @@
             ],
             'format' => 'html',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -455,6 +461,7 @@
             ],
             'format' => 'plaintext',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -511,6 +518,7 @@
             ],
             'format' => 'xml',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -567,6 +575,7 @@
             ],
             'format' => 'docbook',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -673,6 +682,7 @@
             ],
             'format' => 'tex',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -699,6 +709,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -707,6 +718,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0];
@@ -715,6 +727,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0];
@@ -723,6 +736,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[7]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[0];
@@ -743,6 +757,7 @@
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[3];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'line_nr'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'inline'}{'contents'}[1]{'contents'}[8]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[9]{'parent'} = 
$result_trees{'inline'}{'contents'}[1];
@@ -755,6 +770,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0];
@@ -763,6 +779,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[3]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0];
@@ -771,6 +788,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[5]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0];
@@ -779,6 +797,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[7]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[0];
@@ -799,6 +818,7 @@
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[3];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'line_nr'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'inline'}{'contents'}[4]{'contents'}[8]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[9]{'parent'} = 
$result_trees{'inline'}{'contents'}[4];

Modified: trunk/tp/t/results/converters_tests/inline_expand_tex.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2016-03-28 
12:12:58 UTC (rev 7074)
@@ -55,6 +55,7 @@
             ],
             'format' => 'html',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -111,6 +112,7 @@
             ],
             'format' => 'plaintext',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -167,6 +169,7 @@
             ],
             'format' => 'xml',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -223,6 +226,7 @@
             ],
             'format' => 'docbook',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -303,6 +307,7 @@
             'expand_index' => 1,
             'format' => 'tex',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -373,6 +378,7 @@
             ],
             'format' => 'html',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -429,6 +435,7 @@
             ],
             'format' => 'plaintext',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -485,6 +492,7 @@
             ],
             'format' => 'xml',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -541,6 +549,7 @@
             ],
             'format' => 'docbook',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -648,6 +657,7 @@
             'expand_index' => 1,
             'format' => 'tex',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -674,6 +684,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -682,6 +693,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0];
@@ -690,6 +702,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0];
@@ -698,6 +711,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[7]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0];
@@ -710,6 +724,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'line_nr'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'line_nr'};
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
 $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[9]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[1];
@@ -722,6 +737,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[0]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0];
@@ -730,6 +746,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[2]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[3]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0];
@@ -738,6 +755,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[4]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[5]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0];
@@ -746,6 +764,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[6]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[7]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0];
@@ -766,6 +785,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[3];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'line_nr'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];
 $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[9]{'parent'} = 
$result_trees{'inline_expand_tex'}{'contents'}[4];

Modified: trunk/tp/t/results/converters_tests/inlinefmtifelse.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -52,6 +52,7 @@
             'expand_index' => 2,
             'format' => 'html',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -118,6 +119,7 @@
             'expand_index' => 2,
             'format' => 'html',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -182,6 +184,7 @@
             ],
             'format' => 'plaintext',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -248,6 +251,7 @@
             'expand_index' => 2,
             'format' => 'plaintext',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -319,6 +323,7 @@
             'expand_index' => 2,
             'format' => 'xml',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -352,6 +357,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -449,6 +455,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -591,6 +598,7 @@
             'expand_index' => 2,
             'format' => 'docbook',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -669,6 +677,7 @@
             'expand_index' => 2,
             'format' => 'tex',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -699,6 +708,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'args'}[0];
@@ -710,6 +720,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[0]{'parent'} = 
$result_trees{'inlinefmtifelse'};
@@ -720,6 +731,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[2];
 $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'args'}[0];
@@ -731,6 +743,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'args'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[2];
 $result_trees{'inlinefmtifelse'}{'contents'}[2]{'contents'}[3]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[2];
 $result_trees{'inlinefmtifelse'}{'contents'}[2]{'parent'} = 
$result_trees{'inlinefmtifelse'};
@@ -742,10 +755,12 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[0]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[4];
 $result_trees{'inlinefmtifelse'}{'contents'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[4];
 $result_trees{'inlinefmtifelse'}{'contents'}[4]{'parent'} = 
$result_trees{'inlinefmtifelse'};
 $result_trees{'inlinefmtifelse'}{'contents'}[5]{'parent'} = 
$result_trees{'inlinefmtifelse'};
+$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
@@ -762,6 +777,7 @@
 $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[1]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[6];
 $result_trees{'inlinefmtifelse'}{'contents'}[6]{'parent'} = 
$result_trees{'inlinefmtifelse'};
 $result_trees{'inlinefmtifelse'}{'contents'}[7]{'parent'} = 
$result_trees{'inlinefmtifelse'};
+$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
@@ -787,6 +803,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'args'}[2]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'args'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[0]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[10];
 $result_trees{'inlinefmtifelse'}{'contents'}[10]{'contents'}[1]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[10];
 $result_trees{'inlinefmtifelse'}{'contents'}[10]{'parent'} = 
$result_trees{'inlinefmtifelse'};
@@ -800,6 +817,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'args'}[2]{'contents'}[0];
+$result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'args'}[0];
 $result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[0]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[12];
 $result_trees{'inlinefmtifelse'}{'contents'}[12]{'contents'}[1]{'parent'} = 
$result_trees{'inlinefmtifelse'}{'contents'}[12];
 $result_trees{'inlinefmtifelse'}{'contents'}[12]{'parent'} = 
$result_trees{'inlinefmtifelse'};

Modified: trunk/tp/t/results/converters_tests/inlineifsetifclear.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2016-03-28 
12:12:58 UTC (rev 7074)
@@ -50,6 +50,7 @@
             'expand_index' => 1,
             'format' => 'aaa',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -118,6 +119,7 @@
             ],
             'format' => 'aaa',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -216,6 +218,7 @@
             ],
             'format' => 'aaa',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -285,6 +288,7 @@
             'expand_index' => 1,
             'format' => 'aaa',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -314,6 +318,7 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[0];
 $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[0];
 $result_trees{'inlineifsetifclear'}{'contents'}[0]{'parent'} = 
$result_trees{'inlineifsetifclear'};
@@ -324,6 +329,7 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[2];
 $result_trees{'inlineifsetifclear'}{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[2];
 $result_trees{'inlineifsetifclear'}{'contents'}[2]{'parent'} = 
$result_trees{'inlineifsetifclear'};
@@ -338,6 +344,7 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[0]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[6];
 $result_trees{'inlineifsetifclear'}{'contents'}[6]{'contents'}[1]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[6];
 $result_trees{'inlineifsetifclear'}{'contents'}[6]{'parent'} = 
$result_trees{'inlineifsetifclear'};
@@ -348,6 +355,7 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[8];
 $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[1]{'parent'} = 
$result_trees{'inlineifsetifclear'}{'contents'}[8];
 $result_trees{'inlineifsetifclear'}{'contents'}[8]{'parent'} = 
$result_trees{'inlineifsetifclear'};

Modified: trunk/tp/t/results/converters_tests/ref_error_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2016-03-28 
12:12:58 UTC (rev 7074)
@@ -85,6 +85,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -179,6 +180,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -267,6 +269,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -361,6 +364,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -461,6 +465,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -556,6 +561,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -657,6 +663,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -764,6 +771,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -877,6 +885,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -991,6 +1000,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1105,6 +1115,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1225,6 +1236,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1346,6 +1358,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1473,6 +1486,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1615,6 +1629,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1729,6 +1744,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1849,6 +1865,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1984,6 +2001,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2104,6 +2122,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2205,6 +2224,7 @@
               undef
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2306,6 +2326,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2413,6 +2434,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2521,6 +2543,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2635,6 +2658,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2764,6 +2788,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2865,6 +2890,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -2972,6 +2998,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3094,6 +3121,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3201,6 +3229,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3300,6 +3329,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3388,6 +3418,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3487,6 +3518,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3552,6 +3584,7 @@
               undef
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3680,6 +3713,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3762,6 +3796,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3861,6 +3896,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3962,6 +3998,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -3994,6 +4031,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 $result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[1];
 $result_trees{'ref_error_formatting'}{'contents'}[1]{'contents'}[3]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[1];
@@ -4011,6 +4049,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'args'}[0];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[0]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[2]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[3]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4027,6 +4066,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'args'}[2]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'args'}[0];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[4]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[6]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[7]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4044,6 +4084,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'args'}[3]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[8]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[10]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[11]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4062,6 +4103,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'args'}[4]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[12]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[14]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[15]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4080,6 +4122,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[16]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[18]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[19]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4099,6 +4142,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[20]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[22]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[23]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4119,6 +4163,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[24]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[26]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[27]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4140,6 +4185,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[28]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[30]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[31]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4162,6 +4208,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[32]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[34]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[35]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4184,6 +4231,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[36]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[38]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[39]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4207,6 +4255,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[40]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[42]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[43]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4231,6 +4280,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[44]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[46]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[47]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4256,6 +4306,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[48]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[50]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[51]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4283,6 +4334,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[52]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[55]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4305,6 +4357,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[56]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[58]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[59]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4328,6 +4381,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[60]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[62]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[63]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4353,6 +4407,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[64]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[67]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4376,6 +4431,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[68]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[70]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[71]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4395,6 +4451,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'args'}[2]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[72]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[74]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[75]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4414,6 +4471,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'args'}[3]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[76]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[78]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[79]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4434,6 +4492,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'args'}[4]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[80]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[82]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[83]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4455,6 +4514,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'args'}[3]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[84]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[86]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[87]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4477,6 +4537,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'args'}[4]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[88]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[90]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[91]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4501,6 +4562,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'contents'}[1];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[92]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[95]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4520,6 +4582,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'args'}[3]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[96]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[98]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[99]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4540,6 +4603,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'args'}[4]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'line_nr'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[100]{'line_nr'};
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[102]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[103]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4562,6 +4626,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'contents'}[1];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'line_nr'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[104]{'line_nr'};
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[107]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4582,6 +4647,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'args'}[4]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'line_nr'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[108]{'line_nr'};
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[110]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[111]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[3];
@@ -4600,6 +4666,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'args'}[0];
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[0]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[2]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[3]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
@@ -4616,6 +4683,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'args'}[2]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'args'}[0];
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[4]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[6]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[7]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
@@ -4634,6 +4702,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[1];
+$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[8]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[11]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
@@ -4645,6 +4714,7 @@
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[12]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[13]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[14]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[14];
+$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[14]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[14]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[12]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[14]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
 $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[15]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[5];
@@ -4668,6 +4738,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0];
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[0]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[3]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
@@ -4683,6 +4754,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'args'}[0];
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[4]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[6]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[7]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
@@ -4701,6 +4773,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[8]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[11]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
@@ -4720,6 +4793,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'line_nr'} 
= 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[12]{'line_nr'};
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[14]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];
 $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[15]{'parent'} 
= $result_trees{'ref_error_formatting'}{'contents'}[7];

Modified: trunk/tp/t/results/converters_tests/ref_in_sectioning.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2016-03-28 
12:12:58 UTC (rev 7074)
@@ -178,6 +178,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -222,6 +223,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -307,6 +309,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -633,6 +636,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -770,6 +774,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -875,6 +880,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1018,6 +1024,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1148,6 +1155,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1271,6 +1279,7 @@
                   'normalized' => 'node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1398,6 +1407,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1512,6 +1522,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1615,6 +1626,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1736,6 +1748,7 @@
                   'normalized' => 'a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1804,6 +1817,7 @@
                 {
                   'contents' => [
                     {
+                      'parent' => {},
                       'text' => ' ',
                       'type' => 'empty_spaces_before_argument'
                     },
@@ -1980,6 +1994,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2093,6 +2108,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2192,6 +2208,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2271,6 +2288,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'label'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'label'}{'parent'}
 = $result_trees{'ref_in_sectioning'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'args'}[0];
@@ -2278,6 +2296,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'extra'}{'label'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'line_nr'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0];
@@ -2293,6 +2312,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'line_nr'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[7]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0];
@@ -2360,6 +2380,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0];
@@ -2386,6 +2407,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[6]{'args'}[0];
@@ -2406,6 +2428,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0];
@@ -2432,6 +2455,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0];
@@ -2456,6 +2480,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0];
@@ -2480,6 +2505,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0];
@@ -2503,6 +2529,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0];
@@ -2523,6 +2550,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0];
@@ -2541,6 +2569,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0];
@@ -2563,6 +2592,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0];
@@ -2576,6 +2606,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
@@ -2609,6 +2640,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0];
@@ -2631,6 +2663,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[17]{'args'}[0];
@@ -2649,6 +2682,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[18]{'args'}[0];

Modified: trunk/tp/t/results/converters_tests/refs_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/refs_formatting.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/refs_formatting.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -182,6 +182,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -284,6 +285,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -391,6 +393,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -504,6 +507,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -619,6 +623,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -733,6 +738,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -853,6 +859,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -974,6 +981,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1101,6 +1109,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1243,6 +1252,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1357,6 +1367,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1477,6 +1488,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1612,6 +1624,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1732,6 +1745,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1848,6 +1862,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1958,6 +1973,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2074,6 +2090,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2196,6 +2213,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2319,6 +2337,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2442,6 +2461,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2571,6 +2591,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2701,6 +2722,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2837,6 +2859,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2988,6 +3011,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3111,6 +3135,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3240,6 +3265,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3384,6 +3410,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3513,6 +3540,7 @@
                   'normalized' => 'anode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3641,6 +3669,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3723,6 +3752,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3822,6 +3852,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3923,6 +3954,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3990,6 +4022,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'refs_formatting'}{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4010,6 +4043,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'extra'}{'label'}
 = $result_trees{'refs_formatting'}{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4030,6 +4064,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[8]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[10]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[11]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4051,6 +4086,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[12]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[14]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[15]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4074,6 +4110,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'extra'}{'label'}
 = $result_trees{'refs_formatting'}{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[19]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4096,6 +4133,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'args'}[1]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[20]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[22]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[23]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4119,6 +4157,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'args'}[1]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[24]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[26]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4143,6 +4182,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[28]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[30]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[31]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4168,6 +4208,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[32]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[34]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[35]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4195,6 +4236,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[36]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[39]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4217,6 +4259,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[40]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[42]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[43]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4240,6 +4283,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[44]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[46]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[47]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4265,6 +4309,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[48]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[51]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4288,6 +4333,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[52]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[54]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[55]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1];
@@ -4309,6 +4355,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4329,6 +4376,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[4]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[6]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[7]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4350,6 +4398,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[8]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[10]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[11]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4372,6 +4421,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[12]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[14]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[15]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4395,6 +4445,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[16]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[18]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[19]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4418,6 +4469,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[20]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[22]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[23]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4442,6 +4494,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[24]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[26]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[27]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4467,6 +4520,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[28]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[30]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[31]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4493,6 +4547,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[32]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[34]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[35]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4521,6 +4576,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[36]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[39]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4544,6 +4600,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[40]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[42]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[43]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4568,6 +4625,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[44]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[46]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[47]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4594,6 +4652,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[48]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[51]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4618,6 +4677,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'args'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[52]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[54]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[55]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3];
@@ -4641,6 +4701,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[3]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
@@ -4656,6 +4717,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[7]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
@@ -4674,6 +4736,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[11]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
@@ -4693,6 +4756,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[12]{'line_nr'};
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[14]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[15]{'parent'}
 = $result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5];

