[7966] save spaces_before_argument after ,

[gavinsmith0123]

Revision: 7966
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=7966
Author:   gavin
Date:     2017-09-24 07:46:21 -0400 (Sun, 24 Sep 2017)
Log Message:
-----------
save spaces_before_argument after ,

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/tp/Texinfo/Convert/TexinfoXML.pm
    trunk/tp/Texinfo/Parser.pm
    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/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/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/block_commands.pl
    trunk/tp/t/results/coverage/commands.pl
    trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
    trunk/tp/t/results/coverage_braces/abbr_acronym.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/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/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/verb_in_xref.pl
    trunk/tp/t/results/float/anchor_in_caption.pl
    trunk/tp/t/results/float/cindex_in_caption.pl
    trunk/tp/t/results/float/comment_space_comand_in_float.pl
    trunk/tp/t/results/float/complex_float.pl
    trunk/tp/t/results/float/empty_listoffloats_with_floats.pl
    trunk/tp/t/results/float/float_copying.pl
    trunk/tp/t/results/float/float_with_at_commands.pl
    trunk/tp/t/results/float/footnote_in_caption.pl
    trunk/tp/t/results/float/footnote_in_caption_and_error.pl
    trunk/tp/t/results/float/numbering_captions_listoffloats.pl
    trunk/tp/t/results/float/ref_to_float.pl
    trunk/tp/t/results/float/simple.pl
    trunk/tp/t/results/html_tests/check_htmlxref.pl
    trunk/tp/t/results/html_tests/commands_in_abbr.pl
    trunk/tp/t/results/indices/encoding_index_latin1.pl
    trunk/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl
    trunk/tp/t/results/indices/encoding_index_utf8.pl
    trunk/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl
    trunk/tp/t/results/info_tests/error_in_footnote.pl
    trunk/tp/t/results/info_tests/float_long_captions.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/pxref_test.pl
    trunk/tp/t/results/info_tests/ref_tests.pl
    trunk/tp/t/results/info_tests/xref_test.pl
    trunk/tp/t/results/invalid_nestings/float_in_style_command.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_table.pl
    trunk/tp/t/results/invalid_nestings/item_in_ref.pl
    trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
    trunk/tp/t/results/invalid_nestings/on_node_line.pl
    trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
    trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
    trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
    trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl
    trunk/tp/t/results/misc_commands/ref_in_center.pl
    trunk/tp/t/results/paragraph/commands_in_flushright.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/punctuation_abbr_acronym.pl
    trunk/tp/t/results/plaintext_tests/quote_node_names.pl
    trunk/tp/t/results/raw/inline_in_example.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/sectioning/a_comma_after_node.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_node.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/complex.pl
    trunk/tp/t/results/sectioning/complex_split_at_node.pl
    trunk/tp/t/results/sectioning/double_node_anchor_float.pl
    trunk/tp/t/results/sectioning/double_top.pl
    trunk/tp/t/results/sectioning/double_top_in_menu.pl
    trunk/tp/t/results/sectioning/email_in_node.pl
    trunk/tp/t/results/sectioning/empty_node.pl
    trunk/tp/t/results/sectioning/empty_ref_arg.pl
    trunk/tp/t/results/sectioning/equivalent_labels.pl
    trunk/tp/t/results/sectioning/equivalent_nodes.pl
    trunk/tp/t/results/sectioning/explicit_node_directions.pl
    trunk/tp/t/results/sectioning/more_sections_than_nodes.pl
    trunk/tp/t/results/sectioning/next_no_prev_to_node.pl
    trunk/tp/t/results/sectioning/no_element.pl
    trunk/tp/t/results/sectioning/node.pl
    trunk/tp/t/results/sectioning/node_empty_direction.pl
    trunk/tp/t/results/sectioning/node_too_much_args.pl
    trunk/tp/t/results/sectioning/node_up_external_node.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
    trunk/tp/t/results/sectioning/nodes_before_top.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/non_automatic_top_node_up_url.pl
    trunk/tp/t/results/sectioning/novalidate.pl
    trunk/tp/t/results/sectioning/part_node_before_top.pl
    trunk/tp/t/results/sectioning/part_node_chapter_after_top.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/semi_auto.pl
    trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl
    trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl
    trunk/tp/t/results/value/value_in_node.pl
    trunk/tp/t/results/value/value_node_directions.pl
    trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl
    trunk/tp/t/results/xml_tests/commands_and_spaces.pl

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/ChangeLog     2017-09-24 11:46:21 UTC (rev 7966)
@@ -1,3 +1,12 @@
+2017-09-24  Gavin Smith  <address@hidden>
+
+       * tp/Texinfo/Parser.pm (_parse_texi) <after ',' separating arguments>:
+       Save 'spaces_before_argument' on element corresponding to argument.
+       * tp/Texinfo/Convert/TexinfoXML.pm (_convert): Call 
+       _leading_spaces_before_argument instead of _leading_spaces_arg.  
+       This uses the 'spaces_before_argument' element we saved in 
+       '_parse_texi'.
+
 2017-09-22  Mathieu Lirzin  <address@hidden>
 
        * Makefile.am (CLEANFILES): Remove $(noinst_SCRIPTS) to

Modified: trunk/tp/Texinfo/Convert/TexinfoXML.pm
===================================================================
--- trunk/tp/Texinfo/Convert/TexinfoXML.pm      2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/Texinfo/Convert/TexinfoXML.pm      2017-09-24 11:46:21 UTC (rev 
7966)
@@ -1195,7 +1195,7 @@
           if (!$Texinfo::Common::context_brace_commands{$root->{'cmdname'}}
               and $root->{'cmdname'} ne 'verb') {
             push @$attribute, 
-              $self->_leading_spaces_arg($root->{'args'}->[$arg_index]);
+              _leading_spaces_before_argument($root->{'args'}->[$arg_index]);
           }
           if (!defined($command) or $arg ne '' or scalar(@$attribute) > 0) {
             # ${attribute} is only set for @verb

Modified: trunk/tp/Texinfo/Parser.pm
===================================================================
--- trunk/tp/Texinfo/Parser.pm  2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/Texinfo/Parser.pm  2017-09-24 11:46:21 UTC (rev 7966)
@@ -5344,6 +5344,8 @@
                  {'type' => 'empty_spaces_before_argument',
                   'text' => '',
                   'parent' => $current };
+          $current->{'extra'}->{'spaces_before_argument'}
+            = $current->{'contents'}->[-1];
         } elsif ($separator eq ',' and $current->{'type'}
             and $current->{'type'} eq 'misc_line_arg'
             and $current->{'parent'}->{'cmdname'} 

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2017-09-24 
11:46:21 UTC (rev 7966)
@@ -2643,6 +2643,9 @@
                               'text' => 'fff'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -2803,6 +2806,9 @@
                               'text' => 'rrr'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -2971,6 +2977,9 @@
                               'text' => 'the someone'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -4268,6 +4277,9 @@
                               'text' => 'text'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -9283,6 +9295,9 @@
                       'text' => 'fff'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9435,6 +9450,9 @@
                       'text' => 'fff'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9589,6 +9607,9 @@
                       'text' => 'rrr'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9741,6 +9762,9 @@
                       'text' => 'rrr'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9903,6 +9927,9 @@
                       'text' => 'the someone'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -10042,6 +10069,9 @@
                       'text' => 'the someone'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -12352,6 +12382,9 @@
                       'text' => 'text'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -12521,6 +12554,9 @@
                       'text' => 'text'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -15091,6 +15127,9 @@
                               'text' => 'fff'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -15239,6 +15278,9 @@
                               'text' => 'rrr'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -15395,6 +15437,9 @@
                               'text' => 'the someone'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -16588,6 +16633,9 @@
                               'text' => 'text'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -17408,6 +17456,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -17443,6 +17492,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -17480,6 +17530,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -17772,6 +17823,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19095,6 +19147,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19129,6 +19182,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19163,6 +19217,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19197,6 +19252,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19233,6 +19289,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$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];
@@ -19266,6 +19323,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$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];
@@ -19796,6 +19854,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19833,6 +19892,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20624,6 +20684,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20660,6 +20721,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20698,6 +20760,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$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]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$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]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -21000,6 +21063,7 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$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];

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   
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl   
2017-09-24 11:46:21 UTC (rev 7966)
@@ -2730,6 +2730,9 @@
                               'text' => 'fff'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -2890,6 +2893,9 @@
                               'text' => 'rrr'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -3058,6 +3064,9 @@
                               'text' => 'the someone'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -4357,6 +4366,9 @@
                               'text' => 'text'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -9372,6 +9384,9 @@
                       'text' => 'fff'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9524,6 +9539,9 @@
                       'text' => 'fff'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9678,6 +9696,9 @@
                       'text' => 'rrr'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9830,6 +9851,9 @@
                       'text' => 'rrr'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9992,6 +10016,9 @@
                       'text' => 'the someone'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -10131,6 +10158,9 @@
                       'text' => 'the someone'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -12445,6 +12475,9 @@
                       'text' => 'text'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -12614,6 +12647,9 @@
                       'text' => 'text'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -15184,6 +15220,9 @@
                               'text' => 'fff'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -15332,6 +15371,9 @@
                               'text' => 'rrr'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -15488,6 +15530,9 @@
                               'text' => 'the someone'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -16683,6 +16728,9 @@
                               'text' => 'text'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -17518,6 +17566,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -17553,6 +17602,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -17590,6 +17640,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -17882,6 +17933,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19205,6 +19257,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19239,6 +19292,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19273,6 +19327,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19307,6 +19362,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19343,6 +19399,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$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];
@@ -19376,6 +19433,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$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];
@@ -19906,6 +19964,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19943,6 +20002,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20734,6 +20794,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20770,6 +20831,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20808,6 +20870,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$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]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$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]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -21110,6 +21173,7 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$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];

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     
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl     
2017-09-24 11:46:21 UTC (rev 7966)
@@ -2730,6 +2730,9 @@
                               'text' => 'fff'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -2890,6 +2893,9 @@
                               'text' => 'rrr'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -3058,6 +3064,9 @@
                               'text' => 'the someone'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -4357,6 +4366,9 @@
                               'text' => 'text'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -9372,6 +9384,9 @@
                       'text' => 'fff'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9524,6 +9539,9 @@
                       'text' => 'fff'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9678,6 +9696,9 @@
                       'text' => 'rrr'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9830,6 +9851,9 @@
                       'text' => 'rrr'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -9992,6 +10016,9 @@
                       'text' => 'the someone'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -10131,6 +10158,9 @@
                       'text' => 'the someone'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -12445,6 +12475,9 @@
                       'text' => 'text'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -12614,6 +12647,9 @@
                       'text' => 'text'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -15184,6 +15220,9 @@
                               'text' => 'fff'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -15332,6 +15371,9 @@
                               'text' => 'rrr'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -15488,6 +15530,9 @@
                               'text' => 'the someone'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -16683,6 +16728,9 @@
                               'text' => 'text'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -17518,6 +17566,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -17553,6 +17602,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -17590,6 +17640,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -17882,6 +17933,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19205,6 +19257,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19239,6 +19292,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19273,6 +19327,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19307,6 +19362,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19343,6 +19399,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$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];
@@ -19376,6 +19433,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$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];
@@ -19906,6 +19964,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$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];
@@ -19943,6 +20002,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20734,6 +20794,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20770,6 +20831,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -20808,6 +20870,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$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]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$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]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -21110,6 +21173,7 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/converters_tests/inline.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline.pl       2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/converters_tests/inline.pl       2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -39,6 +39,9 @@
                   'text' => '<blink>html</blink> ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -93,6 +96,9 @@
                   'text' => 'plaintext ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -147,6 +153,9 @@
                   'text' => '<para>xml</para> ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -201,6 +210,9 @@
                   'text' => '<emphasis>docbook</emphasis> ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -314,6 +326,9 @@
                   'text' => 'raw <blink>html</blink> ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -368,6 +383,9 @@
                   'text' => 'raw plaintext ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -422,6 +440,9 @@
                   'text' => 'raw <para>xml</para> ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -476,6 +497,9 @@
                   'text' => 'raw <emphasis>docbook</emphasis> ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -559,6 +583,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 $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];
@@ -568,6 +593,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 $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];
@@ -577,6 +603,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
 $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];
@@ -586,6 +613,7 @@
 $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
 $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];
@@ -604,6 +632,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0];
 $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];
@@ -613,6 +642,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0];
 $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];
@@ -622,6 +652,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[0];
 $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];
@@ -631,6 +662,7 @@
 $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1];
+$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0];
 $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];

Modified: trunk/tp/t/results/converters_tests/inline_expand_tex.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2017-09-24 
11:46:21 UTC (rev 7966)
@@ -225,6 +225,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -506,6 +509,9 @@
                   'text' => '$ ``'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -573,6 +579,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8];
 
$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];
@@ -621,6 +628,7 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'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]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1];
+$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/converters_tests/inlinefmtifelse.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -348,6 +348,9 @@
                   'text' => 'else docbook spaces '
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -433,6 +436,9 @@
                   'text' => 'else tex spaces '
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -660,6 +666,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2];
+$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[1];
@@ -675,6 +682,7 @@
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2];
+$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[1];

Modified: trunk/tp/t/results/converters_tests/inlineifsetifclear.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2017-09-24 
11:46:21 UTC (rev 7966)
@@ -33,6 +33,9 @@
                   'text' => 'iclear first '
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -235,6 +238,9 @@
                   'text' => 'ifset second '
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -276,6 +282,7 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];
@@ -307,6 +314,7 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1];
+$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/converters_tests/ref_error_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2017-09-24 
11:46:21 UTC (rev 7966)
@@ -1509,6 +1509,9 @@
                   'text' => 'file name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -1524,6 +1527,9 @@
                   'text' => 'manual'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -1867,6 +1873,9 @@
                   'text' => 'file name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -1882,6 +1891,9 @@
                   'text' => 'manual'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -2625,6 +2637,9 @@
                   'text' => 'file name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -2640,6 +2655,9 @@
                   'text' => 'manual'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -2947,6 +2965,9 @@
                   'text' => 'file name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -2962,6 +2983,9 @@
                   'text' => 'manual'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -3344,6 +3368,9 @@
                   'text' => 'file name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -3508,6 +3535,9 @@
                   'text' => 'cross ref name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -3523,6 +3553,9 @@
                   'text' => 'file name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -3698,6 +3731,9 @@
                   'text' => 'cross ref name'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -4124,9 +4160,11 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[1]{'contents'}[0];
@@ -4197,9 +4235,11 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2]{'contents'}[0];
@@ -4348,9 +4388,11 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[1]{'contents'}[0];
 
$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];
@@ -4412,9 +4454,11 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4];
+$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$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];
@@ -4489,6 +4533,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2];
+$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[0];
 
$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];
@@ -4520,9 +4565,11 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$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];
@@ -4558,6 +4605,7 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1];
+$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10];
 
$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];

Modified: trunk/tp/t/results/converters_tests/ref_in_sectioning.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2017-09-24 
11:46:21 UTC (rev 7966)
@@ -259,6 +259,9 @@
                       'text' => 'file'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -274,6 +277,9 @@
                       'text' => 'Manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -580,6 +586,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -595,6 +604,9 @@
                       'text' => 'Manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -835,6 +847,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -974,6 +989,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1101,6 +1119,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1219,6 +1240,9 @@
                       'type' => 'spaces_at_end'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1342,6 +1366,9 @@
                       'type' => 'spaces_at_end'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1460,6 +1487,9 @@
                       'type' => 'spaces_at_end'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1561,6 +1591,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1656,6 +1689,9 @@
                       'text' => 'b'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1671,6 +1707,9 @@
                       'text' => 'c'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1806,6 +1845,9 @@
                       'type' => 'spaces_at_end'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1923,6 +1965,9 @@
                       'type' => 'spaces_at_end'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -2233,9 +2278,11 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3];
+$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4];
+$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[1];
@@ -2301,9 +2348,11 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4];
+$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
@@ -2352,6 +2401,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -2379,6 +2429,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$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]{'args'}[2]{'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]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2];
+$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
@@ -2405,6 +2456,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$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];
@@ -2430,6 +2482,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
+$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$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];
@@ -2454,6 +2507,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
+$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1];
 
$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];
@@ -2477,6 +2531,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'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]{'contents'}[1]{'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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
 
$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]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0];
@@ -2496,6 +2551,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$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]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0];
@@ -2514,9 +2570,11 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2];
+$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -2545,6 +2603,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1];
@@ -2569,6 +2628,7 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'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]{'contents'}[1]{'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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$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]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0];

Modified: trunk/tp/t/results/converters_tests/refs_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/refs_formatting.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/refs_formatting.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -1157,6 +1157,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1172,6 +1175,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1515,6 +1521,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1530,6 +1539,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -2827,6 +2839,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -2842,6 +2857,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3212,6 +3230,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -3227,6 +3248,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3474,6 +3498,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -3489,6 +3516,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3664,6 +3694,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -4041,9 +4074,11 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4114,9 +4149,11 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4370,9 +4407,11 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4446,9 +4485,11 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4497,9 +4538,11 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];
@@ -4535,6 +4578,7 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1];
+$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10];
 
$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];

Modified: trunk/tp/t/results/converters_tests/things_before_setfilename.pl
===================================================================
--- trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2017-09-24 11:46:21 UTC (rev 7966)
@@ -373,6 +373,9 @@
                       'type' => 'space_at_end_block_command'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'block_line_arg'
                 }
@@ -559,6 +562,9 @@
                       'type' => 'space_at_end_block_command'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'block_line_arg'
                 }
@@ -1335,6 +1341,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
@@ -1369,6 +1376,7 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
+$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14];

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 
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
2017-09-24 11:46:21 UTC (rev 7966)
@@ -371,6 +371,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -557,6 +560,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -1230,6 +1236,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
@@ -1264,6 +1271,7 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
+$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14];