Modified: trunk/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl
===================================================================
--- trunk/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl        
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl        
2016-03-28 12:12:58 UTC (rev 7074)
@@ -1248,6 +1248,7 @@
                   'normalized' => 
'a-strong-ref-with-SC_002c-a-i-trema-_00ef_002c-a-dotless-i-trema-_00ef-_1e14-and-exclamdown-_00a1'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1598,6 +1599,7 @@
 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[11]
 = 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[11];
 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[12]
 = 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[12];
 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[13]
 = 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[13];
+$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'some_at_commands_in_ref_nodes'}{'contents'}[4]{'contents'}[1];

Modified: trunk/tp/t/results/converters_tests/spaces_in_empty_node_names.pl
===================================================================
--- trunk/tp/t/results/converters_tests/spaces_in_empty_node_names.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/spaces_in_empty_node_names.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -552,6 +552,7 @@
                   'normalized' => '--'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -631,6 +632,7 @@
                   'normalized' => '-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -701,6 +703,7 @@
                   'normalized' => '-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -833,6 +836,7 @@
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'spaces_in_empty_node_names'}{'contents'}[4];
@@ -843,6 +847,7 @@
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[3];
@@ -854,6 +859,7 @@
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5];
 
$result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'spaces_in_empty_node_names'}{'contents'}[4]{'contents'}[5];

Modified: trunk/tp/t/results/converters_tests/spaces_in_node_names.pl
===================================================================
--- trunk/tp/t/results/converters_tests/spaces_in_node_names.pl 2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/spaces_in_node_names.pl 2016-03-28 
12:12:58 UTC (rev 7074)
@@ -592,6 +592,7 @@
                   'normalized' => 'a--'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -678,6 +679,7 @@
                   'normalized' => 'b-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -755,6 +757,7 @@
                   'normalized' => 'c-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -907,6 +910,7 @@
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
+$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1];
 $result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[1]{'parent'} 
= $result_trees{'spaces_in_node_names'}{'contents'}[4];
@@ -921,6 +925,7 @@
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[3];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[3];
@@ -936,6 +941,7 @@
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[4];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5];
 
$result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'spaces_in_node_names'}{'contents'}[4]{'contents'}[5];

Modified: trunk/tp/t/results/converters_tests/things_before_setfilename.pl
===================================================================
--- trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2016-03-28 12:12:58 UTC (rev 7074)
@@ -53,6 +53,7 @@
                 ],
                 'normalized' => 'An-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -112,6 +113,7 @@
                       'normalized' => 'An-anchor'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -192,6 +194,7 @@
                         ],
                         'normalized' => 'Anchor-in-footnote',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -268,6 +271,7 @@
                                     'normalized' => 'An-anchor'
                                   },
                                   'spaces_before_argument' => {
+                                    'parent' => {},
                                     'text' => '',
                                     'type' => 'empty_spaces_before_argument'
                                   }
@@ -330,6 +334,7 @@
                       'normalized' => 'Anchor-in-footnote'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -522,6 +527,7 @@
                       'normalized' => 'float-anchor'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1209,6 +1215,7 @@
                   'normalized' => 'An-anchor'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1271,6 +1278,7 @@
                   'normalized' => 'Anchor-in-footnote'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1320,6 +1328,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0];
@@ -1329,6 +1338,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0];
@@ -1341,6 +1351,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'};
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'};
@@ -1352,6 +1363,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'};
@@ -1361,6 +1373,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'parent'}{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'parent'}{'parent'};
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'parent'}{'parent'}{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0];
@@ -1395,6 +1408,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[12]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0];
@@ -1520,6 +1534,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[2];
@@ -1530,6 +1545,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'things_before_setfilename'}{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'things_before_setfilename'}{'contents'}[2];

Modified: 
trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
===================================================================
--- trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
2016-03-28 12:12:58 UTC (rev 7074)
@@ -51,6 +51,7 @@
             ],
             'normalized' => 'An-anchor',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -110,6 +111,7 @@
                   'normalized' => 'An-anchor'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -190,6 +192,7 @@
                     ],
                     'normalized' => 'Anchor-in-footnote',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -266,6 +269,7 @@
                                 'normalized' => 'An-anchor'
                               },
                               'spaces_before_argument' => {
+                                'parent' => {},
                                 'text' => '',
                                 'type' => 'empty_spaces_before_argument'
                               }
@@ -328,6 +332,7 @@
                   'normalized' => 'Anchor-in-footnote'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -520,6 +525,7 @@
                   'normalized' => 'float-anchor'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1119,6 +1125,7 @@
               'normalized' => 'An-anchor'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1181,6 +1188,7 @@
               'normalized' => 'Anchor-in-footnote'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1215,6 +1223,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[0];
@@ -1224,6 +1233,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[0];
@@ -1236,6 +1246,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'};
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'};
@@ -1247,6 +1258,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'contents'}[5]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'};
@@ -1256,6 +1268,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'parent'}{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'parent'}{'parent'};
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}{'parent'}{'parent'}{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[0];
@@ -1290,6 +1303,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[12]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[0];
@@ -1399,6 +1413,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[3];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[3];
 $result_trees{'things_before_setfilename_no_element'}{'contents'}[3]{'parent'} 
= $result_trees{'things_before_setfilename_no_element'};
@@ -1409,6 +1424,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[5];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'things_before_setfilename_no_element'}{'contents'}[5];
 $result_trees{'things_before_setfilename_no_element'}{'contents'}[5]{'parent'} 
= $result_trees{'things_before_setfilename_no_element'};

Modified: trunk/tp/t/results/converters_tests/top_in_ref.pl
===================================================================
--- trunk/tp/t/results/converters_tests/top_in_ref.pl   2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/converters_tests/top_in_ref.pl   2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -133,6 +133,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -235,6 +236,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -342,6 +344,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -455,6 +458,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -570,6 +574,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -684,6 +689,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -804,6 +810,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -925,6 +932,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1052,6 +1060,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1194,6 +1203,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1308,6 +1318,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1428,6 +1439,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1563,6 +1575,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1683,6 +1696,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1799,6 +1813,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1909,6 +1924,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2025,6 +2041,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2147,6 +2164,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2270,6 +2288,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2393,6 +2412,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2522,6 +2542,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2652,6 +2673,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2788,6 +2810,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2939,6 +2962,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3062,6 +3086,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3191,6 +3216,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3335,6 +3361,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3464,6 +3491,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3592,6 +3620,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3674,6 +3703,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3773,6 +3803,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3874,6 +3905,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3937,6 +3969,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'top_in_ref'}{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -3957,6 +3990,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'label'}
 = $result_trees{'top_in_ref'}{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -3977,6 +4011,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[11]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -3998,6 +4033,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[12]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[15]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4021,6 +4057,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'label'}
 = $result_trees{'top_in_ref'}{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[16]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[19]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4043,6 +4080,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[20]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[23]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4066,6 +4104,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[24]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[27]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4090,6 +4129,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[28]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[31]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4115,6 +4155,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[35]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4142,6 +4183,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[36]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[39]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4164,6 +4206,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[40]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[43]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4187,6 +4230,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[44]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[47]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4212,6 +4256,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[48]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[51]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4235,6 +4280,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[52]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[55]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1];
@@ -4256,6 +4302,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4276,6 +4323,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[4]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[7]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4297,6 +4345,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[8]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[11]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4319,6 +4368,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[12]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[15]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4342,6 +4392,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[16]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[19]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4365,6 +4416,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[20]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[23]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4389,6 +4441,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[24]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[27]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4414,6 +4467,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[28]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[31]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4440,6 +4494,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[32]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[35]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4468,6 +4523,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[36]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[39]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4491,6 +4547,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[40]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[43]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4515,6 +4572,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[44]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[47]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4541,6 +4599,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[48]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[51]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4565,6 +4624,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[52]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[55]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3];
@@ -4588,6 +4648,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
@@ -4603,6 +4664,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[4]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[7]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
@@ -4621,6 +4683,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[8]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[11]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
@@ -4640,6 +4703,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[12]{'line_nr'};
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[15]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5];

Modified: trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl
===================================================================
--- trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -133,6 +133,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -235,6 +236,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -342,6 +344,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -455,6 +458,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -570,6 +574,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -684,6 +689,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -804,6 +810,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -925,6 +932,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1052,6 +1060,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1194,6 +1203,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1308,6 +1318,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1428,6 +1439,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1563,6 +1575,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1683,6 +1696,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1799,6 +1813,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1909,6 +1924,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2025,6 +2041,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2147,6 +2164,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2270,6 +2288,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2393,6 +2412,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2522,6 +2542,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2652,6 +2673,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2788,6 +2810,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2939,6 +2962,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3062,6 +3086,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3191,6 +3216,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3335,6 +3361,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3464,6 +3491,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3592,6 +3620,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3674,6 +3703,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3773,6 +3803,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3874,6 +3905,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3937,6 +3969,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -3957,6 +3990,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'label'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -3977,6 +4011,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[10]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[11]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -3998,6 +4033,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[12]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[14]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[15]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4021,6 +4057,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'label'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[16]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[18]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[19]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4043,6 +4080,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[20]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[22]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[23]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4066,6 +4104,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[24]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[26]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[27]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4090,6 +4129,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[28]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[30]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[31]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4115,6 +4155,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[32]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[34]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[35]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4142,6 +4183,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[36]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[39]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4164,6 +4206,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[40]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[42]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[43]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4187,6 +4230,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[44]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[46]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[47]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4212,6 +4256,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[48]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[51]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4235,6 +4280,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[52]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[54]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[55]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1];
@@ -4256,6 +4302,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4276,6 +4323,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[4]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[6]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[7]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4297,6 +4345,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[8]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[10]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[11]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4319,6 +4368,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[12]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[14]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[15]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4342,6 +4392,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[16]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[18]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[19]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4365,6 +4416,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[20]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[22]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[23]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4389,6 +4441,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[24]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[26]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[27]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4414,6 +4467,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[28]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[30]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[31]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4440,6 +4494,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[32]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[34]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[35]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4468,6 +4523,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[36]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[39]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4491,6 +4547,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[40]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[42]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[43]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4515,6 +4572,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[44]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[46]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[47]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4541,6 +4599,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[48]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[51]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4565,6 +4624,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[52]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[54]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[55]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3];
@@ -4588,6 +4648,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[3]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
@@ -4603,6 +4664,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[4]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[6]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[7]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
@@ -4621,6 +4683,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[8]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[11]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
@@ -4640,6 +4703,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'line_nr'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[12]{'line_nr'};
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[14]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[15]{'parent'}
 = $result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5];

Modified: trunk/tp/t/results/coverage/commands.pl
===================================================================
--- trunk/tp/t/results/coverage/commands.pl     2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/coverage/commands.pl     2016-03-28 12:12:58 UTC (rev 
7074)
@@ -238,6 +238,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -498,6 +499,7 @@
 $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'parent'} 
= $result_trees{'commands'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[1];
+$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0];
 $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'parent'} = 
$result_trees{'commands'}{'contents'}[0];
 $result_trees{'commands'}{'contents'}[0]{'contents'}[17]{'parent'} = 
$result_trees{'commands'}{'contents'}[0];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[18]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[18]{'args'}[0];

Modified: trunk/tp/t/results/coverage/indicateurl_end_lines.pl
===================================================================
--- trunk/tp/t/results/coverage/indicateurl_end_lines.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage/indicateurl_end_lines.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -37,6 +37,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -89,6 +90,7 @@
           'contents' => [],
           'extra' => {
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -123,6 +125,7 @@
 
$result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'indicateurl_end_lines'}{'contents'}[0];
 $result_trees{'indicateurl_end_lines'}{'contents'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'indicateurl_end_lines'}{'contents'}[0];
 $result_trees{'indicateurl_end_lines'}{'contents'}[0]{'parent'} = 
$result_trees{'indicateurl_end_lines'};
@@ -130,6 +133,7 @@
 
$result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0];
+$result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 $result_trees{'indicateurl_end_lines'}{'contents'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'indicateurl_end_lines'}{'contents'}[2];
 $result_trees{'indicateurl_end_lines'}{'contents'}[2]{'parent'} = 
$result_trees{'indicateurl_end_lines'};
 $result_trees{'indicateurl_end_lines'}{'contents'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'indicateurl_end_lines'}{'contents'}[3];

Modified: trunk/tp/t/results/coverage/invalid_U.pl
===================================================================
--- trunk/tp/t/results/coverage/invalid_U.pl    2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/coverage/invalid_U.pl    2016-03-28 12:12:58 UTC (rev 
7074)
@@ -43,6 +43,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -76,6 +77,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -109,6 +111,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -142,6 +145,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -175,6 +179,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -208,6 +213,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -229,36 +235,42 @@
 };
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[1];
+$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[1]{'line_nr'} = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'} 
= $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'line_nr'} = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[4]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'args'}[0]{'parent'} 
= $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'line_nr'} = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[5]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[6]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'args'}[0]{'parent'} 
= $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'line_nr'} = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[7]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[8]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'parent'} 
= $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'line_nr'} = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[9]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[10]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'args'}[0]{'parent'} 
= $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11];
 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'args'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'line_nr'} = 
$result_trees{'invalid_U'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[11]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];
 $result_trees{'invalid_U'}{'contents'}[0]{'contents'}[12]{'parent'} = 
$result_trees{'invalid_U'}{'contents'}[0];

Modified: trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
===================================================================
--- trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2016-03-28 
12:12:58 UTC (rev 7074)
@@ -929,6 +929,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1263,6 +1264,7 @@
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'args'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'args'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[15]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[16]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[17]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2];

Modified: trunk/tp/t/results/coverage/test_errormsg.pl
===================================================================
--- trunk/tp/t/results/coverage/test_errormsg.pl        2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage/test_errormsg.pl        2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -82,6 +82,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -116,6 +117,7 @@
 
$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][3]
 = 
$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3];
+$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'line_nr'} = 
$result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'test_errormsg'}{'contents'}[0];
 $result_trees{'test_errormsg'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'test_errormsg'}{'contents'}[0];

Modified: trunk/tp/t/results/coverage/titlefont_in_center.pl
===================================================================
--- trunk/tp/t/results/coverage/titlefont_in_center.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage/titlefont_in_center.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -47,6 +47,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -88,6 +89,7 @@
 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0];
 
$result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0];
 $result_trees{'titlefont_in_center'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'titlefont_in_center'}{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -45,6 +45,7 @@
             ],
             'normalized' => '_002d_002da',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -85,6 +86,7 @@
             'explanation_contents' => [],
             'normalized' => '_002d_002da',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -174,6 +176,7 @@
             ],
             'normalized' => '_002d_002da',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -328,6 +331,7 @@
             ],
             'normalized' => '_00c9_002d_002da_002e-_002cA_002e',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -405,6 +409,7 @@
             'explanation_contents' => [],
             'normalized' => '_00c9_002d_002da_002e-_002cA_002e',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -430,12 +435,14 @@
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'extra'}{'explanation_contents'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0];
@@ -453,6 +460,7 @@
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[1];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[2];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][3]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[3];
+$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'line_nr'} = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[1]{'line_nr'};
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[4]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[5]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
@@ -489,6 +497,7 @@
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[3];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][3]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[4];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][4]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[5];
+$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'line_nr'} = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[7]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
@@ -506,6 +515,7 @@
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[2];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][3]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[3];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'explanation_contents'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'line_nr'} = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[8]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];
 $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[9]{'parent'} = 
$result_trees{'abbr_acronym'}{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/anchor_not_closed.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/anchor_not_closed.pl     2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/anchor_not_closed.pl     2016-03-28 
12:12:58 UTC (rev 7074)
@@ -31,6 +31,7 @@
       'contents' => [],
       'extra' => {
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -48,6 +49,7 @@
 
$result_trees{'anchor_not_closed'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_not_closed'}{'contents'}[0]{'args'}[0];
 
$result_trees{'anchor_not_closed'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'anchor_not_closed'}{'contents'}[0]{'args'}[0];
 $result_trees{'anchor_not_closed'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'anchor_not_closed'}{'contents'}[0];
+$result_trees{'anchor_not_closed'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'anchor_not_closed'}{'contents'}[0]{'args'}[0];
 $result_trees{'anchor_not_closed'}{'contents'}[0]{'parent'} = 
$result_trees{'anchor_not_closed'};
 
 $result_texis{'anchor_not_closed'} = '@anchor{my anchor

Modified: trunk/tp/t/results/coverage_braces/brace_opened_no_command.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/brace_opened_no_command.pl       
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/brace_opened_no_command.pl       
2016-03-28 12:12:58 UTC (rev 7074)
@@ -47,6 +47,7 @@
             ],
             'normalized' => 'truc',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -88,6 +89,7 @@
 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'brace_opened_no_command'}{'contents'}[0];
 
$result_trees{'brace_opened_no_command'}{'contents'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'brace_opened_no_command'}{'contents'}[0];
 $result_trees{'brace_opened_no_command'}{'contents'}[0]{'parent'} = 
$result_trees{'brace_opened_no_command'};

Modified: trunk/tp/t/results/coverage_braces/ctrl.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/ctrl.pl  2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/coverage_braces/ctrl.pl  2016-03-28 12:12:58 UTC (rev 
7074)
@@ -37,6 +37,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -91,6 +92,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -118,6 +120,7 @@
 
$result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'ctrl'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'ctrl'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'ctrl'}{'contents'}[1];
 $result_trees{'ctrl'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'ctrl'}{'contents'}[1];
 $result_trees{'ctrl'}{'contents'}[1]{'parent'} = $result_trees{'ctrl'};
@@ -126,6 +129,7 @@
 
$result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 $result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'ctrl'}{'contents'}[3]{'contents'}[1];
 
$result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 $result_trees{'ctrl'}{'contents'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'ctrl'}{'contents'}[3];
 $result_trees{'ctrl'}{'contents'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'ctrl'}{'contents'}[3];
 $result_trees{'ctrl'}{'contents'}[3]{'parent'} = $result_trees{'ctrl'};

Modified: trunk/tp/t/results/coverage_braces/email_possibilities.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/email_possibilities.pl   2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/email_possibilities.pl   2016-03-28 
12:12:58 UTC (rev 7074)
@@ -44,6 +44,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -88,6 +89,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -126,6 +128,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -155,17 +158,20 @@
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'email_possibilities'}{'contents'}[0];
 $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'email_possibilities'}{'contents'}[0];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'email_possibilities'}{'contents'}[0];
 $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'email_possibilities'}{'contents'}[0];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[4]{'parent'} = 
$result_trees{'email_possibilities'}{'contents'}[0];
 $result_trees{'email_possibilities'}{'contents'}[0]{'contents'}[5]{'parent'} = 
$result_trees{'email_possibilities'}{'contents'}[0];
 $result_trees{'email_possibilities'}{'contents'}[0]{'parent'} = 
$result_trees{'email_possibilities'};

Modified: trunk/tp/t/results/coverage_braces/empty_commands.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_commands.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/empty_commands.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -22,6 +22,7 @@
           undef
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -61,6 +62,7 @@
               undef
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -91,6 +93,7 @@
               undef
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -117,6 +120,7 @@
               undef
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -224,17 +228,21 @@
   'type' => 'text_root'
 };
 $result_trees{'empty_commands'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'empty_commands'}{'contents'}[0];
+$result_trees{'empty_commands'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_commands'}{'contents'}[0]{'args'}[0];
 $result_trees{'empty_commands'}{'contents'}[0]{'parent'} = 
$result_trees{'empty_commands'};
 $result_trees{'empty_commands'}{'contents'}[1]{'parent'} = 
$result_trees{'empty_commands'};
 $result_trees{'empty_commands'}{'contents'}[2]{'parent'} = 
$result_trees{'empty_commands'};
 
$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[0];
+$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[0]{'args'}[0];
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'empty_commands'}{'contents'}[3];
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'empty_commands'}{'contents'}[3];
 
$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[2];
+$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[2]{'args'}[0];
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[2]{'line_nr'} = 
$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[0]{'line_nr'};
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'empty_commands'}{'contents'}[3];
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[3]{'parent'} = 
$result_trees{'empty_commands'}{'contents'}[3];
 
$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[4];
+$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[4]{'args'}[0];
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[4]{'line_nr'} = 
$result_trees{'empty_commands'}{'contents'}[3]{'contents'}[0]{'line_nr'};
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[4]{'parent'} = 
$result_trees{'empty_commands'}{'contents'}[3];
 $result_trees{'empty_commands'}{'contents'}[3]{'contents'}[5]{'parent'} = 
$result_trees{'empty_commands'}{'contents'}[3];

Modified: trunk/tp/t/results/coverage_braces/empty_images.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_images.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/empty_images.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -22,6 +22,7 @@
           undef
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -49,6 +50,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             }
@@ -180,6 +182,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -236,6 +239,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -256,9 +260,11 @@
   'type' => 'text_root'
 };
 $result_trees{'empty_images'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[0];
+$result_trees{'empty_images'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_images'}{'contents'}[0]{'args'}[0];
 $result_trees{'empty_images'}{'contents'}[0]{'parent'} = 
$result_trees{'empty_images'};
 $result_trees{'empty_images'}{'contents'}[1]{'parent'} = 
$result_trees{'empty_images'};
 $result_trees{'empty_images'}{'contents'}[2]{'parent'} = 
$result_trees{'empty_images'};
+$result_trees{'empty_images'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_images'}{'contents'}[3]{'args'}[0];
 $result_trees{'empty_images'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[3];
 
$result_trees{'empty_images'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_images'}{'contents'}[3]{'args'}[1];
 $result_trees{'empty_images'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[3];
@@ -283,6 +289,7 @@
 
$result_trees{'empty_images'}{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'empty_images'}{'contents'}[6]{'args'}[3];
 $result_trees{'empty_images'}{'contents'}[6]{'args'}[3]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[6];
 
$result_trees{'empty_images'}{'contents'}[6]{'extra'}{'brace_command_contents'}[3][0]
 = $result_trees{'empty_images'}{'contents'}[6]{'args'}[3]{'contents'}[0];
+$result_trees{'empty_images'}{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_images'}{'contents'}[6]{'args'}[0];
 $result_trees{'empty_images'}{'contents'}[6]{'parent'} = 
$result_trees{'empty_images'};
 $result_trees{'empty_images'}{'contents'}[7]{'parent'} = 
$result_trees{'empty_images'};
 $result_trees{'empty_images'}{'contents'}[8]{'args'}[0]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[8];
@@ -291,6 +298,7 @@
 
$result_trees{'empty_images'}{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'empty_images'}{'contents'}[8]{'args'}[3];
 $result_trees{'empty_images'}{'contents'}[8]{'args'}[3]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[8];
 
$result_trees{'empty_images'}{'contents'}[8]{'extra'}{'brace_command_contents'}[3][0]
 = $result_trees{'empty_images'}{'contents'}[8]{'args'}[3]{'contents'}[0];
+$result_trees{'empty_images'}{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_images'}{'contents'}[8]{'args'}[0];
 $result_trees{'empty_images'}{'contents'}[8]{'parent'} = 
$result_trees{'empty_images'};
 $result_trees{'empty_images'}{'contents'}[9]{'parent'} = 
$result_trees{'empty_images'};
 

Modified: trunk/tp/t/results/coverage_braces/empty_line_in_anchor.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_line_in_anchor.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/empty_line_in_anchor.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -31,6 +31,7 @@
       'contents' => [],
       'extra' => {
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -59,6 +60,7 @@
 
$result_trees{'empty_line_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_line_in_anchor'}{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_line_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'empty_line_in_anchor'}{'contents'}[0]{'args'}[0];
 $result_trees{'empty_line_in_anchor'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'empty_line_in_anchor'}{'contents'}[0];
+$result_trees{'empty_line_in_anchor'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_line_in_anchor'}{'contents'}[0]{'args'}[0];
 $result_trees{'empty_line_in_anchor'}{'contents'}[0]{'parent'} = 
$result_trees{'empty_line_in_anchor'};
 $result_trees{'empty_line_in_anchor'}{'contents'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'empty_line_in_anchor'}{'contents'}[1];
 $result_trees{'empty_line_in_anchor'}{'contents'}[1]{'parent'} = 
$result_trees{'empty_line_in_anchor'};

Modified: trunk/tp/t/results/coverage_braces/empty_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_ref.pl     2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/empty_ref.pl     2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -30,6 +30,7 @@
               undef
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -79,6 +80,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -95,6 +97,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -128,6 +131,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -182,6 +186,7 @@
 };
 $result_trees{'empty_ref'}{'contents'}[0]{'parent'} = 
$result_trees{'empty_ref'};
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0];
+$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2];
@@ -189,15 +194,18 @@
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'args'}[2];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'line_nr'} = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
+$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'line_nr'} = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
+$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7];

Modified: trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -14,6 +14,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -71,6 +72,7 @@
   ],
   'type' => 'text_root'
 };
+$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/coverage_braces/end_line_in_anchor.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/end_line_in_anchor.pl    2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/end_line_in_anchor.pl    2016-03-28 
12:12:58 UTC (rev 7074)
@@ -40,6 +40,7 @@
         ],
         'normalized' => 'an-anchor',
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -66,6 +67,7 @@
 
$result_trees{'end_line_in_anchor'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = $result_trees{'end_line_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[1];
 $result_trees{'end_line_in_anchor'}{'contents'}[0]{'extra'}{'node_content'}[0] 
= $result_trees{'end_line_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 $result_trees{'end_line_in_anchor'}{'contents'}[0]{'extra'}{'node_content'}[1] 
= $result_trees{'end_line_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'end_line_in_anchor'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'end_line_in_anchor'}{'contents'}[0]{'args'}[0];
 $result_trees{'end_line_in_anchor'}{'contents'}[0]{'parent'} = 
$result_trees{'end_line_in_anchor'};
 
 $result_texis{'end_line_in_anchor'} = '@anchor{an

Modified: trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -61,6 +61,7 @@
             ],
             'normalized' => 'aa',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -92,6 +93,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -252,11 +254,13 @@
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[0];
 $result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'parent'} = 
$result_trees{'form_feed_in_brace_commands'};
 $result_trees{'form_feed_in_brace_commands'}{'contents'}[1]{'parent'} = 
$result_trees{'form_feed_in_brace_commands'};
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2];
+$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1];

Modified: trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2016-03-28 
12:12:58 UTC (rev 7074)
@@ -111,6 +111,7 @@
                   'normalized' => 'chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -172,6 +173,7 @@
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1];
 $result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'inforef_too_much_args'}{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/nested_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_args.pl   2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/nested_args.pl   2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -179,6 +179,7 @@
               'normalized' => '_0040-in-samp'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -232,6 +233,7 @@
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
+$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'line_nr'} = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'line_nr'};
 $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'nested_args'}{'contents'}[0];
 $result_trees{'nested_args'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'nested_args'}{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/nested_in_sc.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -185,6 +185,7 @@
                             ],
                             'normalized' => 'ABr',
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -286,6 +287,7 @@
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'contents'}[1];
+$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'line_nr'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[12]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/coverage_braces/recursive_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2016-03-28 
12:12:58 UTC (rev 7074)
@@ -50,6 +50,7 @@
                     ],
                     'normalized' => 'GNU',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -84,6 +85,7 @@
             ],
             'normalized' => 'GNU',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -108,12 +110,14 @@
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2];
+$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'line_nr'} = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'recursive_acronym'}{'contents'}[0];
 $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'recursive_acronym'}{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/ref_empty_node.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -55,6 +55,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -125,6 +126,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -170,6 +172,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -187,6 +190,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -297,6 +301,7 @@
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
@@ -306,6 +311,7 @@
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[1];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'line_nr'} = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
@@ -314,9 +320,11 @@
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'line_nr'} = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];

Modified: trunk/tp/t/results/coverage_braces/ref_in_style_command.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/ref_in_style_command.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/ref_in_style_command.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -50,6 +50,7 @@
                       'normalized' => 'other-node'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -87,6 +88,7 @@
 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0];
 $result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'line_nr'} 
= 
$result_trees{'ref_in_style_command'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};

Modified: trunk/tp/t/results/coverage_braces/space_command_in_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_command_in_image.pl        
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/space_command_in_image.pl        
2016-03-28 12:12:58 UTC (rev 7074)
@@ -54,6 +54,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -116,6 +117,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -134,6 +136,7 @@
 $result_trees{'space_command_in_image'}{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'space_command_in_image'}{'contents'}[0];
 
$result_trees{'space_command_in_image'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'space_command_in_image'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'space_command_in_image'}{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'space_command_in_image'}{'contents'}[0]{'args'}[3]{'contents'}[0];
+$result_trees{'space_command_in_image'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'space_command_in_image'}{'contents'}[0]{'args'}[0];
 $result_trees{'space_command_in_image'}{'contents'}[0]{'parent'} = 
$result_trees{'space_command_in_image'};
 $result_trees{'space_command_in_image'}{'contents'}[1]{'parent'} = 
$result_trees{'space_command_in_image'};
 
$result_trees{'space_command_in_image'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_command_in_image'}{'contents'}[2]{'args'}[0];
@@ -144,6 +147,7 @@
 $result_trees{'space_command_in_image'}{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'space_command_in_image'}{'contents'}[2];
 