Modified: trunk/tp/t/results/converters_tests/top_in_ref.pl
===================================================================
--- trunk/tp/t/results/converters_tests/top_in_ref.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/converters_tests/top_in_ref.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -1108,6 +1108,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1123,6 +1126,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1466,6 +1472,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1481,6 +1490,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -2778,6 +2790,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -2793,6 +2808,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3163,6 +3181,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -3178,6 +3199,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3425,6 +3449,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -3440,6 +3467,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3615,6 +3645,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3988,9 +4021,11 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4061,9 +4096,11 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4317,9 +4354,11 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4393,9 +4432,11 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4444,9 +4485,11 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];
@@ -4482,6 +4525,7 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
+$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$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];

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  2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl  2017-09-24 
11:46:21 UTC (rev 7966)
@@ -1108,6 +1108,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1123,6 +1126,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1466,6 +1472,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1481,6 +1490,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -2778,6 +2790,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -2793,6 +2808,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3163,6 +3181,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -3178,6 +3199,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3425,6 +3449,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -3440,6 +3467,9 @@
                       'text' => 'file name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3615,6 +3645,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -3988,9 +4021,11 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4061,9 +4096,11 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4317,9 +4354,11 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4393,9 +4432,11 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4444,9 +4485,11 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];
@@ -4482,6 +4525,7 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
+$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$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];

Modified: trunk/tp/t/results/coverage/block_commands.pl
===================================================================
--- trunk/tp/t/results/coverage/block_commands.pl       2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage/block_commands.pl       2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -237,6 +237,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -439,6 +442,7 @@
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
+$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[0];
 $result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'block_commands'}{'contents'}[5];
 
$result_trees{'block_commands'}{'contents'}[5]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'contents'}[0];
 $result_trees{'block_commands'}{'contents'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'block_commands'}{'contents'}[5];

Modified: trunk/tp/t/results/coverage/commands.pl
===================================================================
--- trunk/tp/t/results/coverage/commands.pl     2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/coverage/commands.pl     2017-09-24 11:46:21 UTC (rev 
7966)
@@ -228,6 +228,9 @@
                   'text' => 'b'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -497,6 +500,7 @@
 $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'parent'} 
= $result_trees{'commands'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1];
+$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0];
 $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];

Modified: trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
===================================================================
--- trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2017-09-24 
11:46:21 UTC (rev 7966)
@@ -436,6 +436,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -607,6 +610,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -1155,6 +1161,7 @@
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
+$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5];
@@ -1189,6 +1196,7 @@
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
+$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'contents'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7];

Modified: trunk/tp/t/results/coverage_braces/abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -292,6 +292,9 @@
                   'type' => 'spaces_at_end'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -459,6 +462,7 @@
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1];
+$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/empty_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_ref.pl     2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/empty_ref.pl     2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -146,6 +146,9 @@
                   'text' => 'arg'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -203,6 +206,7 @@
 $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'}[0]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2017-09-24 11:46:21 UTC (rev 7966)
@@ -45,6 +45,9 @@
                   'type' => 'empty_spaces_before_argument'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -82,6 +85,7 @@
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];

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   
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl   
2017-09-24 11:46:21 UTC (rev 7966)
@@ -116,6 +116,9 @@
                   'text' => 'fff'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -265,6 +268,7 @@
 
$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'}[0]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1];
+$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2017-09-24 
11:46:21 UTC (rev 7966)
@@ -73,6 +73,9 @@
                       'text' => 'cross ref name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -88,6 +91,9 @@
                       'text' => 'file name, spurious arg'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -163,9 +169,11 @@
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/nested_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_args.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/nested_args.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -77,6 +77,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -114,6 +117,9 @@
                   'text' => 'ction'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -148,6 +154,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -208,6 +217,7 @@
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'line_nr'};
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
@@ -216,11 +226,13 @@
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'line_nr'};
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
+$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3];
+$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/nested_in_sc.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -164,6 +164,9 @@
                                   'text' => 'expl'
                                 }
                               ],
+                              'extra' => {
+                                'spaces_before_argument' => {}
+                              },
                               'parent' => {},
                               'type' => 'brace_command_arg'
                             }
@@ -274,6 +277,7 @@
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1];
+$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/coverage_braces/recursive_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2017-09-24 
11:46:21 UTC (rev 7966)
@@ -63,6 +63,9 @@
                   'text' => '\'s Not Unix'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -103,6 +106,7 @@
 
$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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/coverage_braces/ref_empty_node.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2017-09-24 
11:46:21 UTC (rev 7966)
@@ -91,6 +91,9 @@
                   'type' => 'empty_spaces_before_argument'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -106,6 +109,9 @@
                   'text' => 'Manual'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -200,6 +206,9 @@
                   'text' => 'Bidule'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -215,6 +224,9 @@
                   'text' => 'Truc'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -230,6 +242,9 @@
                   'text' => 'file'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -245,6 +260,9 @@
                   'text' => 'Printed'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -300,9 +318,11 @@
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4];
 
$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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0];
 
$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]{'line_nr'} = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'line_nr'};
@@ -321,15 +341,19 @@
 
$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'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4];
+$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/space_in_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_in_image.pl        2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/coverage_braces/space_in_image.pl        2017-09-24 
11:46:21 UTC (rev 7966)
@@ -54,6 +54,9 @@
               'text' => 'cc'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'brace_command_arg'
         },
@@ -180,6 +183,7 @@
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2];
+$result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'contents'}[0];
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[3];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[3];

Modified: trunk/tp/t/results/coverage_braces/test_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/test_image.pl    2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/test_image.pl    2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -414,6 +414,9 @@
                           'text' => '1cm'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'brace_command_arg'
                     },
@@ -535,6 +538,9 @@
                           'type' => 'spaces_at_end'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'brace_command_arg'
                     },
@@ -1087,6 +1093,9 @@
                       'text' => '1cm'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1208,6 +1217,9 @@
                       'type' => 'spaces_at_end'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1711,6 +1723,9 @@
                           'text' => '1cm'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'brace_command_arg'
                     },
@@ -1832,6 +1847,9 @@
                           'type' => 'spaces_at_end'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'brace_command_arg'
                     },
@@ -2061,6 +2079,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -2389,6 +2410,9 @@
                           'text' => '1cm'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'brace_command_arg'
                     },
@@ -2510,6 +2534,9 @@
                           'type' => 'spaces_at_end'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'brace_command_arg'
                     },
@@ -2974,6 +3001,9 @@
                                   'text' => '1cm'
                                 }
                               ],
+                              'extra' => {
+                                'spaces_before_argument' => {}
+                              },
                               'parent' => {},
                               'type' => 'brace_command_arg'
                             },
@@ -3095,6 +3125,9 @@
                                   'type' => 'spaces_at_end'
                                 }
                               ],
+                              'extra' => {
+                                'spaces_before_argument' => {}
+                              },
                               'parent' => {},
                               'type' => 'brace_command_arg'
                             },
@@ -3493,6 +3526,7 @@
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2];
+$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
@@ -3519,6 +3553,7 @@
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[7]{'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]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
+$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4];
@@ -3668,6 +3703,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
@@ -3694,6 +3730,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[7]{'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]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4];
@@ -3832,6 +3869,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
@@ -3858,6 +3896,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[7]{'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]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4];
@@ -3928,6 +3967,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'parent'} 
= $result_trees{'test_image'}{'contents'}[1]{'contents'}[12];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0];
@@ -4008,6 +4048,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
@@ -4034,6 +4075,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[7]{'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]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4];
@@ -4165,6 +4207,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
@@ -4191,6 +4234,7 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[7]{'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]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[8]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
+$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4];

Modified: trunk/tp/t/results/coverage_braces/too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/too_much_args.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/too_much_args.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -33,6 +33,9 @@
                   'text' => 'A truc Z b, E eep'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -67,6 +70,7 @@
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/coverage_braces/uref_in_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -75,6 +75,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -128,6 +131,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -181,6 +187,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -234,6 +243,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -303,6 +315,7 @@
 
$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]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$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];
@@ -314,6 +327,7 @@
 
$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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
@@ -325,6 +339,7 @@
 
$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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
@@ -336,6 +351,7 @@
 
$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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/verb_in_xref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -114,6 +114,9 @@
                       'type' => '*'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -189,6 +192,7 @@
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$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]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/float/anchor_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/anchor_in_caption.pl       2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/float/anchor_in_caption.pl       2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -135,6 +135,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -337,6 +340,7 @@
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/cindex_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/cindex_in_caption.pl       2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/float/cindex_in_caption.pl       2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -135,6 +135,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -416,6 +419,7 @@
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/comment_space_comand_in_float.pl
===================================================================
--- trunk/tp/t/results/float/comment_space_comand_in_float.pl   2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/float/comment_space_comand_in_float.pl   2017-09-24 
11:46:21 UTC (rev 7966)
@@ -105,6 +105,9 @@
                   'parent' => {}
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -306,6 +309,7 @@
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/float/complex_float.pl
===================================================================
--- trunk/tp/t/results/float/complex_float.pl   2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/float/complex_float.pl   2017-09-24 11:46:21 UTC (rev 
7966)
@@ -334,6 +334,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -2824,6 +2827,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -4271,6 +4277,7 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
+$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[1];
@@ -4765,6 +4772,7 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
+$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/float/empty_listoffloats_with_floats.pl
===================================================================
--- trunk/tp/t/results/float/empty_listoffloats_with_floats.pl  2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/float/empty_listoffloats_with_floats.pl  2017-09-24 
11:46:21 UTC (rev 7966)
@@ -47,6 +47,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -171,6 +174,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -549,6 +555,7 @@
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
+$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
@@ -572,6 +579,7 @@
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
+$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'contents'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];