$result_trees{'space_command_in_image'}{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'space_command_in_image'}{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'space_command_in_image'}{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'space_command_in_image'}{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'space_command_in_image'}{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'space_command_in_image'}{'contents'}[2]{'args'}[0];
 $result_trees{'space_command_in_image'}{'contents'}[2]{'line_nr'} = 
$result_trees{'space_command_in_image'}{'contents'}[0]{'line_nr'};
 $result_trees{'space_command_in_image'}{'contents'}[2]{'parent'} = 
$result_trees{'space_command_in_image'};
 

Modified: trunk/tp/t/results/coverage_braces/space_in_anchor.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_in_anchor.pl       2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/space_in_anchor.pl       2016-03-28 
12:12:58 UTC (rev 7074)
@@ -12,6 +12,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => '   ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -64,6 +65,7 @@
   ],
   'type' => 'text_root'
 };
+$result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0];
 $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'space_in_anchor'}{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/space_in_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_in_image.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/coverage_braces/space_in_image.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -12,6 +12,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => ' ',
               'type' => 'empty_spaces_before_argument'
             },
@@ -123,6 +124,7 @@
             {
               'contents' => [
                 {
+                  'parent' => {},
                   'text' => ' ',
                   'type' => 'empty_spaces_before_argument'
                 },
@@ -164,6 +166,7 @@
   ],
   'type' => 'text_root'
 };
+$result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0];
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
@@ -185,6 +188,7 @@
 
$result_trees{'space_in_image'}{'contents'}[0]{'extra'}{'spaces_before_argument'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 $result_trees{'space_in_image'}{'contents'}[0]{'parent'} = 
$result_trees{'space_in_image'};
 $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[1];
+$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/test_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/test_image.pl    2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/test_image.pl    2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -293,6 +293,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -660,6 +661,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -974,6 +976,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -1337,6 +1340,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1604,6 +1608,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1965,6 +1970,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -2283,6 +2289,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2646,6 +2653,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -2872,6 +2880,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3235,6 +3244,7 @@
                               ]
                             ],
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -3498,6 +3508,7 @@
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[1];
@@ -3594,6 +3605,7 @@
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3];
@@ -3672,6 +3684,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 $result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'line_nr'} = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 $result_trees{'test_image'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'test_image'}{'contents'}[1];
 $result_trees{'test_image'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'test_image'}{'contents'}[1];
@@ -3767,6 +3780,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4];
@@ -3834,6 +3848,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1];
@@ -3929,6 +3944,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1];
@@ -4007,6 +4023,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12];
@@ -4102,6 +4119,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3];
@@ -4162,6 +4180,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0];
@@ -4257,6 +4276,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][8]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[8];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][9]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[9];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][10]
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[10];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3];

Modified: trunk/tp/t/results/coverage_braces/too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/too_much_args.pl 2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/too_much_args.pl 2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -49,6 +49,7 @@
             ],
             'normalized' => 'AZE',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -73,6 +74,7 @@
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'too_much_args'}{'contents'}[0];
 $result_trees{'too_much_args'}{'contents'}[0]{'parent'} = 
$result_trees{'too_much_args'};
 

Modified: trunk/tp/t/results/coverage_braces/uref_in_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -66,6 +66,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -126,6 +127,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -182,6 +184,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -238,6 +241,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -290,6 +294,7 @@
               'normalized' => 'node'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -318,6 +323,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
@@ -327,6 +333,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
@@ -337,6 +344,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
@@ -347,6 +355,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
@@ -361,6 +370,7 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[4][1]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'line_nr'} = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};
 $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'uref_in_ref'}{'contents'}[0];
 $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'uref_in_ref'}{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/uref_url.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/uref_url.pl      2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/uref_url.pl      2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -44,6 +44,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -82,6 +83,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -126,6 +128,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -190,6 +193,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -247,6 +251,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -304,6 +309,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -354,6 +360,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -405,6 +412,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -469,6 +477,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -498,17 +507,20 @@
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[2];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'args'}[1];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[4]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[5]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'args'}[0];
@@ -520,6 +532,7 @@
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'args'}[2]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[6]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[7]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[8];
@@ -529,6 +542,7 @@
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'args'}[2]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[8];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'args'}[2]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[8]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[9]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'args'}[0];
@@ -538,6 +552,7 @@
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'args'}[2]{'parent'} 
= $result_trees{'uref_url'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'args'}[2]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[10]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[11]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'parent'} 
= $result_trees{'uref_url'}{'contents'}[0]{'contents'}[12];
@@ -545,6 +560,7 @@
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'args'}[2];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'args'}[2]{'parent'} 
= $result_trees{'uref_url'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'args'}[2]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[12]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[13]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'args'}[0];
@@ -553,6 +569,7 @@
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'} 
= $result_trees{'uref_url'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[14]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[15]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'args'}[0];
@@ -564,6 +581,7 @@
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'args'}[2]{'contents'}[0];
+$result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'args'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[16]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'contents'}[17]{'parent'} = 
$result_trees{'uref_url'}{'contents'}[0];
 $result_trees{'uref_url'}{'contents'}[0]{'parent'} = $result_trees{'uref_url'};

Modified: trunk/tp/t/results/coverage_braces/verb_in_xref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -136,6 +136,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -196,6 +197,7 @@
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'verb_in_xref'}{'contents'}[1];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/def/ref_in_def.pl
===================================================================
--- trunk/tp/t/results/def/ref_in_def.pl        2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/def/ref_in_def.pl        2016-03-28 12:12:58 UTC (rev 
7074)
@@ -116,6 +116,7 @@
                             ],
                             'normalized' => 'myanchor',
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -134,6 +135,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -178,6 +180,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -220,6 +223,7 @@
                               'normalized' => 'myanchor'
                             },
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -265,6 +269,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -305,6 +310,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -446,6 +452,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -490,6 +497,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -532,6 +540,7 @@
                               'normalized' => 'myanchor'
                             },
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -577,6 +586,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -617,6 +627,7 @@
                           'normalized' => 'myanchor'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -838,8 +849,10 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}{'parent'}
 = $result_trees{'ref_in_def'}{'contents'}[1];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -847,6 +860,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
@@ -855,6 +869,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
@@ -865,6 +880,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[8]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
@@ -873,6 +889,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[9]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[10]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
@@ -898,6 +915,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0];
@@ -905,6 +923,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
@@ -913,6 +932,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
@@ -923,6 +943,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[7]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[8]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
@@ -931,6 +952,7 @@
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'extra'}{'label'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'line_nr'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[9]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[10]{'parent'}
 = 
$result_trees{'ref_in_def'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];

Modified: trunk/tp/t/results/float/anchor_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/anchor_in_caption.pl       2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/float/anchor_in_caption.pl       2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -187,6 +187,7 @@
                             ],
                             'normalized' => 'in-anchor',
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -352,6 +353,7 @@
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[1];

Modified: trunk/tp/t/results/float/complex_float.pl
===================================================================
--- trunk/tp/t/results/float/complex_float.pl   2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/float/complex_float.pl   2016-03-28 12:12:58 UTC (rev 
7074)
@@ -847,6 +847,7 @@
                       'normalized' => 'Top'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -1032,6 +1033,7 @@
                               ]
                             ],
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -1309,6 +1311,7 @@
                         ],
                         'normalized' => 'Anchor-in-caption',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2069,6 +2072,7 @@
                               'normalized' => 'Top'
                             },
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -2254,6 +2258,7 @@
                                       ]
                                     ],
                                     'spaces_before_argument' => {
+                                      'parent' => {},
                                       'text' => '',
                                       'type' => 'empty_spaces_before_argument'
                                     }
@@ -2514,6 +2519,7 @@
                                       ]
                                     ],
                                     'spaces_before_argument' => {
+                                      'parent' => {},
                                       'text' => '',
                                       'type' => 'empty_spaces_before_argument'
                                     }
@@ -3748,6 +3754,7 @@
                         ],
                         'normalized' => 'Anchor-in-caption-2',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -3819,6 +3826,7 @@
                               'normalized' => 'Top'
                             },
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -4004,6 +4012,7 @@
                                       ]
                                     ],
                                     'spaces_before_argument' => {
+                                      'parent' => {},
                                       'text' => '',
                                       'type' => 'empty_spaces_before_argument'
                                     }
@@ -4257,6 +4266,7 @@
                   'normalized' => 'text-with-a-lot-of-features'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -4459,6 +4469,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'complex_float'}{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[2]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12]{'contents'}[3]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[12];
@@ -4491,6 +4502,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[0]{'line_nr'};
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[14]{'contents'}[2];
@@ -4547,6 +4559,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[6]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[7]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[7];
@@ -4694,6 +4707,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'complex_float'}{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[17];
@@ -4726,6 +4740,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[0]{'line_nr'};
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[19]{'contents'}[2];
@@ -4782,6 +4797,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[19]{'args'}[0]{'contents'}[0]{'contents'}[2];
@@ -5028,6 +5044,7 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[14]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[16]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17];
@@ -5039,6 +5056,7 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'complex_float'}{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[17];
@@ -5071,6 +5089,7 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[0]{'line_nr'};
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[19]{'contents'}[2];
@@ -5129,6 +5148,7 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[3];
 $result_trees{'complex_float'}{'contents'}[4]{'contents'}[3]{'parent'} = 
$result_trees{'complex_float'}{'contents'}[4];

Modified: trunk/tp/t/results/float/float_copying.pl
===================================================================
--- trunk/tp/t/results/float/float_copying.pl   2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/float/float_copying.pl   2016-03-28 12:12:58 UTC (rev 
7074)
@@ -154,6 +154,7 @@
                                             ],
                                             'normalized' => 
'caption-copying-footnote-anchor',
                                             'spaces_before_argument' => {
+                                              'parent' => {},
                                               'text' => '',
                                               'type' => 
'empty_spaces_before_argument'
                                             }
@@ -379,6 +380,7 @@
                                               'normalized' => 
'Copying-and-floats'
                                             },
                                             'spaces_before_argument' => {
+                                              'parent' => {},
                                               'text' => '',
                                               'type' => 
'empty_spaces_before_argument'
                                             }
@@ -466,6 +468,7 @@
                             ],
                             'normalized' => 'public-domain-anchor',
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -1242,6 +1245,7 @@
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
@@ -1284,6 +1288,7 @@
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'label'}{'parent'}
 = $result_trees{'float_copying'};
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
@@ -1299,6 +1304,7 @@
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[4];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[4]{'args'}[0];

Modified: trunk/tp/t/results/float/numbering_captions_listoffloats.pl
===================================================================
--- trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2016-03-28 
12:12:58 UTC (rev 7074)
@@ -5911,6 +5911,7 @@
                   'normalized' => 'text-in-section'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -5960,6 +5961,7 @@
                   'normalized' => 'text-in-chapter'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -6005,6 +6007,7 @@
                   'normalized' => 'text-with-a-lot-of-features'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -6101,6 +6104,7 @@
                   'normalized' => 'text-with-a-lot-of-features'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -6213,6 +6217,7 @@
                   'normalized' => 'text-with-a-lot-of-features'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -6331,6 +6336,7 @@
                   'normalized' => 'text-with-a-lot-of-features'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -6392,6 +6398,7 @@
                   'normalized' => 'label-but-no-type'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -7721,6 +7728,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1];
@@ -7729,6 +7737,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'extra'}{'label'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'args'}[0];
@@ -7736,6 +7745,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'extra'}{'label'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[6]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'contents'}[7]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[1]{'parent'}
 = $result_trees{'numbering_captions_listoffloats'}{'contents'}[18];
@@ -7752,6 +7762,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'parent'}
 = $result_trees{'numbering_captions_listoffloats'}{'contents'}[18];
@@ -7770,6 +7781,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'parent'}
 = $result_trees{'numbering_captions_listoffloats'}{'contents'}[18];
@@ -7789,6 +7801,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'parent'}
 = $result_trees{'numbering_captions_listoffloats'}{'contents'}[18];
@@ -7799,6 +7812,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[9]{'parent'}
 = $result_trees{'numbering_captions_listoffloats'}{'contents'}[18];

Modified: trunk/tp/t/results/float/ref_to_float.pl
===================================================================
--- trunk/tp/t/results/float/ref_to_float.pl    2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/float/ref_to_float.pl    2016-03-28 12:12:58 UTC (rev 
7074)
@@ -293,6 +293,7 @@
               'normalized' => 'Label1'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -350,6 +351,7 @@
               'normalized' => 'Label2'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -425,6 +427,7 @@
 
$result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'extra'}{'label'} 
= $result_trees{'ref_to_float'}{'contents'}[0];
 
$result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 $result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[4];
 $result_trees{'ref_to_float'}{'contents'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[4];
 $result_trees{'ref_to_float'}{'contents'}[4]{'parent'} = 
$result_trees{'ref_to_float'};
@@ -434,6 +437,7 @@
 
$result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'extra'}{'label'} 
= $result_trees{'ref_to_float'}{'contents'}[2];
 
$result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 $result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[6];
 $result_trees{'ref_to_float'}{'contents'}[6]{'contents'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[6];
 $result_trees{'ref_to_float'}{'contents'}[6]{'parent'} = 
$result_trees{'ref_to_float'};

Modified: trunk/tp/t/results/html_tests/check_htmlxref.pl
===================================================================
--- trunk/tp/t/results/html_tests/check_htmlxref.pl     2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/html_tests/check_htmlxref.pl     2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -249,6 +249,7 @@
                   'normalized' => 'a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -344,6 +345,7 @@
                   'normalized' => 'a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -686,6 +688,7 @@
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -701,6 +704,7 @@
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1];
 $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[2];

Modified: trunk/tp/t/results/html_tests/commands_in_abbr.pl
===================================================================
--- trunk/tp/t/results/html_tests/commands_in_abbr.pl   2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/html_tests/commands_in_abbr.pl   2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -72,6 +72,7 @@
             ],
             'normalized' => 'A',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -171,6 +172,7 @@
                 ],
                 'normalized' => 'A',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -253,6 +255,7 @@
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2];
+$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'line_nr'} = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'commands_in_abbr'}{'contents'}[0];
 $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'commands_in_abbr'}{'contents'}[0];
@@ -270,6 +273,7 @@
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2];
+$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1];

Modified: trunk/tp/t/results/html_tests/commands_in_alt.pl
===================================================================
--- trunk/tp/t/results/html_tests/commands_in_alt.pl    2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/html_tests/commands_in_alt.pl    2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -77,6 +77,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -179,6 +180,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -263,6 +265,7 @@
 