Modified: trunk/tp/t/results/float/float_copying.pl
===================================================================
--- trunk/tp/t/results/float/float_copying.pl   2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/float/float_copying.pl   2017-09-24 11:46:21 UTC (rev 
7966)
@@ -65,6 +65,9 @@
                       'type' => 'space_at_end_block_command'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'block_line_arg'
                 }
@@ -1212,6 +1215,7 @@
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1];

Modified: trunk/tp/t/results/float/float_with_at_commands.pl
===================================================================
--- trunk/tp/t/results/float/float_with_at_commands.pl  2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/float/float_with_at_commands.pl  2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -115,6 +115,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -457,6 +460,7 @@
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
+$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[0];
 $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'float_with_at_commands'}{'contents'}[0];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'float_with_at_commands'}{'contents'}[0];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/float/footnote_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/footnote_in_caption.pl     2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/float/footnote_in_caption.pl     2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -135,6 +135,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -332,6 +335,7 @@
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/footnote_in_caption_and_error.pl
===================================================================
--- trunk/tp/t/results/float/footnote_in_caption_and_error.pl   2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/float/footnote_in_caption_and_error.pl   2017-09-24 
11:46:21 UTC (rev 7966)
@@ -135,6 +135,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -338,6 +341,7 @@
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/numbering_captions_listoffloats.pl
===================================================================
--- trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2017-09-24 
11:46:21 UTC (rev 7966)
@@ -134,6 +134,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -1350,6 +1353,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -2019,6 +2025,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -2196,6 +2205,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -2423,6 +2435,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -2896,6 +2911,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -3338,6 +3356,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -3706,6 +3727,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -4219,6 +4243,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -4648,6 +4675,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -4956,6 +4986,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -5463,6 +5496,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -5913,6 +5949,9 @@
                       'text' => 'cross ref'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -5928,6 +5967,9 @@
                       'text' => 'title'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -6007,6 +6049,9 @@
                       'text' => 'cross ref'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -6022,6 +6067,9 @@
                       'text' => 'title'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -6037,6 +6085,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -6117,6 +6168,9 @@
                       'text' => 'cross ref'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -6132,6 +6186,9 @@
                       'text' => 'title'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -6152,6 +6209,9 @@
                       'text' => 'printed manual title'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -6454,6 +6514,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0];
@@ -6690,6 +6751,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17];
@@ -6814,6 +6876,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
@@ -6849,6 +6912,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -6895,6 +6959,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'contents'}[1]{'args'}[0];
@@ -6996,6 +7061,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9];
@@ -7080,6 +7146,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
@@ -7150,6 +7217,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2];
@@ -7248,6 +7316,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2];
@@ -7330,6 +7399,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2];
@@ -7389,6 +7459,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1];
@@ -7486,6 +7557,7 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
@@ -7569,9 +7641,11 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -7587,12 +7661,15 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -7608,13 +7685,16 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4];
+$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/float/ref_to_float.pl
===================================================================
--- trunk/tp/t/results/float/ref_to_float.pl    2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/float/ref_to_float.pl    2017-09-24 11:46:21 UTC (rev 
7966)
@@ -45,6 +45,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -174,6 +177,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -374,6 +380,7 @@
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
+$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[0];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[0];
@@ -399,6 +406,7 @@
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
+$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[2];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[2];

Modified: trunk/tp/t/results/float/simple.pl
===================================================================
--- trunk/tp/t/results/float/simple.pl  2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/float/simple.pl  2017-09-24 11:46:21 UTC (rev 7966)
@@ -45,6 +45,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -181,6 +184,7 @@
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
+$result_trees{'simple'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[0];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'simple'}{'contents'}[0];
 $result_trees{'simple'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0];
 $result_trees{'simple'}{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'simple'}{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/html_tests/check_htmlxref.pl
===================================================================
--- trunk/tp/t/results/html_tests/check_htmlxref.pl     2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/html_tests/check_htmlxref.pl     2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -51,6 +51,9 @@
               'text' => '(../there/no_existing_no_manual_direction)'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -66,6 +69,9 @@
               'text' => 'first'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -87,6 +93,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -197,6 +206,9 @@
                       'text' => 'b'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -212,6 +224,9 @@
                       'text' => 'c'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -227,6 +242,9 @@
                       'text' => 'no_existing_no_manual.info'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -290,6 +308,9 @@
                       'text' => 'b'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -305,6 +326,9 @@
                       'text' => 'c'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -320,6 +344,9 @@
                       'text' => 'no_existing_no_manual.info'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -609,6 +636,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -654,13 +684,16 @@
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1];
+$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2];
+$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'contents'}[0];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
+$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[0];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'extra'}{'node_content'};
@@ -680,12 +713,15 @@
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -698,12 +734,15 @@
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
@@ -758,6 +797,7 @@
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
+$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[0];
 $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[3];
 $result_trees{'check_htmlxref'}{'contents'}[3]{'extra'}{'node_content'}[0] = 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/html_tests/commands_in_abbr.pl
===================================================================
--- trunk/tp/t/results/html_tests/commands_in_abbr.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/html_tests/commands_in_abbr.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -55,6 +55,9 @@
                   'text' => ' -- b'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -150,6 +153,9 @@
                       'text' => ' -- b'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -242,6 +248,7 @@
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0];
 
$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];
@@ -260,6 +267,7 @@
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$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]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/indices/encoding_index_latin1.pl
===================================================================
--- trunk/tp/t/results/indices/encoding_index_latin1.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/indices/encoding_index_latin1.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -203,7 +203,7 @@
                 },
                 {
                   'parent' => {},
-                  'text' => "\x{e9} \x{e9}"
+                  'text' => 'é é'
                 },
                 {
                   'parent' => {},

Modified: trunk/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl
===================================================================
--- trunk/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl 
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl 
2017-09-24 11:46:21 UTC (rev 7966)
@@ -203,7 +203,7 @@
                 },
                 {
                   'parent' => {},
-                  'text' => "\x{e9} \x{e9}"
+                  'text' => 'é é'
                 },
                 {
                   'parent' => {},

Modified: trunk/tp/t/results/indices/encoding_index_utf8.pl
===================================================================
--- trunk/tp/t/results/indices/encoding_index_utf8.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/indices/encoding_index_utf8.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -203,7 +203,7 @@
                 },
                 {
                   'parent' => {},
-                  'text' => "\x{e9} \x{e9}"
+                  'text' => 'é é'
                 },
                 {
                   'parent' => {},

Modified: trunk/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl
===================================================================
--- trunk/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl   
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl   
2017-09-24 11:46:21 UTC (rev 7966)
@@ -203,7 +203,7 @@
                 },
                 {
                   'parent' => {},
-                  'text' => "\x{e9} \x{e9}"
+                  'text' => 'é é'
                 },
                 {
                   'parent' => {},

Modified: trunk/tp/t/results/info_tests/error_in_footnote.pl
===================================================================
--- trunk/tp/t/results/info_tests/error_in_footnote.pl  2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/info_tests/error_in_footnote.pl  2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -92,6 +92,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -480,6 +483,7 @@
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/float_long_captions.pl
===================================================================
--- trunk/tp/t/results/info_tests/float_long_captions.pl        2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/info_tests/float_long_captions.pl        2017-09-24 
11:46:21 UTC (rev 7966)
@@ -85,6 +85,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -244,6 +247,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -447,6 +453,7 @@
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
@@ -478,6 +485,7 @@
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0];

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       
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl       
2017-09-24 11:46:21 UTC (rev 7966)
@@ -662,6 +662,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -733,6 +736,9 @@
                       'text' => 'machin'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -972,6 +978,7 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$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]{'args'}[1]{'contents'}[1]{'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]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -988,6 +995,7 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'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  2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/info_tests/invalid_node_name_warning.pl  2017-09-24 
11:46:21 UTC (rev 7966)
@@ -662,6 +662,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -733,6 +736,9 @@
                       'text' => 'machin'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -972,6 +978,7 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$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]{'args'}[1]{'contents'}[1]{'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]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -988,6 +995,7 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'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  2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/info_tests/multiline_image_and_align.pl  2017-09-24 
11:46:21 UTC (rev 7966)
@@ -577,6 +577,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -588,6 +591,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -599,6 +605,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -698,6 +707,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -709,6 +721,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -720,6 +735,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -820,6 +838,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -831,6 +852,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -842,6 +866,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -942,6 +969,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -953,6 +983,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -964,6 +997,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1072,6 +1108,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1083,6 +1122,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1094,6 +1136,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1171,6 +1216,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1182,6 +1230,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1193,6 +1244,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1253,6 +1307,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1264,6 +1321,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1275,6 +1335,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1349,6 +1412,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1360,6 +1426,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1371,6 +1440,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -1580,10 +1652,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$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];
@@ -1603,10 +1678,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$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];
@@ -1627,10 +1705,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$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];
@@ -1651,10 +1732,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$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];
@@ -1677,10 +1761,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4];
 