$result_trees{'commands_in_alt'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = $result_trees{'commands_in_alt'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_in_alt'}{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = $result_trees{'commands_in_alt'}{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'commands_in_alt'}{'contents'}[0]{'extra'}{'brace_command_contents'}[3][1]
 = $result_trees{'commands_in_alt'}{'contents'}[0]{'args'}[3]{'contents'}[1];
+$result_trees{'commands_in_alt'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'commands_in_alt'}{'contents'}[0]{'args'}[0];
 $result_trees{'commands_in_alt'}{'contents'}[0]{'line_nr'} = 
$result_trees{'commands_in_alt'}{'contents'}[0]{'args'}[3]{'contents'}[1]{'line_nr'};
 $result_trees{'commands_in_alt'}{'contents'}[0]{'parent'} = 
$result_trees{'commands_in_alt'};
 $result_trees{'commands_in_alt'}{'contents'}[1]{'parent'} = 
$result_trees{'commands_in_alt'};
@@ -281,6 +284,7 @@
 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][1]
 = 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
+$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'line_nr'};
 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1];
 
$result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'commands_in_alt'}{'contents'}[3]{'contents'}[1];

Modified: trunk/tp/t/results/html_tests/commands_in_email.pl
===================================================================
--- trunk/tp/t/results/html_tests/commands_in_email.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/html_tests/commands_in_email.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -73,6 +73,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -100,6 +101,7 @@
 
$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][3]
 = 
$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3];
+$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 $result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'line_nr'} = 
$result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'commands_in_email'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'commands_in_email'}{'contents'}[0];
 $result_trees{'commands_in_email'}{'contents'}[0]{'parent'} = 
$result_trees{'commands_in_email'};

Modified: trunk/tp/t/results/html_tests/documentdescription.pl
===================================================================
--- trunk/tp/t/results/html_tests/documentdescription.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/html_tests/documentdescription.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -203,6 +203,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -368,6 +369,7 @@
 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'args'}[0]{'parent'}
 = 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13];
 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'args'}[0]{'contents'}[0];
 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'args'}[0]{'contents'}[1];
+$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'args'}[0];
 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'line_nr'}
 = 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[13]{'parent'}
 = 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[14]{'parent'}
 = 
$result_trees{'documentdescription'}{'contents'}[0]{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/html_tests/image_link_prefix.pl
===================================================================
--- trunk/tp/t/results/html_tests/image_link_prefix.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/html_tests/image_link_prefix.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -29,6 +29,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -46,6 +47,7 @@
 
$result_trees{'image_link_prefix'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'image_link_prefix'}{'contents'}[0]{'args'}[0];
 $result_trees{'image_link_prefix'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'image_link_prefix'}{'contents'}[0];
 
$result_trees{'image_link_prefix'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = $result_trees{'image_link_prefix'}{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'image_link_prefix'}{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_link_prefix'}{'contents'}[0]{'args'}[0];
 $result_trees{'image_link_prefix'}{'contents'}[0]{'parent'} = 
$result_trees{'image_link_prefix'};
 
 $result_texis{'image_link_prefix'} = '@image{image}';

Modified: trunk/tp/t/results/html_tests/ref_in_preformatted.pl
===================================================================
--- trunk/tp/t/results/html_tests/ref_in_preformatted.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/html_tests/ref_in_preformatted.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -277,6 +277,7 @@
                       'normalized' => 'nnn-the-node-name'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -431,6 +432,7 @@
 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}{'parent'}
 = $result_trees{'ref_in_preformatted'};
 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_preformatted'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl
===================================================================
--- trunk/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl     
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl     
2016-03-28 12:12:58 UTC (rev 7074)
@@ -401,6 +401,7 @@
                   'normalized' => 'chap'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -505,6 +506,7 @@
                   'normalized' => 'chap'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -615,6 +617,7 @@
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[3];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[3]{'parent'}
 = $result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4];
@@ -632,6 +635,7 @@
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[3];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7];
 
$result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4]{'contents'}[7]{'parent'}
 = $result_trees{'test_xrefautomaticsectiontitle'}{'contents'}[4];

Modified: trunk/tp/t/results/include/cpp_lines.pl
===================================================================
--- trunk/tp/t/results/include/cpp_lines.pl     2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/include/cpp_lines.pl     2016-03-28 12:12:58 UTC (rev 
7074)
@@ -101,6 +101,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -313,6 +314,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -380,6 +382,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -442,6 +445,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -492,6 +496,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -590,6 +595,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -666,6 +672,7 @@
 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4];
 $result_trees{'cpp_lines'}{'contents'}[0]{'contents'}[4]{'parent'} = 
$result_trees{'cpp_lines'}{'contents'}[0];
@@ -701,6 +708,7 @@
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9];
 $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[9]{'parent'} = 
$result_trees{'cpp_lines'}{'contents'}[1];
@@ -711,6 +719,7 @@
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'contents'}[1]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13];
 $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[13]{'parent'} = 
$result_trees{'cpp_lines'}{'contents'}[1];
@@ -720,6 +729,7 @@
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'contents'}[1]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17];
 $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[17]{'parent'} = 
$result_trees{'cpp_lines'}{'contents'}[1];
@@ -727,6 +737,7 @@
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'contents'}[1]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19];
 $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[19]{'parent'} = 
$result_trees{'cpp_lines'}{'contents'}[1];
@@ -741,6 +752,7 @@
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'args'}[0];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23];
 
$result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'parent'}
 = $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23];
 $result_trees{'cpp_lines'}{'contents'}[1]{'contents'}[23]{'parent'} = 
$result_trees{'cpp_lines'}{'contents'}[1];

Modified: trunk/tp/t/results/indices/image_lines_count.pl
===================================================================
--- trunk/tp/t/results/indices/image_lines_count.pl     2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/indices/image_lines_count.pl     2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -69,6 +69,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -227,6 +228,7 @@
 
$result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 $result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'image_lines_count'}{'contents'}[1];
 $result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'image_lines_count'}{'contents'}[1];
 $result_trees{'image_lines_count'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'image_lines_count'}{'contents'}[1];

Modified: trunk/tp/t/results/indices/image_text_lines_count.pl
===================================================================
--- trunk/tp/t/results/indices/image_text_lines_count.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/indices/image_text_lines_count.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -69,6 +69,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -227,6 +228,7 @@
 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'image_text_lines_count'}{'contents'}[1];
 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'image_text_lines_count'}{'contents'}[1];
 
$result_trees{'image_text_lines_count'}{'contents'}[1]{'contents'}[3]{'parent'} 
= $result_trees{'image_text_lines_count'}{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/anchor_and_spaces.pl
===================================================================
--- trunk/tp/t/results/info_tests/anchor_and_spaces.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/anchor_and_spaces.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -116,6 +116,7 @@
             ],
             'normalized' => 'anchor-0',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -170,6 +171,7 @@
                 ],
                 'normalized' => 'anchor1',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -228,6 +230,7 @@
                 ],
                 'normalized' => 'anchor2',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -285,6 +288,7 @@
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'anchor_and_spaces'}{'contents'}[2];
 $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'anchor_and_spaces'}{'contents'}[2];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3];
@@ -292,6 +296,7 @@
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3];
 $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[3]{'parent'} = 
$result_trees{'anchor_and_spaces'}{'contents'}[2];
@@ -301,6 +306,7 @@
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5];
 $result_trees{'anchor_and_spaces'}{'contents'}[2]{'contents'}[5]{'parent'} = 
$result_trees{'anchor_and_spaces'}{'contents'}[2];

Modified: trunk/tp/t/results/info_tests/anchor_in_command.pl
===================================================================
--- trunk/tp/t/results/info_tests/anchor_in_command.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/anchor_in_command.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -157,6 +157,7 @@
                                 ],
                                 'normalized' => 'anchor-in-emph',
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -245,6 +246,7 @@
 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0];
 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7];
 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'anchor_in_command'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[1]{'line_nr'};

Modified: trunk/tp/t/results/info_tests/before_node_and_section.pl
===================================================================
--- trunk/tp/t/results/info_tests/before_node_and_section.pl    2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/before_node_and_section.pl    2016-03-28 
12:12:58 UTC (rev 7074)
@@ -97,6 +97,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -241,6 +242,7 @@
                 ],
                 'normalized' => 'anchor1',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -536,6 +538,7 @@
                   'normalized' => 'anchor1'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -862,6 +865,7 @@
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'extra'}{'label'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'extra'}{'label'}{'parent'}
 = $result_trees{'before_node_and_section'};
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[4];
@@ -887,6 +891,7 @@
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'extra'}{'node_content'}[0]
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'args'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9]{'parent'}
 = $result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'parent'}
 = $result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'before_node_and_section'}{'contents'}[0];
@@ -941,6 +946,7 @@
 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'extra'}{'label'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[0]{'contents'}[0]{'contents'}[9];
 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'args'}[0];
 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[1]{'line_nr'};
 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[5]{'parent'}
 = $result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2];
 
$result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2]{'contents'}[6]{'parent'}
 = $result_trees{'before_node_and_section'}{'contents'}[2]{'contents'}[2];

Modified: trunk/tp/t/results/info_tests/center_flush.pl
===================================================================
--- trunk/tp/t/results/info_tests/center_flush.pl       2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/center_flush.pl       2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -166,6 +166,7 @@
                 ],
                 'normalized' => 'anchor-in-flushleft',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -362,6 +363,7 @@
                 ],
                 'normalized' => 'anchor-in-flushright',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -413,6 +415,7 @@
                 ],
                 'normalized' => 'second-anchor-in-flushright',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -521,6 +524,7 @@
 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1];
 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'args'}[0];
 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[1]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[2]{'contents'}[8];
 
$result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'contents'}[3]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[2]{'contents'}[8];
 $result_trees{'center_flush'}{'contents'}[2]{'contents'}[8]{'parent'} = 
$result_trees{'center_flush'}{'contents'}[2];
@@ -555,6 +559,7 @@
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'args'}[0];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[1]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[3]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[4]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8];
@@ -562,6 +567,7 @@
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'args'}[0];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[5]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8];
 
$result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'contents'}[7]{'parent'}
 = $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8];
 $result_trees{'center_flush'}{'contents'}[4]{'contents'}[8]{'parent'} = 
$result_trees{'center_flush'}{'contents'}[4];

Modified: trunk/tp/t/results/info_tests/file_only_png.pl
===================================================================
--- trunk/tp/t/results/info_tests/file_only_png.pl      2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/file_only_png.pl      2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -75,6 +75,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -112,6 +113,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -163,11 +165,13 @@
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'file_only_png'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/image_and_punctuation.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_and_punctuation.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/image_and_punctuation.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -75,6 +75,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -129,6 +130,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -184,6 +186,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -238,6 +241,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -292,6 +296,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -347,6 +352,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -402,6 +408,7 @@
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1];
 $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'image_and_punctuation'}{'contents'}[1];
@@ -410,6 +417,7 @@
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3];
 $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[3]{'parent'} 
= $result_trees{'image_and_punctuation'}{'contents'}[1];
@@ -418,6 +426,7 @@
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5];
 $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[5]{'parent'} 
= $result_trees{'image_and_punctuation'}{'contents'}[1];
@@ -426,6 +435,7 @@
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7];
 $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[7]{'parent'} 
= $result_trees{'image_and_punctuation'}{'contents'}[1];
@@ -434,6 +444,7 @@
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9];
 $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[9]{'parent'} 
= $result_trees{'image_and_punctuation'}{'contents'}[1];
@@ -442,6 +453,7 @@
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11];
 
$result_trees{'image_and_punctuation'}{'contents'}[1]{'contents'}[11]{'parent'} 
= $result_trees{'image_and_punctuation'}{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/image_and_spaces_formatting.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_and_spaces_formatting.pl        
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/image_and_spaces_formatting.pl        
2016-03-28 12:12:58 UTC (rev 7074)
@@ -69,6 +69,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -106,6 +107,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -139,6 +141,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -172,6 +175,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -205,6 +209,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -238,6 +243,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -271,6 +277,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -317,6 +324,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -354,6 +362,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -387,6 +396,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -420,6 +430,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -453,6 +464,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -486,6 +498,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -519,6 +532,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -569,6 +583,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -606,6 +621,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -639,6 +655,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -672,6 +689,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -705,6 +723,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -738,6 +757,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -771,6 +791,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -821,6 +842,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -875,6 +897,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -929,6 +952,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -966,6 +990,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1022,41 +1047,48 @@
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[8]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[9]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[10]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'args'}[0]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[11]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[12]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'args'}[0]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[13]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[14]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
@@ -1065,41 +1097,48 @@
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[3]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[4]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[5]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[6]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[7]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[8]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[9]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[10]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[11]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[12]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[13]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16]{'contents'}[14]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[16];
@@ -1109,41 +1148,48 @@
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[3]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[4]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[5]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[6]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[7]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[8]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[9]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[10]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[11]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[12]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[13]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18]{'contents'}[14]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[18];
@@ -1153,6 +1199,7 @@
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[20]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
@@ -1161,6 +1208,7 @@
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[22]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1];
@@ -1169,11 +1217,13 @@
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[2]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'args'}[0];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[1]{'line_nr'};
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[3]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24];
 
$result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24]{'contents'}[4]{'parent'}
 = $result_trees{'image_and_spaces_formatting'}{'contents'}[1]{'contents'}[24];

Modified: trunk/tp/t/results/info_tests/image_extension.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_extension.pl    2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/image_extension.pl    2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -100,6 +100,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -169,6 +170,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -238,6 +240,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -294,6 +297,7 @@
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[0];
+$result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 $result_trees{'image_extension'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'image_extension'}{'contents'}[1];
 $result_trees{'image_extension'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'image_extension'}{'contents'}[1];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'args'}[0];
@@ -305,6 +309,7 @@
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'args'}[4]{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 $result_trees{'image_extension'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'image_extension'}{'contents'}[1];
 $result_trees{'image_extension'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'image_extension'}{'contents'}[1];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'args'}[0];
@@ -316,6 +321,7 @@
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'args'}[4]{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'args'}[4]{'contents'}[0];
+$result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 $result_trees{'image_extension'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'image_extension'}{'contents'}[1];
 $result_trees{'image_extension'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'image_extension'}{'contents'}[1];
 $result_trees{'image_extension'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'image_extension'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/image_file_search.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_file_search.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/image_file_search.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -122,6 +122,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -181,6 +182,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -242,6 +244,7 @@
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'parent'}
 = $result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'contents'}[3]{'parent'}
 = $result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4];
 $result_trees{'image_file_search'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'image_file_search'}{'contents'}[1];
@@ -251,6 +254,7 @@
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'parent'}
 = $result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'contents'}[3]{'parent'}
 = $result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6];
 $result_trees{'image_file_search'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'image_file_search'}{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/image_in_paragraph.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_in_paragraph.pl 2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/image_in_paragraph.pl 2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -101,6 +101,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -161,6 +162,7 @@
 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1];
 $result_trees{'image_in_paragraph'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'image_in_paragraph'}{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/image_not_found.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_not_found.pl    2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/image_not_found.pl    2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -63,6 +63,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -112,6 +113,7 @@
 