$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];
@@ -1694,10 +1781,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$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];
@@ -1708,10 +1798,13 @@
 
$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];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4];
 
$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];
@@ -1726,10 +1819,13 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'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]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
+$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'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]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4];
 
$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];

Modified: trunk/tp/t/results/info_tests/pxref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/pxref_test.pl 2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/info_tests/pxref_test.pl 2017-09-24 11:46:21 UTC (rev 
7966)
@@ -124,6 +124,9 @@
                       'text' => 'name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -233,6 +236,9 @@
                       'text' => 'name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -318,6 +324,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$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];
@@ -337,6 +344,7 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1];
+$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/info_tests/ref_tests.pl
===================================================================
--- trunk/tp/t/results/info_tests/ref_tests.pl  2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/info_tests/ref_tests.pl  2017-09-24 11:46:21 UTC (rev 
7966)
@@ -256,6 +256,9 @@
                       'text' => 'name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -322,6 +325,9 @@
                       'text' => 'name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -392,6 +398,9 @@
                               'text' => 'name'
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -468,6 +477,9 @@
                       'text' => 'name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -583,6 +595,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -594,6 +607,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$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];
@@ -605,6 +619,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$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];
@@ -619,6 +634,7 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1];
+$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/info_tests/xref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/xref_test.pl  2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/info_tests/xref_test.pl  2017-09-24 11:46:21 UTC (rev 
7966)
@@ -233,6 +233,9 @@
                       'text' => 'name'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -388,6 +391,7 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/invalid_nestings/float_in_style_command.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/float_in_style_command.pl       
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/invalid_nestings/float_in_style_command.pl       
2017-09-24 11:46:21 UTC (rev 7966)
@@ -74,6 +74,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -215,6 +218,7 @@
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
+$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'float_in_style_command'}{'contents'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'float_in_style_command'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -125,6 +125,9 @@
                       'text' => '.'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -188,6 +191,7 @@
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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]{'line_nr'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'line_nr'};

Modified: trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2017-09-24 
11:46:21 UTC (rev 7966)
@@ -114,6 +114,9 @@
                       'type' => 'empty_line_after_command'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -196,6 +199,7 @@
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'extra'}{'command'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/in_table.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/in_table.pl     2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/invalid_nestings/in_table.pl     2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -477,6 +477,9 @@
 '
                                     }
                                   ],
+                                  'extra' => {
+                                    'spaces_before_argument' => {}
+                                  },
                                   'parent' => {},
                                   'type' => 'brace_command_arg'
                                 }
@@ -1378,6 +1381,7 @@
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$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]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/invalid_nestings/item_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -143,6 +143,9 @@
 '
                             }
                           ],
+                          'extra' => {
+                            'spaces_before_argument' => {}
+                          },
                           'parent' => {},
                           'type' => 'brace_command_arg'
                         }
@@ -310,6 +313,7 @@
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[1]{'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]{'args'}[2]{'contents'}[0]{'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]{'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]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$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]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl     
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl     
2017-09-24 11:46:21 UTC (rev 7966)
@@ -83,6 +83,9 @@
               'text' => '(m)b'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -98,6 +101,9 @@
               'text' => '(m)c'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -119,6 +125,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -222,13 +231,16 @@
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1];
+$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2];
+$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'contents'}[0];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
+$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[0];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/on_node_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_node_line.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/invalid_nestings/on_node_line.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -48,6 +48,9 @@
                       'text' => 'b'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -63,6 +66,9 @@
                       'text' => 'c'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -78,6 +84,9 @@
                       'text' => 'filename'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -273,6 +282,9 @@
               'parent' => {}
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -317,12 +329,15 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -362,6 +377,7 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[7]{'extra'}{'spaces_after_command'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[7]{'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'}[7]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
+$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'on_node_line'}{'contents'}[1];
 $result_trees{'on_node_line'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2017-09-24 
11:46:21 UTC (rev 7966)
@@ -70,6 +70,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -216,6 +219,7 @@
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'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]{'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]{'contents'}[0]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[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]{'parent'}
 = $result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -70,6 +70,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -183,6 +186,7 @@
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'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]{'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]{'contents'}[0]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[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]{'parent'}
 = $result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
===================================================================
--- trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2017-09-24 
11:46:21 UTC (rev 7966)
@@ -174,6 +174,9 @@
                                   'text' => 'end inlineraw'
                                 }
                               ],
+                              'extra' => {
+                                'spaces_before_argument' => {}
+                              },
                               'parent' => {},
                               'type' => 'brace_command_arg'
                             }
@@ -352,6 +355,7 @@
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl
===================================================================
--- trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl   
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl   
2017-09-24 11:46:21 UTC (rev 7966)
@@ -517,6 +517,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -818,6 +821,7 @@
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
+$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[0];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'contents'}[0];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9];

Modified: trunk/tp/t/results/misc_commands/ref_in_center.pl
===================================================================
--- trunk/tp/t/results/misc_commands/ref_in_center.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/misc_commands/ref_in_center.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -154,6 +154,9 @@
                           'type' => 'empty_spaces_before_argument'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'brace_command_arg'
                     },
@@ -263,6 +266,7 @@
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'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]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1]{'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]{'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];

Modified: trunk/tp/t/results/paragraph/commands_in_flushright.pl
===================================================================
--- trunk/tp/t/results/paragraph/commands_in_flushright.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/paragraph/commands_in_flushright.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -917,6 +917,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -1641,6 +1644,7 @@
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
+$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'contents'}[0]{'parent'}
 = $result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'contents'}[1];

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  
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl  
2017-09-24 11:46:21 UTC (rev 7966)
@@ -119,6 +119,9 @@
                       'text' => 'aaa bb cc'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -213,6 +216,9 @@
                       'text' => 'mali'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -632,6 +638,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$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];
@@ -648,6 +655,7 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'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]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1];
+$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$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];

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        
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl        
2017-09-24 11:46:21 UTC (rev 7966)
@@ -107,6 +107,9 @@
                   'text' => 'aaa bb cc'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -201,6 +204,9 @@
                   'text' => 'mali'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -571,6 +577,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$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];
@@ -587,6 +594,7 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1];
+$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2017-09-24 11:46:21 UTC (rev 7966)
@@ -44,6 +44,9 @@
                   'type' => 'bracketed'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -82,6 +85,7 @@
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1];
+$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2017-09-24 11:46:21 UTC (rev 7966)
@@ -154,6 +154,9 @@
                   'text' => 'expL'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -205,6 +208,9 @@
                   'text' => 'explA'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -252,6 +258,9 @@
                   'text' => 'expl'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -300,6 +309,9 @@
                   'text' => 'expla'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -362,6 +374,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[0];
 
$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];
@@ -371,6 +384,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$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];
@@ -381,6 +395,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0];
 
$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];
@@ -391,6 +406,7 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1];
+$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0];
 
$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];

Modified: trunk/tp/t/results/plaintext_tests/quote_node_names.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -113,6 +113,9 @@
                       'text' => 'the::caption and a word'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -220,6 +223,9 @@
                       'text' => 'the::caption'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -291,6 +297,9 @@
                       'text' => 'the::caption and a word'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -398,6 +407,9 @@
                       'text' => 'the::caption'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -469,6 +481,9 @@
                       'text' => 'the::caption and a word'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -576,6 +591,9 @@
                       'text' => 'the::caption'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -1633,6 +1651,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -1652,6 +1671,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1];
@@ -1665,6 +1685,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -1684,6 +1705,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[1];
@@ -1697,6 +1719,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -1716,6 +1739,7 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
+$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][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'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/raw/inline_in_example.pl
===================================================================
--- trunk/tp/t/results/raw/inline_in_example.pl 2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/raw/inline_in_example.pl 2017-09-24 11:46:21 UTC (rev 
7966)
@@ -81,6 +81,9 @@
                       'text' => ' '
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -139,6 +142,9 @@
                       'text' => '`` '
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -244,6 +250,9 @@
                       'text' => '</i>'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -349,6 +358,7 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[4];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -362,6 +372,7 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1];
@@ -379,6 +390,7 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
+$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/raw/inlinefmt.pl
===================================================================
--- trunk/tp/t/results/raw/inlinefmt.pl 2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/raw/inlinefmt.pl 2017-09-24 11:46:21 UTC (rev 7966)
@@ -58,6 +58,9 @@
                   'text' => ' '
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -143,6 +146,9 @@
                   'text' => '</i>'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -186,6 +192,7 @@
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -203,6 +210,7 @@
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'} 
= $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl
===================================================================
--- trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -44,6 +44,9 @@
                   'type' => 'empty_line'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -125,6 +128,9 @@
                   'type' => 'empty_line'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -204,6 +210,7 @@
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0];
@@ -216,6 +223,7 @@
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1];

Modified: trunk/tp/t/results/raw/inlineraw.pl
===================================================================
--- trunk/tp/t/results/raw/inlineraw.pl 2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/raw/inlineraw.pl 2017-09-24 11:46:21 UTC (rev 7966)
@@ -58,6 +58,9 @@
                   'text' => ' '
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -143,6 +146,9 @@
                   'text' => '</i>'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -186,6 +192,7 @@
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -203,6 +210,7 @@
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'} 
= $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/raw/inlineraw_with_empty_line.pl
===================================================================
--- trunk/tp/t/results/raw/inlineraw_with_empty_line.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/raw/inlineraw_with_empty_line.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -65,6 +65,9 @@
                   'text' => ' '
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -166,6 +169,9 @@
                   'text' => '</i>'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             }
@@ -216,6 +222,7 @@
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -235,6 +242,7 @@
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/a_comma_after_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/a_comma_after_node.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/a_comma_after_node.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -44,6 +44,9 @@
               'text' => 'Requirements'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -65,6 +68,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -131,10 +137,12 @@
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1];
+$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
+$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[0];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl       
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl       
2017-09-24 11:46:21 UTC (rev 7966)
@@ -100,6 +100,9 @@
               'text' => '!_"#$%&\'()*+-.'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -115,6 +118,9 @@
               'text' => 'Top'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -136,6 +142,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -212,6 +221,9 @@
               'text' => '/;<=>?[\\]^_`|~'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -227,6 +239,9 @@
               'text' => 'other nodes'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -248,6 +263,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -350,6 +368,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -501,13 +522,16 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'extra'}{'node_content'};
@@ -522,13 +546,16 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'extra'}{'node_content'};
@@ -548,6 +575,7 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
+$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl       
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl       
2017-09-24 11:46:21 UTC (rev 7966)
@@ -321,6 +321,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -467,6 +470,9 @@
                       'text' => 'manual'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -584,6 +590,9 @@
                       'text' => '../manual/doc.texi'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -732,6 +741,9 @@
                           'text' => '/;<=>?[\\]^_`|~'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'misc_line_arg'
                     },
@@ -747,6 +759,9 @@
                           'text' => 'other nodes'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'misc_line_arg'
                     },
@@ -768,6 +783,9 @@
                           'type' => 'spaces_at_end'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'misc_line_arg'
                     }
@@ -917,6 +935,9 @@
                           'type' => 'spaces_at_end'
                         }
                       ],
+                      'extra' => {
+                        'spaces_before_argument' => {}
+                      },
                       'parent' => {},
                       'type' => 'misc_line_arg'
                     }
@@ -1235,6 +1256,9 @@
               'text' => '!_"#$%&\'()*+-.'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -1250,6 +1274,9 @@
               'text' => 'Top'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -1271,6 +1298,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -1684,6 +1714,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[1];
@@ -1710,6 +1741,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[1];
@@ -1729,6 +1761,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[1];
@@ -1755,13 +1788,16 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1];
@@ -1788,6 +1824,7 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[1];
@@ -1845,13 +1882,16 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl   
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl   
2017-09-24 11:46:21 UTC (rev 7966)
@@ -322,6 +322,9 @@
                         'text' => 'manual'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -468,6 +471,9 @@
                         'text' => 'manual'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -585,6 +591,9 @@
                         'text' => '../manual/doc.texi'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -733,6 +742,9 @@
                             'text' => '/;<=>?[\\]^_`|~'
                           }
                         ],
+                        'extra' => {
+                          'spaces_before_argument' => {}
+                        },
                         'parent' => {},
                         'type' => 'misc_line_arg'
                       },
@@ -748,6 +760,9 @@
                             'text' => 'other nodes'
                           }
                         ],
+                        'extra' => {
+                          'spaces_before_argument' => {}
+                        },
                         'parent' => {},
                         'type' => 'misc_line_arg'
                       },
@@ -769,6 +784,9 @@
                             'type' => 'spaces_at_end'
                           }
                         ],
+                        'extra' => {
+                          'spaces_before_argument' => {}
+                        },
                         'parent' => {},
                         'type' => 'misc_line_arg'
                       }
@@ -856,6 +874,9 @@
                                     'text' => '!_"#$%&\'()*+-.'
                                   }
                                 ],
+                                'extra' => {
+                                  'spaces_before_argument' => {}
+                                },
                                 'parent' => {},
                                 'type' => 'misc_line_arg'
                               },
@@ -871,6 +892,9 @@
                                     'text' => 'Top'
                                   }
                                 ],
+                                'extra' => {
+                                  'spaces_before_argument' => {}
+                                },
                                 'parent' => {},
                                 'type' => 'misc_line_arg'
                               },
@@ -892,6 +916,9 @@
                                     'type' => 'spaces_at_end'
                                   }
                                 ],
+                                'extra' => {
+                                  'spaces_before_argument' => {}
+                                },
                                 'parent' => {},
                                 'type' => 'misc_line_arg'
                               }
@@ -1343,6 +1370,9 @@
                             'type' => 'spaces_at_end'
                           }
                         ],
+                        'extra' => {
+                          'spaces_before_argument' => {}
+                        },
                         'parent' => {},
                         'type' => 'misc_line_arg'
                       }
@@ -1732,6 +1762,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[1];
@@ -1758,6 +1789,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[1];
@@ -1777,6 +1809,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[1];
@@ -1803,13 +1836,16 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1];
@@ -1825,13 +1861,16 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'extra'}{'node_content'};
@@ -1916,6 +1955,7 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/complex.pl
===================================================================
--- trunk/tp/t/results/sectioning/complex.pl    2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/sectioning/complex.pl    2017-09-24 11:46:21 UTC (rev 
7966)
@@ -2736,6 +2736,9 @@
                 'text' => 'Third node unnumbered'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -2751,6 +2754,9 @@
                 'text' => 'Last node no description'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -2772,6 +2778,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -3537,13 +3546,16 @@
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1];
+$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[0];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2];
+$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[0];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
+$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[0];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 $result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/complex_split_at_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/complex_split_at_node.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/complex_split_at_node.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -2746,6 +2746,9 @@
                 'text' => 'Third node unnumbered'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -2761,6 +2764,9 @@
                 'text' => 'Last node no description'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -2782,6 +2788,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -3560,13 +3569,16 @@
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[0];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[0];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[0];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/double_node_anchor_float.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_node_anchor_float.pl   2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/double_node_anchor_float.pl   2017-09-24 
11:46:21 UTC (rev 7966)
@@ -281,6 +281,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -398,6 +401,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -515,6 +521,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -714,6 +723,7 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
+$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0];
@@ -737,6 +747,7 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
+$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0]{'args'}[0];
@@ -760,6 +771,7 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
+$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/sectioning/double_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_top.pl 2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/sectioning/double_top.pl 2017-09-24 11:46:21 UTC (rev 
7966)
@@ -50,6 +50,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -232,6 +235,7 @@
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
+$result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'double_top'}{'contents'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'double_top'}{'contents'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'double_top'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/double_top_in_menu.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_top_in_menu.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/double_top_in_menu.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -50,6 +50,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -393,6 +396,7 @@
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
+$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'double_top_in_menu'}{'contents'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'contents'}[0];
 $result_trees{'double_top_in_menu'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'double_top_in_menu'}{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/email_in_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/email_in_node.pl      2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/email_in_node.pl      2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -99,6 +99,9 @@
                       'text' => 'd'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -150,6 +153,9 @@
                       'text' => 'e'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -219,6 +225,7 @@
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1];
@@ -230,6 +237,7 @@
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1];
+$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};

Modified: trunk/tp/t/results/sectioning/empty_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/empty_node.pl 2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/sectioning/empty_node.pl 2017-09-24 11:46:21 UTC (rev 
7966)
@@ -80,6 +80,9 @@
               'text' => 'next'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -95,6 +98,9 @@
               'text' => 'prev'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -116,6 +122,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -168,13 +177,16 @@
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[1];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[1];
+$result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[0];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[2];
+$result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[0];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
+$result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[0];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 
$result_trees{'empty_node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[1];
 
$result_trees{'empty_node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/empty_ref_arg.pl
===================================================================
--- trunk/tp/t/results/sectioning/empty_ref_arg.pl      2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/empty_ref_arg.pl      2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -73,6 +73,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -128,6 +131,9 @@
                       'type' => 'empty_spaces_before_argument'
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -143,6 +149,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -203,6 +212,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -218,6 +230,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -326,6 +341,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 },
@@ -373,6 +391,9 @@
                       'parent' => {}
                     }
                   ],
+                  'extra' => {
+                    'spaces_before_argument' => {}
+                  },
                   'parent' => {},
                   'type' => 'brace_command_arg'
                 }
@@ -450,6 +471,7 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
@@ -460,9 +482,11 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[1];
@@ -474,9 +498,11 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1];
@@ -495,6 +521,7 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1];
@@ -501,6 +528,7 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
+$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/equivalent_labels.pl
===================================================================
--- trunk/tp/t/results/sectioning/equivalent_labels.pl  2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/equivalent_labels.pl  2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -149,6 +149,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -486,6 +489,7 @@
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
+$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4];