$result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'image_not_found'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'image_not_found'}{'contents'}[1];
 $result_trees{'image_not_found'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'image_not_found'}{'contents'}[1];
 $result_trees{'image_not_found'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'image_not_found'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/image_quotes.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_quotes.pl       2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/image_quotes.pl       2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -94,6 +94,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -149,6 +150,7 @@
 
$result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 $result_trees{'image_quotes'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'image_quotes'}{'contents'}[1];
 $result_trees{'image_quotes'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'image_quotes'}{'contents'}[1];
 $result_trees{'image_quotes'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'image_quotes'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/image_text_encoded.pl
===================================================================
--- trunk/tp/t/results/info_tests/image_text_encoded.pl 2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/info_tests/image_text_encoded.pl 2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -76,6 +76,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -106,6 +107,7 @@
 
$result_trees{'image_text_encoded'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'image_text_encoded'}{'contents'}[2]{'args'}[0];
 $result_trees{'image_text_encoded'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'image_text_encoded'}{'contents'}[2];
 
$result_trees{'image_text_encoded'}{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = $result_trees{'image_text_encoded'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'image_text_encoded'}{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_text_encoded'}{'contents'}[2]{'args'}[0];
 $result_trees{'image_text_encoded'}{'contents'}[2]{'parent'} = 
$result_trees{'image_text_encoded'};
 $result_trees{'image_text_encoded'}{'contents'}[3]{'parent'} = 
$result_trees{'image_text_encoded'};
 

Modified: trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl
===================================================================
--- trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl       
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl       
2016-03-28 12:12:58 UTC (rev 7074)
@@ -684,6 +684,7 @@
                   'normalized' => 'nodename_002e-a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -762,6 +763,7 @@
                   'normalized' => 'node_002ccomma'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -821,6 +823,7 @@
                   'normalized' => 'bidule_003a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -986,6 +989,7 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[2];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1];
@@ -1005,6 +1009,7 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1];
@@ -1015,6 +1020,7 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[4];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/invalid_node_name_warning.pl
===================================================================
--- trunk/tp/t/results/info_tests/invalid_node_name_warning.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/invalid_node_name_warning.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -684,6 +684,7 @@
                   'normalized' => 'nodename_002e-a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -762,6 +763,7 @@
                   'normalized' => 'node_002ccomma'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -821,6 +823,7 @@
                   'normalized' => 'bidule_003a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -986,6 +989,7 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[2];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1];
@@ -1005,6 +1009,7 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[2]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2];
+$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1];
@@ -1015,6 +1020,7 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[4];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/multiline_image_and_align.pl
===================================================================
--- trunk/tp/t/results/info_tests/multiline_image_and_align.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/multiline_image_and_align.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -41,6 +41,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -117,6 +118,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -194,6 +196,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -271,6 +274,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -356,6 +360,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -410,6 +415,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -447,6 +453,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -498,6 +505,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -657,6 +665,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -779,6 +788,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -902,6 +912,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1025,6 +1036,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1156,6 +1168,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1256,6 +1269,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1339,6 +1353,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1436,6 +1451,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1517,6 +1533,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0];
 $result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[0];
@@ -1531,6 +1548,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0];
 $result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[2];
@@ -1546,6 +1564,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0];
 $result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[4];
@@ -1561,6 +1580,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0];
@@ -1578,6 +1598,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8];
@@ -1586,11 +1607,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'line_nr'};
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[4]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
@@ -1600,6 +1623,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8];
@@ -1626,6 +1650,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[10];
@@ -1646,6 +1671,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[12];
@@ -1667,6 +1693,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[14];
@@ -1688,6 +1715,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0];
@@ -1711,6 +1739,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18];
@@ -1725,6 +1754,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0];
@@ -1736,6 +1766,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'line_nr'};
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[4]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
@@ -1751,6 +1782,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18];

Modified: trunk/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl
===================================================================
--- trunk/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl  
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl  
2016-03-28 12:12:58 UTC (rev 7074)
@@ -412,6 +412,7 @@
                                 ],
                                 'normalized' => 'anchor-in-multitable',
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -892,6 +893,7 @@
                                 ],
                                 'normalized' => 'mark',
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -1119,6 +1121,7 @@
                   'normalized' => 'mark'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1164,6 +1167,7 @@
                   'normalized' => 'anchor-in-multitable'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1281,6 +1285,7 @@
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_after_command'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0];
@@ -1370,6 +1375,7 @@
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1];
@@ -1410,6 +1416,7 @@
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'extra'}{'label'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[0]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[1]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0];
@@ -1417,6 +1424,7 @@
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'extra'}{'label'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'args'}[0];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[2]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'contents'}[3]{'parent'}
 = 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'multitable_anchor_and_index_entry'}{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/nested_multitable_anchor_index.pl
===================================================================
--- trunk/tp/t/results/info_tests/nested_multitable_anchor_index.pl     
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/nested_multitable_anchor_index.pl     
2016-03-28 12:12:58 UTC (rev 7074)
@@ -239,6 +239,7 @@
                                                 ],
                                                 'normalized' => 'mark-inside',
                                                 'spaces_before_argument' => {
+                                                  'parent' => {},
                                                   'text' => '',
                                                   'type' => 
'empty_spaces_before_argument'
                                                 }
@@ -548,6 +549,7 @@
                                 ],
                                 'normalized' => 'mark',
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -805,6 +807,7 @@
                   'normalized' => 'mark'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -850,6 +853,7 @@
                   'normalized' => 'mark-inside'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -934,6 +938,7 @@
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
@@ -994,6 +999,7 @@
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3];
@@ -1045,6 +1051,7 @@
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'extra'}{'label'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
@@ -1052,6 +1059,7 @@
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'label'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'contents'}[3]{'parent'}
 = 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'nested_multitable_anchor_index'}{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'nested_multitable_anchor_index'}{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/novalidate_empty_refs.pl
===================================================================
--- trunk/tp/t/results/info_tests/novalidate_empty_refs.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/novalidate_empty_refs.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -108,6 +108,7 @@
                   'normalized' => ''
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -171,6 +172,7 @@
                   'normalized' => '-'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -382,6 +384,7 @@
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -390,6 +393,7 @@
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'novalidate_empty_refs'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/pxref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/pxref_test.pl 2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/info_tests/pxref_test.pl 2016-03-28 12:12:58 UTC (rev 
7074)
@@ -90,6 +90,7 @@
                   'normalized' => 'in-pxref'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -159,6 +160,7 @@
                   'normalized' => 'in-pxref'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -208,6 +210,7 @@
                   'normalized' => 'n'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -277,6 +280,7 @@
                   'normalized' => 'n'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -330,6 +334,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
@@ -340,6 +345,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
@@ -348,6 +354,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0];
@@ -358,6 +365,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'line_nr'};
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/ref_tests.pl
===================================================================
--- trunk/tp/t/results/info_tests/ref_tests.pl  2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/info_tests/ref_tests.pl  2016-03-28 12:12:58 UTC (rev 
7074)
@@ -93,6 +93,7 @@
                   'normalized' => 'in-ref-followed-by-comma'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -146,6 +147,7 @@
                   'normalized' => 'in-ref-not-followed-by-comma'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -203,6 +205,7 @@
                           'normalized' => 'in-ref-followed-by-end-command'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -301,6 +304,7 @@
                   'normalized' => 'in-ref-followed-by-comma'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -371,6 +375,7 @@
                   'normalized' => 'in-ref-not-followed-by-comma'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -445,6 +450,7 @@
                           'normalized' => 'in-ref-followed-by-end-command'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -525,6 +531,7 @@
                   'normalized' => 'in-ref-ending-with-a-dot_002e'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -588,6 +595,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -595,6 +603,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -602,6 +611,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
@@ -618,6 +628,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
@@ -628,6 +639,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[3]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -638,6 +650,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
@@ -651,6 +664,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[7]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4];
 $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'ref_tests'}{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/test_index.pl
===================================================================
--- trunk/tp/t/results/info_tests/test_index.pl 2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/info_tests/test_index.pl 2016-03-28 12:12:58 UTC (rev 
7074)
@@ -145,6 +145,7 @@
                     ],
                     'normalized' => 'a-counting-anchor',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -334,6 +335,7 @@
                   'normalized' => 'a-counting-anchor'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -3786,6 +3788,7 @@
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'};
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'args'}[0];
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'args'}[0];
@@ -3819,6 +3822,7 @@
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'args'}[0]{'contents'}[0];
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}{'parent'}
 = $result_trees{'test_index'};
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'test_index'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'test_index'}{'contents'}[2]{'contents'}[1];
 $result_trees{'test_index'}{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'test_index'}{'contents'}[2];

Modified: trunk/tp/t/results/info_tests/top_node_normalization.pl
===================================================================
--- trunk/tp/t/results/info_tests/top_node_normalization.pl     2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/info_tests/top_node_normalization.pl     2016-03-28 
12:12:58 UTC (rev 7074)
@@ -78,6 +78,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -122,6 +123,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -302,6 +304,7 @@
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'top_node_normalization'}{'contents'}[1];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -309,6 +312,7 @@
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'top_node_normalization'}{'contents'}[1];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'top_node_normalization'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/xref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/xref_test.pl  2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/info_tests/xref_test.pl  2016-03-28 12:12:58 UTC (rev 
7074)
@@ -93,6 +93,7 @@
                   'normalized' => 'in-xref'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -145,6 +146,7 @@
                   'normalized' => 'bad-xref'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -198,6 +200,7 @@
                           'normalized' => 'bad-nested-xref'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -278,6 +281,7 @@
                   'normalized' => 'in-ref-ending-with-a-dot_002e'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -331,6 +335,7 @@
                   'normalized' => 'in-ref-followed-by-symbol'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -388,6 +393,7 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -395,6 +401,7 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
@@ -403,6 +410,7 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'line_nr'};
@@ -416,6 +424,7 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
+$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'args'}[0];
@@ -423,6 +432,7 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'args'}[0];
+$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[8]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[9]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1];
 $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'xref_test'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/accents.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/accents.pl      2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/accents.pl      2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -160,6 +160,7 @@
                     ],
                     'normalized' => 'truc',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -214,6 +215,7 @@
 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'accents'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0];
 $result_trees{'accents'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'accents'}{'contents'}[2]{'contents'}[3];

Modified: trunk/tp/t/results/invalid_nestings/center.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/center.pl       2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/center.pl       2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -62,6 +62,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -99,6 +100,7 @@
                 ],
                 'normalized' => 'in-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1766,6 +1768,7 @@
 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'} = 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'center'}{'contents'}[0]{'args'}[0];
 $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'} = 
$result_trees{'center'}{'contents'}[0]{'args'}[0];
@@ -1773,6 +1776,7 @@
 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0];
 $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'line_nr'} = 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'parent'} = 
$result_trees{'center'}{'contents'}[0]{'args'}[0];
 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'center'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -142,6 +142,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -199,6 +200,7 @@
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1];
 $result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'footnote_in_ref'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2016-03-28 
12:12:58 UTC (rev 7074)
@@ -137,6 +137,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -204,6 +205,7 @@
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'extra'}{'spaces_after_command'};
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'ignore_in_xref'}{'contents'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1];
 $result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'ignore_in_xref'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/in_errormsg.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/in_errormsg.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/in_errormsg.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -39,6 +39,7 @@
         ],
         'normalized' => 'in-ref',
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -92,6 +93,7 @@
                     ],
                     'normalized' => 'in-anchor',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -137,6 +139,7 @@
                       'normalized' => 'in-ref'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -160,6 +163,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -187,6 +191,7 @@
         {
           'contents' => [
             {
+              'parent' => {},
               'text' => '
 ',
               'type' => 'empty_spaces_before_argument'
@@ -361,29 +366,34 @@
 $result_trees{'in_errormsg'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'in_errormsg'}{'contents'}[1];
 
$result_trees{'in_errormsg'}{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = $result_trees{'in_errormsg'}{'contents'}[1]{'args'}[0]{'contents'}[0];
 $result_trees{'in_errormsg'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'in_errormsg'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'in_errormsg'}{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'in_errormsg'}{'contents'}[1]{'args'}[0];
 $result_trees{'in_errormsg'}{'contents'}[1]{'parent'} = 
$result_trees{'in_errormsg'};
 $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'in_errormsg'}{'contents'}[3];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'extra'}{'label'}
 = $result_trees{'in_errormsg'}{'contents'}[1];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[2];
+$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0];
 $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'line_nr'} = 
$result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'line_nr'};
 $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'in_errormsg'}{'contents'}[3];
 $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'in_errormsg'}{'contents'}[3];
 $result_trees{'in_errormsg'}{'contents'}[3]{'parent'} = 
$result_trees{'in_errormsg'};
 $result_trees{'in_errormsg'}{'contents'}[4]{'parent'} = 
$result_trees{'in_errormsg'};
+$result_trees{'in_errormsg'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'in_errormsg'}{'contents'}[5]{'args'}[0];
 $result_trees{'in_errormsg'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'in_errormsg'}{'contents'}[5];
 $result_trees{'in_errormsg'}{'contents'}[5]{'extra'}{'spaces_before_argument'} 
= $result_trees{'in_errormsg'}{'contents'}[5]{'args'}[0]{'contents'}[0];
 $result_trees{'in_errormsg'}{'contents'}[5]{'parent'} = 
$result_trees{'in_errormsg'};

Modified: trunk/tp/t/results/invalid_nestings/in_table.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/in_table.pl     2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/in_table.pl     2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -249,6 +249,7 @@
                                   ]
                                 ],
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -286,6 +287,7 @@
                                 ],
                                 'normalized' => 'in-anchor',
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -512,6 +514,7 @@
                                   undef
                                 ],
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -1356,6 +1359,7 @@
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0];
@@ -1363,6 +1367,7 @@
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[5]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
@@ -1412,6 +1417,7 @@
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'extra'}{'misc_content'}[0]
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/item_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -156,6 +156,7 @@
                           undef
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -315,6 +316,7 @@
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/on_block_command_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_block_command_line.pl        
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/on_block_command_line.pl        
2016-03-28 12:12:58 UTC (rev 7074)
@@ -47,6 +47,7 @@
                     ],
                     'normalized' => 'in-anchor',
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -89,6 +90,7 @@
                 ],
                 'invalid_nesting' => 1,
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -145,6 +147,7 @@
                           ]
                         ],
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -317,6 +320,7 @@
                 ],
                 'invalid_nesting' => 1,
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -355,6 +359,7 @@
                 ],
                 'normalized' => 'in-quotation-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -514,12 +519,14 @@
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_block_command_line'}{'contents'}[0]{'args'}[0];
@@ -529,6 +536,7 @@
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_after_command'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'contents'}[0];
@@ -563,6 +571,7 @@
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0];
@@ -570,6 +579,7 @@
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0];
 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_block_command_line'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/on_def_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_def_line.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/on_def_line.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -51,6 +51,7 @@
                         ],
                         'normalized' => 'in-anchor',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -94,6 +95,7 @@
                     ],
                     'invalid_nesting' => 1,
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -296,6 +298,7 @@
                         ],
                         'normalized' => 'in-anchorx',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -339,6 +342,7 @@
                     ],
                     'invalid_nesting' => 1,
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -560,6 +564,7 @@
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0];
@@ -567,6 +572,7 @@
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_def_line'}{'contents'}[0]{'contents'}[0]{'args'}[0];
@@ -605,6 +611,7 @@
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
@@ -612,6 +619,7 @@
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_def_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];

Modified: trunk/tp/t/results/invalid_nestings/on_index_entry_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_index_entry_line.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/on_index_entry_line.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -63,6 +63,7 @@
                 ],
                 'invalid_nesting' => 1,
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -101,6 +102,7 @@
                 ],
                 'normalized' => 'in-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -231,6 +233,7 @@
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0];
@@ -238,6 +241,7 @@
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_index_entry_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/on_itemize_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_itemize_line.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/on_itemize_line.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -63,6 +63,7 @@
                 ],
                 'invalid_nesting' => 1,
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -101,6 +102,7 @@
                 ],
                 'normalized' => 'in-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -401,6 +403,7 @@
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0];
@@ -408,6 +411,7 @@
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_itemize_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/on_node_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_node_line.pl 2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/on_node_line.pl 2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -104,6 +104,7 @@
                   'normalized' => 'a'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -167,6 +168,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -205,6 +207,7 @@
                 ],
                 'normalized' => 'in-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -341,6 +344,7 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0];
 $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'on_node_line'}{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
@@ -349,6 +353,7 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'manual_content'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
@@ -356,6 +361,7 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/on_section_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_section_line.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/on_section_line.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -72,6 +72,7 @@
                 ],
                 'invalid_nesting' => 1,
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -110,6 +111,7 @@
                 ],
                 'normalized' => 'in-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -232,6 +234,7 @@
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_section_line'}{'contents'}[1]{'args'}[0];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'on_section_line'}{'contents'}[1]{'args'}[0];
@@ -239,6 +242,7 @@
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'on_section_line'}{'contents'}[1]{'args'}[0];
 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_section_line'}{'contents'}[1]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/on_subheading_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_subheading_line.pl   2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/on_subheading_line.pl   2016-03-28 
12:12:58 UTC (rev 7074)
@@ -67,6 +67,7 @@
                 ],
                 'invalid_nesting' => 1,
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -105,6 +106,7 @@
                 ],
                 'normalized' => 'in-anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -224,6 +226,7 @@
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0];
@@ -231,6 +234,7 @@
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'extra'}{'node_content'}[0]
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0];
 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_subheading_line'}{'contents'}[0]{'args'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2016-03-28 
12:12:58 UTC (rev 7074)
@@ -82,6 +82,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -221,6 +222,7 @@
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1];
 $result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'quotation_in_ref'}{'contents'}[1];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/invalid_nestings/ref_in_anchor.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/ref_in_anchor.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/ref_in_anchor.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -79,6 +79,7 @@
                       'normalized' => 'Top'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -110,6 +111,7 @@
             ],
             'normalized' => 'TOP-Top',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -157,12 +159,14 @@
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'ref_in_anchor'}{'contents'}[1];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'extra'}{'node_content'}[1]
 = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'line_nr'} = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'ref_in_anchor'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'ref_in_anchor'}{'contents'}[1];
 $result_trees{'ref_in_anchor'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'ref_in_anchor'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/ref_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/ref_in_ref.pl   2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/invalid_nestings/ref_in_ref.pl   2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -77,6 +77,7 @@
                           'normalized' => 'Top'
                         },
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -109,6 +110,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -155,11 +157,13 @@
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'ref_in_ref'}{'contents'}[1];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'extra'}{'label'}
 = $result_trees{'ref_in_ref'}{'contents'}[1];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0];
 $result_trees{'ref_in_ref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'ref_in_ref'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -82,6 +82,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -188,6 +189,7 @@
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1];
 $result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'verbatim_in_ref'}{'contents'}[1];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/languages/multiple_lang_chapters.pl
===================================================================
--- trunk/tp/t/results/languages/multiple_lang_chapters.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/languages/multiple_lang_chapters.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -712,6 +712,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1089,6 +1090,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1927,6 +1929,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2092,6 +2095,7 @@
 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[4]{'contents'}[1]{'parent'} 
= $result_trees{'multiple_lang_chapters'}{'contents'}[4];
@@ -2155,6 +2159,7 @@
 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[6]{'contents'}[1]{'parent'} 
= $result_trees{'multiple_lang_chapters'}{'contents'}[6];
@@ -2297,6 +2302,7 @@
 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters'}{'contents'}[12]{'contents'}[1]{'parent'}
 = $result_trees{'multiple_lang_chapters'}{'contents'}[12];

Modified: trunk/tp/t/results/languages/multiple_lang_chapters_texi2html.pl
===================================================================
--- trunk/tp/t/results/languages/multiple_lang_chapters_texi2html.pl    
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/languages/multiple_lang_chapters_texi2html.pl    
2016-03-28 12:12:58 UTC (rev 7074)
@@ -712,6 +712,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1089,6 +1090,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1927,6 +1929,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -2092,6 +2095,7 @@
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[4];
@@ -2155,6 +2159,7 @@
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6]{'contents'}[1]{'parent'}
 = $result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[6];
@@ -2297,6 +2302,7 @@
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1];
 
$result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12]{'contents'}[1]{'parent'}
 = $result_trees{'multiple_lang_chapters_texi2html'}{'contents'}[12];

Modified: trunk/tp/t/results/languages/unknown_language.pl
===================================================================
--- trunk/tp/t/results/languages/unknown_language.pl    2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/languages/unknown_language.pl    2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -177,6 +177,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -283,6 +284,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -351,6 +353,7 @@
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'unknown_language'}{'contents'}[1];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1];
 $result_trees{'unknown_language'}{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'unknown_language'}{'contents'}[2];
@@ -369,6 +372,7 @@
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'unknown_language'}{'contents'}[1];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5];
 $result_trees{'unknown_language'}{'contents'}[2]{'contents'}[5]{'parent'} = 
$result_trees{'unknown_language'}{'contents'}[2];

Modified: trunk/tp/t/results/macro/ignored_macro_definition.pl
===================================================================
--- trunk/tp/t/results/macro/ignored_macro_definition.pl        2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/macro/ignored_macro_definition.pl        2016-03-28 
12:12:58 UTC (rev 7074)
@@ -168,6 +168,7 @@
             ],
             'format' => 'tex',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -233,6 +234,7 @@
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[2];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[2]{'extra'}{'spaces_after_command'};
+$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ignored_macro_definition'}{'contents'}[4];
 
$result_trees{'ignored_macro_definition'}{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'ignored_macro_definition'}{'contents'}[4];
 $result_trees{'ignored_macro_definition'}{'contents'}[4]{'parent'} = 
$result_trees{'ignored_macro_definition'};

Modified: trunk/tp/t/results/macro/macro_in_brace_command.pl
===================================================================
--- trunk/tp/t/results/macro/macro_in_brace_command.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/macro/macro_in_brace_command.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -190,6 +190,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -311,6 +312,7 @@
 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][2]
 = 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2];
+$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1];
 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1];
 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'macro_in_brace_command'}{'contents'}[6]{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/menu/formats_in_menu.pl
===================================================================
--- trunk/tp/t/results/menu/formats_in_menu.pl  2016-03-28 11:44:35 UTC (rev 
7073)
+++ trunk/tp/t/results/menu/formats_in_menu.pl  2016-03-28 12:12:58 UTC (rev 
7074)
@@ -606,6 +606,7 @@
                             ],
                             'normalized' => 
'description-_002a-acronym_003a_003a',
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -943,6 +944,7 @@
 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0];
 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0];
 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0];
 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'formats_in_menu'}{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[3];

Modified: trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
===================================================================
--- trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2016-03-28 
12:12:58 UTC (rev 7074)
@@ -192,6 +192,7 @@
                             ],
                             'format' => 'html',
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -358,6 +359,7 @@
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][1]
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][2]
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3];
+$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];

Modified: trunk/tp/t/results/menu/menu_pointing_to_anchor.pl
===================================================================
--- trunk/tp/t/results/menu/menu_pointing_to_anchor.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/menu/menu_pointing_to_anchor.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -139,6 +139,7 @@
             ],
             'normalized' => 'An-anchor',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -324,6 +325,7 @@
 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'args'}[0];
 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'menu_pointing_to_anchor'}{'contents'}[2];
 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[5]{'parent'}
 = $result_trees{'menu_pointing_to_anchor'}{'contents'}[2];
 
$result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[6]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'menu_pointing_to_anchor'}{'contents'}[2]{'contents'}[6];

Modified: trunk/tp/t/results/misc_commands/ref_in_center.pl
===================================================================
--- trunk/tp/t/results/misc_commands/ref_in_center.pl   2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/misc_commands/ref_in_center.pl   2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -88,6 +88,7 @@
                       'normalized' => 'Top'
                     },
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -182,6 +183,7 @@
                       undef
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -258,6 +260,7 @@
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'label'}
 = $result_trees{'ref_in_center'}{'contents'}[1];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[1];
@@ -274,6 +277,7 @@
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'extra'}{'misc_content'}[0]
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/misc_commands/test_allowcodebreaks.pl
===================================================================
--- trunk/tp/t/results/misc_commands/test_allowcodebreaks.pl    2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/misc_commands/test_allowcodebreaks.pl    2016-03-28 
12:12:58 UTC (rev 7074)
@@ -541,6 +541,7 @@
                         ],
                         'normalized' => 'A-node0',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -1050,6 +1051,7 @@
                         ],
                         'normalized' => 'A-node1',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -1522,6 +1524,7 @@
                                 ],
                                 'normalized' => 'A-nodew',
                                 'spaces_before_argument' => {
+                                  'parent' => {},
                                   'text' => '',
                                   'type' => 'empty_spaces_before_argument'
                                 }
@@ -2064,6 +2067,7 @@
                         ],
                         'normalized' => 'A-node2',
                         'spaces_before_argument' => {
+                          'parent' => {},
                           'text' => '',
                           'type' => 'empty_spaces_before_argument'
                         }
@@ -2317,6 +2321,7 @@
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'node_content'}[0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
+$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'line_nr'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[1]{'line_nr'};
@@ -2413,6 +2418,7 @@
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'node_content'}[0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
+$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'line_nr'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[12]{'contents'}[20]{'args'}[0]{'contents'}[1]{'line_nr'};
@@ -2502,6 +2508,7 @@
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'extra'}{'node_content'}[0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
+$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'line_nr'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[16]{'contents'}[1]{'args'}[0]{'contents'}[19]{'args'}[0]{'contents'}[1]{'line_nr'};
@@ -2604,6 +2611,7 @@
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'node_content'}[0]
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
+$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'parent'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20];
 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'line_nr'}
 = 
$result_trees{'test_allowcodebreaks'}{'contents'}[1]{'contents'}[21]{'contents'}[20]{'args'}[0]{'contents'}[1]{'line_nr'};

Modified: trunk/tp/t/results/multitable/ref_in_multitable.pl
===================================================================
--- trunk/tp/t/results/multitable/ref_in_multitable.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/multitable/ref_in_multitable.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -68,6 +68,7 @@
               'normalized' => 
'XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XX'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -239,6 +240,7 @@
                               'normalized' => 
'RRR-RRR-RRR-RRR-RRR-RRR-RRR-RRR-RRR-RRRR'
                             },
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -356,6 +358,7 @@
                               'normalized' => 
'SSS-SSS-SSS-SSS-SSS-SSS-SSS-SSS-SSS-SSS-SSS-SSS-SSSSS'
                             },
                             'spaces_before_argument' => {
+                              'parent' => {},
                               'text' => '',
                               'type' => 'empty_spaces_before_argument'
                             }
@@ -452,6 +455,7 @@
                                           'normalized' => 
'XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XX'
                                         },
                                         'spaces_before_argument' => {
+                                          'parent' => {},
                                           'text' => '',
                                           'type' => 
'empty_spaces_before_argument'
                                         }
@@ -641,6 +645,7 @@
               'normalized' => 
'XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XXX-XX'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -674,6 +679,7 @@
 
$result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'args'}[0];
 $result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'ref_in_multitable'}{'contents'}[2];
 $result_trees{'ref_in_multitable'}{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'ref_in_multitable'}{'contents'}[2];
 $result_trees{'ref_in_multitable'}{'contents'}[2]{'parent'} = 
$result_trees{'ref_in_multitable'};
@@ -701,6 +707,7 @@
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'contents'}[1];
@@ -721,6 +728,7 @@
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[1]{'contents'}[1];
@@ -738,6 +746,7 @@
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_multitable'}{'contents'}[4]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'contents'}[1];
@@ -778,6 +787,7 @@
 
$result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[1]
 = 
$result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1];
+$result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 $result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[0]{'parent'} = 
$result_trees{'ref_in_multitable'}{'contents'}[6];
 $result_trees{'ref_in_multitable'}{'contents'}[6]{'contents'}[1]{'parent'} = 
$result_trees{'ref_in_multitable'}{'contents'}[6];
 $result_trees{'ref_in_multitable'}{'contents'}[6]{'parent'} = 
$result_trees{'ref_in_multitable'};

Modified: trunk/tp/t/results/paragraph/close_paragraph_command.pl
===================================================================
--- trunk/tp/t/results/paragraph/close_paragraph_command.pl     2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/paragraph/close_paragraph_command.pl     2016-03-28 
12:12:58 UTC (rev 7074)
@@ -39,6 +39,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -137,6 +138,7 @@
 
$result_trees{'close_paragraph_command'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'close_paragraph_command'}{'contents'}[1]{'args'}[0];
 $result_trees{'close_paragraph_command'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'close_paragraph_command'}{'contents'}[1];
 
$result_trees{'close_paragraph_command'}{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'close_paragraph_command'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'close_paragraph_command'}{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'close_paragraph_command'}{'contents'}[1]{'args'}[0];
 $result_trees{'close_paragraph_command'}{'contents'}[1]{'parent'} = 
$result_trees{'close_paragraph_command'};
 
$result_trees{'close_paragraph_command'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'close_paragraph_command'}{'contents'}[2];
 $result_trees{'close_paragraph_command'}{'contents'}[2]{'parent'} = 
$result_trees{'close_paragraph_command'};

Modified: trunk/tp/t/results/paragraph/image_in_paragraph.pl
===================================================================
--- trunk/tp/t/results/paragraph/image_in_paragraph.pl  2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/paragraph/image_in_paragraph.pl  2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -87,6 +87,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -126,6 +127,7 @@
 