Modified: trunk/tp/t/results/sectioning/equivalent_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/equivalent_nodes.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/equivalent_nodes.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -68,6 +68,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -375,6 +378,7 @@
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1];
+$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'equivalent_nodes'}{'contents'}[1];
 $result_trees{'equivalent_nodes'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'equivalent_nodes'}{'contents'}[1];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/explicit_node_directions.pl
===================================================================
--- trunk/tp/t/results/sectioning/explicit_node_directions.pl   2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/explicit_node_directions.pl   2017-09-24 
11:46:21 UTC (rev 7966)
@@ -300,6 +300,9 @@
                 'text' => 'third node'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -554,6 +557,7 @@
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/more_sections_than_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/more_sections_than_nodes.pl   2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/more_sections_than_nodes.pl   2017-09-24 
11:46:21 UTC (rev 7966)
@@ -587,6 +587,9 @@
               'text' => 'n c3 s1 s2'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -602,6 +605,9 @@
               'text' => 'n c2'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -623,6 +629,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -1491,13 +1500,16 @@
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1];
+$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'contents'}[0];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2];
+$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'contents'}[0];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
+$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[0];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'extra'}{'node_content'}[0]
 = 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/next_no_prev_to_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/next_no_prev_to_node.pl       2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/next_no_prev_to_node.pl       2017-09-24 
11:46:21 UTC (rev 7966)
@@ -285,6 +285,9 @@
               'text' => 'no return'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -311,6 +314,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -405,6 +411,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -493,11 +502,13 @@
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1];
+$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'contents'}[0];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
+$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[0];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'next_no_prev_to_node'}{'contents'}[2];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'contents'}[1];
@@ -515,6 +526,7 @@
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
+$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[0];
 $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/no_element.pl
===================================================================
--- trunk/tp/t/results/sectioning/no_element.pl 2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/sectioning/no_element.pl 2017-09-24 11:46:21 UTC (rev 
7966)
@@ -445,6 +445,9 @@
               'type' => 'space_at_end_block_command'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'block_line_arg'
         }
@@ -851,6 +854,7 @@
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
+$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[0];
 $result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'parent'} = 
$result_trees{'no_element'}{'contents'}[13];
 
$result_trees{'no_element'}{'contents'}[13]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'no_element'}{'contents'}[13]{'contents'}[0];
 $result_trees{'no_element'}{'contents'}[13]{'contents'}[0]{'parent'} = 
$result_trees{'no_element'}{'contents'}[13];

Modified: trunk/tp/t/results/sectioning/node.pl
===================================================================
--- trunk/tp/t/results/sectioning/node.pl       2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/sectioning/node.pl       2017-09-24 11:46:21 UTC (rev 
7966)
@@ -106,6 +106,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -170,6 +173,9 @@
               'text' => 'two arg'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -191,6 +197,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -261,6 +270,9 @@
               'text' => 'two arg'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -276,6 +288,9 @@
               'text' => 'three arg'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -297,6 +312,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -373,6 +391,9 @@
               'text' => 'two arg'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -388,6 +409,9 @@
               'text' => 'three arg'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -409,6 +433,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -604,6 +631,9 @@
               'text' => 'edilla'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -656,6 +686,9 @@
               'parent' => {}
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -714,6 +747,7 @@
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
+$result_trees{'node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[0];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[2];
 $result_trees{'node'}{'contents'}[2]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node'}{'contents'}[2]{'extra'}{'node_content'};
@@ -726,10 +760,12 @@
 $result_trees{'node'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
 $result_trees{'node'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[1];
 $result_trees{'node'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[1];
+$result_trees{'node'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[3]{'args'}[1]{'contents'}[0];
 $result_trees{'node'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
+$result_trees{'node'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[0];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
 $result_trees{'node'}{'contents'}[3]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node'}{'contents'}[3]{'extra'}{'node_content'};
@@ -743,13 +779,16 @@
 $result_trees{'node'}{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[1];
 $result_trees{'node'}{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[1];
+$result_trees{'node'}{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[4]{'args'}[1]{'contents'}[0];
 $result_trees{'node'}{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[2];
 $result_trees{'node'}{'contents'}[4]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[2];
+$result_trees{'node'}{'contents'}[4]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[4]{'args'}[2]{'contents'}[0];
 $result_trees{'node'}{'contents'}[4]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
+$result_trees{'node'}{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[0];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'node'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node'}{'contents'}[4]{'extra'}{'node_content'};
@@ -764,13 +803,16 @@
 $result_trees{'node'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[1];
 $result_trees{'node'}{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[1];
+$result_trees{'node'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[5]{'args'}[1]{'contents'}[0];
 $result_trees{'node'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[2];
 $result_trees{'node'}{'contents'}[5]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[2];
+$result_trees{'node'}{'contents'}[5]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[5]{'args'}[2]{'contents'}[0];
 $result_trees{'node'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
+$result_trees{'node'}{'contents'}[5]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[0];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[5]{'args'}[0]{'contents'}[1];
@@ -805,6 +847,7 @@
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'line_nr'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[2]{'line_nr'};
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[1];
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[1];
+$result_trees{'node'}{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[0];
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[7];
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[2];
 
$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'args'}[0];
@@ -814,6 +857,7 @@
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[2];
 
$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[3];
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[2];
+$result_trees{'node'}{'contents'}[7]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[0];
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[7];
 $result_trees{'node'}{'contents'}[7]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 $result_trees{'node'}{'contents'}[7]{'extra'}{'node_content'}[1] = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/node_empty_direction.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_empty_direction.pl       2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/node_empty_direction.pl       2017-09-24 
11:46:21 UTC (rev 7966)
@@ -40,6 +40,9 @@
               'type' => 'empty_spaces_before_argument'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -76,6 +79,7 @@
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'node_empty_direction'}{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1];
+$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'node_empty_direction'}{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/node_too_much_args.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_too_much_args.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/node_too_much_args.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -40,6 +40,9 @@
               'type' => 'empty_spaces_before_argument'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -51,6 +54,9 @@
               'type' => 'empty_spaces_before_argument'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -66,6 +72,9 @@
               'text' => '(dir)'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -112,11 +121,14 @@
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1];
+$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2];
+$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'contents'}[0];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3];
+$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'contents'}[0];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'extra'}{'node_content'}[0] 
= $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/node_up_external_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_up_external_node.pl      2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/node_up_external_node.pl      2017-09-24 
11:46:21 UTC (rev 7966)
@@ -238,6 +238,9 @@
                 'text' => '(manual1)'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -258,6 +261,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -279,6 +285,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -381,14 +390,17 @@
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
+$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl       
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl       
2017-09-24 11:46:21 UTC (rev 7966)
@@ -300,6 +300,9 @@
                 'text' => 'third node'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -599,6 +602,7 @@
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];

Modified: 
trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl    
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl    
2017-09-24 11:46:21 UTC (rev 7966)
@@ -291,6 +291,9 @@
                 'text' => 'third node'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -577,6 +580,7 @@
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl       
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl       
2017-09-24 11:46:21 UTC (rev 7966)
@@ -300,6 +300,9 @@
                 'text' => 'third node'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -599,6 +602,7 @@
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];

Modified: 
trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl    
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl    
2017-09-24 11:46:21 UTC (rev 7966)
@@ -291,6 +291,9 @@
                 'text' => 'third node'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -577,6 +580,7 @@
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/nodes_before_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_before_top.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/sectioning/nodes_before_top.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -44,6 +44,9 @@
               'text' => 'Top'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -55,6 +58,9 @@
               'type' => 'empty_spaces_before_argument'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -683,8 +689,10 @@
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1];
+$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2];
+$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'contents'}[0];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3];

Modified: trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl 
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl 
2017-09-24 11:46:21 UTC (rev 7966)
@@ -45,6 +45,9 @@
                 'text' => 'first'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -109,6 +112,9 @@
                         'text' => '\'s Not Unix'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -134,6 +140,9 @@
                 'text' => ' manuals'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -194,6 +203,9 @@
                         'text' => '\'s Not Unix'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -225,6 +237,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -484,6 +499,9 @@
                 'type' => 'empty_spaces_before_argument'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -499,6 +517,9 @@
                 'text' => 'Top'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -563,6 +584,9 @@
                         'text' => '\'s Not Unix'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -594,6 +618,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -646,6 +673,7 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0];
@@ -656,6 +684,7 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -663,6 +692,7 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0];
@@ -675,6 +705,7 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -683,6 +714,7 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[3]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'node_content'};
@@ -736,9 +768,11 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0];
@@ -750,6 +784,7 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -758,6 +793,7 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[3]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl  
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl  
2017-09-24 11:46:21 UTC (rev 7966)
@@ -45,6 +45,9 @@
                 'text' => 'first'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -109,6 +112,9 @@
                         'text' => '\'s Not Unix'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -134,6 +140,9 @@
                 'text' => ' manuals'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -194,6 +203,9 @@
                         'text' => '\'s Not Unix'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -225,6 +237,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -484,6 +499,9 @@
                 'type' => 'empty_spaces_before_argument'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -499,6 +517,9 @@
                 'text' => 'Top'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -563,6 +584,9 @@
                         'text' => '\'s Not Unix'
                       }
                     ],
+                    'extra' => {
+                      'spaces_before_argument' => {}
+                    },
                     'parent' => {},
                     'type' => 'brace_command_arg'
                   }
@@ -594,6 +618,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -646,6 +673,7 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0];
@@ -656,6 +684,7 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -663,6 +692,7 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0];
@@ -675,6 +705,7 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -683,6 +714,7 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'node_content'};
@@ -736,9 +768,11 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0];
@@ -750,6 +784,7 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1];
@@ -758,6 +793,7 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl      
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl      
2017-09-24 11:46:21 UTC (rev 7966)
@@ -45,6 +45,9 @@
                 'text' => 'first'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -60,6 +63,9 @@
                 'text' => '(dir)'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -81,6 +87,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -346,6 +355,9 @@
                 'type' => 'empty_spaces_before_argument'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -361,6 +373,9 @@
                 'text' => 'Top'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -382,6 +397,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -439,13 +457,16 @@
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'node_content'};
@@ -496,13 +517,16 @@
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/novalidate.pl
===================================================================
--- trunk/tp/t/results/sectioning/novalidate.pl 2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/sectioning/novalidate.pl 2017-09-24 11:46:21 UTC (rev 
7966)
@@ -80,6 +80,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -308,6 +311,7 @@
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
+$result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'novalidate'}{'contents'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'novalidate'}{'contents'}[1];
 
$result_trees{'novalidate'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'novalidate'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/part_node_before_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/part_node_before_top.pl       2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/part_node_before_top.pl       2017-09-24 
11:46:21 UTC (rev 7966)
@@ -45,6 +45,9 @@
                 'text' => 'Top'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -393,6 +396,7 @@
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3];

Modified: trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl        
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl        
2017-09-24 11:46:21 UTC (rev 7966)
@@ -389,6 +389,9 @@
                 'text' => 'chapter'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -404,6 +407,9 @@
                 'text' => 'Top'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -425,6 +431,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -519,6 +528,9 @@
                 'text' => 'a node after part'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -545,6 +557,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -710,13 +725,16 @@
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
@@ -734,11 +752,13 @@
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/placed_things_before_element.pl
===================================================================
--- trunk/tp/t/results/sectioning/placed_things_before_element.pl       
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/placed_things_before_element.pl       
2017-09-24 11:46:21 UTC (rev 7966)
@@ -353,6 +353,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -913,6 +916,7 @@
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
+$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'contents'}[0];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];

Modified: trunk/tp/t/results/sectioning/placed_things_before_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/placed_things_before_node.pl  2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/placed_things_before_node.pl  2017-09-24 
11:46:21 UTC (rev 7966)
@@ -353,6 +353,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -961,6 +964,7 @@
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
+$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'contents'}[0];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];

Modified: trunk/tp/t/results/sectioning/semi_auto.pl
===================================================================
--- trunk/tp/t/results/sectioning/semi_auto.pl  2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/sectioning/semi_auto.pl  2017-09-24 11:46:21 UTC (rev 
7966)
@@ -661,6 +661,9 @@
               'text' => 'Chap1'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -682,6 +685,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -888,10 +894,12 @@
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[1]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2];
+$result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'contents'}[0];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[2]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
+$result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[0];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'extra'}{'node_content'}[0] = 
$result_trees{'semi_auto'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'semi_auto'}{'contents'}[7]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'semi_auto'}{'contents'}[7]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl
===================================================================
--- trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl       2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl       2017-09-24 
11:46:21 UTC (rev 7966)
@@ -396,6 +396,9 @@
                 'text' => 'node after chapter 1'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -411,6 +414,9 @@
                 'text' => 'Top'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -432,6 +438,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -714,13 +723,16 @@
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl
===================================================================
--- trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl 2017-09-22 
20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl 2017-09-24 
11:46:21 UTC (rev 7966)
@@ -396,6 +396,9 @@
                 'text' => 'Top'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -411,6 +414,9 @@
                 'text' => 'node between chapters'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           },
@@ -432,6 +438,9 @@
                 'type' => 'spaces_at_end'
               }
             ],
+            'extra' => {
+              'spaces_before_argument' => {}
+            },
             'parent' => {},
             'type' => 'misc_line_arg'
           }
@@ -769,13 +778,16 @@
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/value/value_in_node.pl
===================================================================
--- trunk/tp/t/results/value/value_in_node.pl   2017-09-22 20:33:15 UTC (rev 
7965)
+++ trunk/tp/t/results/value/value_in_node.pl   2017-09-24 11:46:21 UTC (rev 
7966)
@@ -75,6 +75,9 @@
               'text' => '(dir)'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -90,6 +93,9 @@
               'text' => '(dir)'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -111,6 +117,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -383,6 +392,9 @@
               'text' => 'Top'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -404,6 +416,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -680,6 +695,9 @@
               'type' => 'empty_spaces_before_argument'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -695,6 +713,9 @@
               'text' => 'Node 1'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -716,6 +737,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -823,13 +847,16 @@
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1];
+$result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2];
+$result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
+$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 $result_trees{'value_in_node'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'extra'}{'node_content'};
@@ -881,10 +908,12 @@
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2];
+$result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
+$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 $result_trees{'value_in_node'}{'contents'}[3]{'extra'}{'node_content'}[0] = 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'extra'}{'node_content'};
@@ -934,13 +963,16 @@
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[1];
+$result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2];
+$result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
+$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[0];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 $result_trees{'value_in_node'}{'contents'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 
$result_trees{'value_in_node'}{'contents'}[5]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'value_in_node'}{'contents'}[5]{'contents'}[1]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/value/value_node_directions.pl
===================================================================
--- trunk/tp/t/results/value/value_node_directions.pl   2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/value/value_node_directions.pl   2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -75,6 +75,9 @@
               'text' => 'bar'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -90,6 +93,9 @@
               'text' => '(dir)'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -111,6 +117,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -253,6 +262,9 @@
               'text' => 'BarFoo'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -268,6 +280,9 @@
               'text' => 'Top'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -289,6 +304,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -414,6 +432,9 @@
               'type' => 'empty_spaces_before_argument'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -429,6 +450,9 @@
               'text' => 'bar'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         },
@@ -450,6 +474,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -549,13 +576,16 @@
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1];
+$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2];
+$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
+$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'value_node_directions'}{'contents'}[1]{'extra'}{'node_content'};
@@ -582,13 +612,16 @@
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1];
+$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2];
+$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
+$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'value_node_directions'}{'contents'}[3]{'extra'}{'node_content'};
@@ -611,13 +644,16 @@
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1];
+$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2];
+$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
+$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[0];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'value_node_directions'}{'contents'}[5]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl
===================================================================
--- trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl  
2017-09-22 20:33:15 UTC (rev 7965)
+++ trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl  
2017-09-24 11:46:21 UTC (rev 7966)
@@ -130,6 +130,9 @@
               'text' => 'b'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'brace_command_arg'
         }
@@ -189,6 +192,9 @@
               'text' => 'b'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'brace_command_arg'
         }
@@ -248,6 +254,9 @@
               'text' => ' b'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'brace_command_arg'
         }
@@ -307,6 +316,9 @@
               'text' => ' b'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'brace_command_arg'
         }
@@ -358,6 +370,7 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[1];
@@ -368,6 +381,7 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[1];
@@ -378,6 +392,7 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[1];
@@ -388,6 +403,7 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1];
+$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/xml_tests/commands_and_spaces.pl
===================================================================
--- trunk/tp/t/results/xml_tests/commands_and_spaces.pl 2017-09-22 20:33:15 UTC 
(rev 7965)
+++ trunk/tp/t/results/xml_tests/commands_and_spaces.pl 2017-09-24 11:46:21 UTC 
(rev 7966)
@@ -227,6 +227,9 @@
               'type' => 'spaces_at_end'
             }
           ],
+          'extra' => {
+            'spaces_before_argument' => {}
+          },
           'parent' => {},
           'type' => 'misc_line_arg'
         }
@@ -470,6 +473,9 @@
                   'text' => 'd'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -596,6 +602,9 @@
                   'text' => 'd'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'brace_command_arg'
             },
@@ -801,6 +810,9 @@
                   'type' => 'space_at_end_block_command'
                 }
               ],
+              'extra' => {
+                'spaces_before_argument' => {}
+              },
               'parent' => {},
               'type' => 'block_line_arg'
             }
@@ -2247,6 +2259,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[0];
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'commands_and_spaces'}{'contents'}[1];
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'commands_and_spaces'}{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[1];
@@ -2291,6 +2304,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4];
@@ -2316,6 +2330,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4];
@@ -2356,6 +2371,7 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
+$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];