$result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
+$result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'image_in_paragraph'}{'contents'}[0];
 $result_trees{'image_in_paragraph'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'image_in_paragraph'}{'contents'}[0];
 $result_trees{'image_in_paragraph'}{'contents'}[0]{'parent'} = 
$result_trees{'image_in_paragraph'};

Modified: trunk/tp/t/results/paragraph/no_paragraph_commands.pl
===================================================================
--- trunk/tp/t/results/paragraph/no_paragraph_commands.pl       2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/paragraph/no_paragraph_commands.pl       2016-03-28 
12:12:58 UTC (rev 7074)
@@ -38,6 +38,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -128,6 +129,7 @@
           ]
         ],
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -152,6 +154,7 @@
 
$result_trees{'no_paragraph_commands'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'no_paragraph_commands'}{'contents'}[2]{'args'}[0];
 $result_trees{'no_paragraph_commands'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'no_paragraph_commands'}{'contents'}[2];
 
$result_trees{'no_paragraph_commands'}{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'no_paragraph_commands'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'no_paragraph_commands'}{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'no_paragraph_commands'}{'contents'}[2]{'args'}[0];
 $result_trees{'no_paragraph_commands'}{'contents'}[2]{'parent'} = 
$result_trees{'no_paragraph_commands'};
 $result_trees{'no_paragraph_commands'}{'contents'}[3]{'parent'} = 
$result_trees{'no_paragraph_commands'};
 
$result_trees{'no_paragraph_commands'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'no_paragraph_commands'}{'contents'}[4]{'args'}[0];
@@ -169,6 +172,7 @@
 
$result_trees{'no_paragraph_commands'}{'contents'}[4]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'no_paragraph_commands'}{'contents'}[4]{'args'}[2]{'contents'}[0];
 
$result_trees{'no_paragraph_commands'}{'contents'}[4]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'no_paragraph_commands'}{'contents'}[4]{'args'}[3]{'contents'}[0];
 
$result_trees{'no_paragraph_commands'}{'contents'}[4]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'no_paragraph_commands'}{'contents'}[4]{'args'}[4]{'contents'}[0];
+$result_trees{'no_paragraph_commands'}{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'no_paragraph_commands'}{'contents'}[4]{'args'}[0];
 $result_trees{'no_paragraph_commands'}{'contents'}[4]{'parent'} = 
$result_trees{'no_paragraph_commands'};
 $result_trees{'no_paragraph_commands'}{'contents'}[5]{'parent'} = 
$result_trees{'no_paragraph_commands'};
 

Modified: trunk/tp/t/results/paragraph/paragraph_command.pl
===================================================================
--- trunk/tp/t/results/paragraph/paragraph_command.pl   2016-03-28 11:44:35 UTC 
(rev 7073)
+++ trunk/tp/t/results/paragraph/paragraph_command.pl   2016-03-28 12:12:58 UTC 
(rev 7074)
@@ -129,6 +129,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -179,6 +180,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -365,6 +367,7 @@
 
$result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 $result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[0]{'parent'} = 
$result_trees{'paragraph_command'}{'contents'}[6];
 $result_trees{'paragraph_command'}{'contents'}[6]{'contents'}[1]{'parent'} = 
$result_trees{'paragraph_command'}{'contents'}[6];
 $result_trees{'paragraph_command'}{'contents'}[6]{'parent'} = 
$result_trees{'paragraph_command'};
@@ -372,6 +375,7 @@
 
$result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 $result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[0]{'parent'} = 
$result_trees{'paragraph_command'}{'contents'}[8];
 $result_trees{'paragraph_command'}{'contents'}[8]{'contents'}[1]{'parent'} = 
$result_trees{'paragraph_command'}{'contents'}[8];
 $result_trees{'paragraph_command'}{'contents'}[8]{'parent'} = 
$result_trees{'paragraph_command'};

Modified: trunk/tp/t/results/plaintext_tests/U_with_utf8_enable_encoding.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/U_with_utf8_enable_encoding.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/U_with_utf8_enable_encoding.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -72,6 +72,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -105,6 +106,7 @@
 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1];
 
$result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1];
 $result_trees{'U_with_utf8_enable_encoding'}{'contents'}[1]{'parent'} = 
$result_trees{'U_with_utf8_enable_encoding'};

Modified: trunk/tp/t/results/plaintext_tests/anchor_and_empty_lines.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/anchor_and_empty_lines.pl        
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/anchor_and_empty_lines.pl        
2016-03-28 12:12:58 UTC (rev 7074)
@@ -50,6 +50,7 @@
         ],
         'normalized' => 'in-anchor',
         'spaces_before_argument' => {
+          'parent' => {},
           'text' => '',
           'type' => 'empty_spaces_before_argument'
         }
@@ -93,6 +94,7 @@
 $result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'anchor_and_empty_lines'}{'contents'}[2];
 
$result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'args'}[0];
 $result_trees{'anchor_and_empty_lines'}{'contents'}[2]{'parent'} = 
$result_trees{'anchor_and_empty_lines'};
 $result_trees{'anchor_and_empty_lines'}{'contents'}[4]{'parent'} = 
$result_trees{'anchor_and_empty_lines'};
 
$result_trees{'anchor_and_empty_lines'}{'contents'}[5]{'contents'}[0]{'parent'} 
= $result_trees{'anchor_and_empty_lines'}{'contents'}[5];

Modified: trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl  
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl  
2016-03-28 12:12:58 UTC (rev 7074)
@@ -135,6 +135,7 @@
                 ],
                 'normalized' => 'ABC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -179,6 +180,7 @@
                 'explanation_contents' => [],
                 'normalized' => 'ABC',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -238,6 +240,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -286,6 +289,7 @@
                   'normalized' => 'Top'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -506,6 +510,7 @@
                 ],
                 'normalized' => 'anchor',
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -661,6 +666,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[11]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[12]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
@@ -668,6 +674,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[13]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[14]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[15]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
@@ -677,6 +684,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[18]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
@@ -684,6 +692,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[20]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[21]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
@@ -723,6 +732,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'extra'}{'node_content'}[0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[37]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[38]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[39]{'parent'}
 = $result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl        
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl        
2016-03-28 12:12:58 UTC (rev 7074)
@@ -123,6 +123,7 @@
             ],
             'normalized' => 'ABC',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -167,6 +168,7 @@
             'explanation_contents' => [],
             'normalized' => 'ABC',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -226,6 +228,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -274,6 +277,7 @@
               'normalized' => 'Top'
             },
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -500,6 +504,7 @@
             ],
             'normalized' => 'anchor',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -600,6 +605,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[11]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[12]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
@@ -607,6 +613,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13]{'extra'}{'explanation_contents'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[1];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[13]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[14]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[15]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
@@ -616,6 +623,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[1];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[17]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[18]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
@@ -623,6 +631,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[19]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[20]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[21]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0];
@@ -663,6 +672,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'at_commands_glued_in_paragraph'}{'contents'}[2];

Modified: trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2016-03-28 12:12:58 UTC (rev 7074)
@@ -60,6 +60,7 @@
             ],
             'format' => 'plaintext',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -86,6 +87,7 @@
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
+$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'lone_braces_in_inlineraw'}{'contents'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'lone_braces_in_inlineraw'}{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/long_uref_after_item.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/long_uref_after_item.pl  2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/long_uref_after_item.pl  2016-03-28 
12:12:58 UTC (rev 7074)
@@ -55,6 +55,7 @@
                       ]
                     ],
                     'spaces_before_argument' => {
+                      'parent' => {},
                       'text' => '',
                       'type' => 'empty_spaces_before_argument'
                     }
@@ -160,6 +161,7 @@
 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'long_uref_after_item'}{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/plaintext_tests/multiline_image_and_align.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/multiline_image_and_align.pl     
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/multiline_image_and_align.pl     
2016-03-28 12:12:58 UTC (rev 7074)
@@ -41,6 +41,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -117,6 +118,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -194,6 +196,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -271,6 +274,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -356,6 +360,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -410,6 +415,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -447,6 +453,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -498,6 +505,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -579,6 +587,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0];
 $result_trees{'multiline_image_and_align'}{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[0];
@@ -593,6 +602,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0];
 $result_trees{'multiline_image_and_align'}{'contents'}[2]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[2];
@@ -608,6 +618,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0];
 $result_trees{'multiline_image_and_align'}{'contents'}[4]{'args'}[0]{'parent'} 
= $result_trees{'multiline_image_and_align'}{'contents'}[4];
@@ -623,6 +634,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[6]{'args'}[0];
@@ -640,6 +652,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8];
@@ -648,11 +661,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[1]{'line_nr'};
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3]{'contents'}[4]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[3];
@@ -662,6 +677,7 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[8]{'contents'}[5]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[8];

Modified: trunk/tp/t/results/plaintext_tests/no_empty_line_after_section.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/no_empty_line_after_section.pl   
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/no_empty_line_after_section.pl   
2016-03-28 12:12:58 UTC (rev 7074)
@@ -236,6 +236,7 @@
                   ]
                 ],
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -445,6 +446,7 @@
 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0];
 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0];
 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0];
 
$result_trees{'no_empty_line_after_section'}{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'no_empty_line_after_section'}{'contents'}[3];

Modified: trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2016-03-28 12:12:58 UTC (rev 7074)
@@ -32,6 +32,7 @@
             ],
             'normalized' => 'AAA',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -70,6 +71,7 @@
             ],
             'normalized' => 'BBB',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -104,6 +106,7 @@
             ],
             'normalized' => 'aaa',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -138,6 +141,7 @@
             ],
             'normalized' => 'bbb',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -190,6 +194,7 @@
             ],
             'normalized' => 'AAA',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -245,6 +250,7 @@
             ],
             'normalized' => 'BBB',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -296,6 +302,7 @@
             ],
             'normalized' => 'aaa',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -348,6 +355,7 @@
             ],
             'normalized' => 'bbb',
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -374,23 +382,27 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[7]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
@@ -400,6 +412,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[9]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0];
@@ -408,6 +421,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'line_nr'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'line_nr'};
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[11]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
@@ -417,6 +431,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'line_nr'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'line_nr'};
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[13]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
@@ -426,6 +441,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[15]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0];
 $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'parent'} = 
$result_trees{'punctuation_abbr_acronym'};

Modified: trunk/tp/t/results/plaintext_tests/punctuation_at_end_command.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/punctuation_at_end_command.pl    
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/punctuation_at_end_command.pl    
2016-03-28 12:12:58 UTC (rev 7074)
@@ -54,6 +54,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -91,6 +92,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -124,6 +126,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -322,17 +325,20 @@
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1];
 
$result_trees{'punctuation_at_end_command'}{'contents'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'punctuation_at_end_command'}{'contents'}[1];

Modified: trunk/tp/t/results/plaintext_tests/punctuation_in_command.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/punctuation_in_command.pl        
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/punctuation_in_command.pl        
2016-03-28 12:12:58 UTC (rev 7074)
@@ -54,6 +54,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -91,6 +92,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -124,6 +126,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -291,17 +294,20 @@
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'punctuation_in_command'}{'contents'}[1];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'punctuation_in_command'}{'contents'}[1];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[3]{'parent'} 
= $result_trees{'punctuation_in_command'}{'contents'}[1];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[4]{'parent'} 
= $result_trees{'punctuation_in_command'}{'contents'}[1];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'args'}[0];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[5]{'parent'} 
= $result_trees{'punctuation_in_command'}{'contents'}[1];
 
$result_trees{'punctuation_in_command'}{'contents'}[1]{'contents'}[6]{'parent'} 
= $result_trees{'punctuation_in_command'}{'contents'}[1];

Modified: trunk/tp/t/results/plaintext_tests/punctuation_in_command_end_line.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/punctuation_in_command_end_line.pl       
2016-03-28 11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/punctuation_in_command_end_line.pl       
2016-03-28 12:12:58 UTC (rev 7074)
@@ -48,6 +48,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -90,6 +91,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -132,6 +134,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -374,18 +377,21 @@
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'args'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'args'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'args'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[7]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[8]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];
 
$result_trees{'punctuation_in_command_end_line'}{'contents'}[0]{'contents'}[9]{'parent'}
 = $result_trees{'punctuation_in_command_end_line'}{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/quote_node_names.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2016-03-28 
12:12:58 UTC (rev 7074)
@@ -183,6 +183,7 @@
                   'normalized' => 'normal-node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -245,6 +246,7 @@
                   'normalized' => 'normal-node'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -367,6 +369,7 @@
                   'normalized' => 'blah_003ablah'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -429,6 +432,7 @@
                   'normalized' => 'blah_003ablah'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -551,6 +555,7 @@
                   'normalized' => 'blumpty_002efump'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -613,6 +618,7 @@
                   'normalized' => 'blumpty_002efump'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -670,6 +676,7 @@
                   'normalized' => 'blah_003ablah'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -807,6 +814,7 @@
                   'normalized' => 'secret_002cnode'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -864,6 +872,7 @@
                   'normalized' => 'blah_003ablah'
                 },
                 'spaces_before_argument' => {
+                  'parent' => {},
                   'text' => '',
                   'type' => 'empty_spaces_before_argument'
                 }
@@ -1675,6 +1684,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'}{'parent'}
 = $result_trees{'quote_node_names'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
@@ -1685,6 +1695,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'label'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1];
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];
@@ -1705,6 +1716,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'label'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'label'}{'parent'}
 = $result_trees{'quote_node_names'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0];
@@ -1715,6 +1727,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'label'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[3]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3];
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];
@@ -1735,6 +1748,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'label'}{'extra'}{'spaces_after_command'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'label'}{'parent'}
 = $result_trees{'quote_node_names'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
@@ -1745,6 +1759,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'label'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[3]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5];
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];
@@ -1754,6 +1769,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'extra'}{'label'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7];
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[7]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];
@@ -1776,6 +1792,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'line_nr'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}
 = $result_trees{'quote_node_names'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[9];
@@ -1787,6 +1804,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'extra'}{'label'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[1]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'contents'}[2]{'parent'}
 = $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11];
 $result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[11]{'parent'} = 
$result_trees{'quote_node_names'}{'contents'}[2];

Modified: trunk/tp/t/results/preformatted/titlefont_in_example.pl
===================================================================
--- trunk/tp/t/results/preformatted/titlefont_in_example.pl     2016-03-28 
11:44:35 UTC (rev 7073)
+++ trunk/tp/t/results/preformatted/titlefont_in_example.pl     2016-03-28 
12:12:58 UTC (rev 7074)
@@ -41,6 +41,7 @@
               ]
             ],
             'spaces_before_argument' => {
+              'parent' => {},
               'text' => '',
               'type' => 'empty_spaces_before_argument'
             }
@@ -129,6 +130,7 @@
 
$result_trees{'titlefont_in_example'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'titlefont_in_example'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'titlefont_in_example'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'titlefont_in_example'}{'contents'}[0]{'contents'}[1];

@@ Diff output truncated at 1536000 characters. @@