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From: Patrice Dumas
Date: Wed, 26 Oct 2022 16:13:28 -0400 (EDT) 
branch: master
commit 27fd56513731ae8c7a69aa7c31170ae2c1067160
Author: Patrice Dumas <pertusus@free.fr>
AuthorDate: Wed Oct 26 22:05:50 2022 +0200

    Use \[..\] for @displaymath for LaTeX in tex4ht and latex2html
    
    * tp/ext/latex2html.pm (l2h_process), tp/ext/tex4ht.pm
    (tex4ht_prepare): use \[..\] instead of $$..$$ as it is better to
    use \[ in LaTeX, $$ being a TeX primitive.  Report from Vincent
    Lefèvre.
---
 ChangeLog                                          |  9 ++
 tp/ext/latex2html.pm                               |  2 +-
 tp/ext/tex4ht.pm                                   |  8 +-
 .../tex_encod\303\251_utf8-l2h_cache.pm"           | 20 ++---
 .../encod\303\251/tex_encod\303\251_utf8_l2h.tex"  |  4 +-
 .../tex_encod\303\251_utf8_l2h_images.tex"         |  2 +-
 .../many_input_files/tex_l2h_res/tex-l2h_cache.pm  | 32 ++++----
 tp/tests/many_input_files/tex_l2h_res/tex_l2h.tex  |  4 +-
 .../tex_l2h_res/tex_l2h_images.tex                 | 10 +--
 .../formatting_singular/sing-l2h_cache.pm          | 96 +++++++++++-----------
 .../res_parser/formatting_singular/sing_l2h.tex    | 36 ++++----
 .../formatting_singular/sing_l2h_images.tex        |  4 +-
 tp/tests/tex_html/res_parser/tex/tex-l2h_cache.pm  | 32 ++++----
 tp/tests/tex_html/res_parser/tex/tex_l2h.tex       |  4 +-
 .../tex_html/res_parser/tex/tex_l2h_images.tex     | 10 +--
 .../tex_encode_latin1-l2h_cache.pm                 | 20 ++---
 .../tex_encode_latin1_l2h.tex                      |  4 +-
 .../tex_encode_latin1_l2h_images.tex               |  2 +-
 .../tex_encod\303\251_utf8-l2h_cache.pm"           | 20 ++---
 .../tex_encod\303\251_utf8_l2h.tex"                |  4 +-
 .../tex_encod\303\251_utf8_l2h_images.tex"         |  2 +-
 .../tex_eqalign_l2h/tex_eqalign-l2h_cache.pm       |  8 +-
 .../res_parser/tex_eqalign_l2h/tex_eqalign_l2h.tex |  4 +-
 .../res_parser/tex_gdef_l2h/tex_gdef-l2h_cache.pm  | 30 +++----
 .../res_parser/tex_gdef_l2h/tex_gdef_l2h.tex       |  4 +-
 .../tex_gdef_l2h/tex_gdef_l2h_images.tex           |  2 +-
 .../res_parser/tex_httex_latex_math/tex.html       |  6 +-
 .../tex_httex_latex_math/tex_tex4ht_latex.html     |  6 +-
 .../tex_httex_latex_math/tex_tex4ht_latex.tex      |  4 +-
 .../res_parser/tex_httex_tex_latex_math/tex.html   |  6 +-
 .../tex_httex_tex_latex_math/tex_tex4ht_latex.html |  6 +-
 .../tex_httex_tex_latex_math/tex_tex4ht_latex.tex  |  4 +-
 .../res_parser/tex_l2h_latex/tex-l2h_cache.pm      | 32 ++++----
 .../tex_html/res_parser/tex_l2h_latex/tex_l2h.tex  |  4 +-
 .../res_parser/tex_l2h_latex/tex_l2h_images.tex    | 10 +--
 .../res_parser/tex_l2h_tex_latex/tex-l2h_cache.pm  | 32 ++++----
 .../res_parser/tex_l2h_tex_latex/tex_l2h.tex       |  4 +-
 .../tex_l2h_tex_latex/tex_l2h_images.tex           | 10 +--
 38 files changed, 256 insertions(+), 241 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 6ae0bcebd9..f9ebe4d8cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2022-10-25  Patrice Dumas  <pertusus@free.fr>
+
+       Use \[..\] for @displaymath for LaTeX in tex4ht and latex2html
+
+       * tp/ext/latex2html.pm (l2h_process), tp/ext/tex4ht.pm
+       (tex4ht_prepare): use \[..\] instead of $$..$$ as it is better to
+       use \[ in LaTeX, $$ being a TeX primitive.  Report from Vincent
+       Lefèvre.
+
 2022-10-25  Patrice Dumas  <pertusus@free.fr>
 
        * tp/maintain/copy_change_file_name_encoding.pl: change the character
diff --git a/tp/ext/latex2html.pm b/tp/ext/latex2html.pm
index 678e110dc4..27a7b14ae0 100644
--- a/tp/ext/latex2html.pm
+++ b/tp/ext/latex2html.pm
@@ -297,7 +297,7 @@ sub l2h_process($$)
       } elsif ($command eq 'math') {
         $latex_text = "\$".$latex_text."\$";
       } elsif ($command eq 'displaymath') {
-        $latex_text = "\$\$".$latex_text."\$\$";
+        $latex_text = "\\[".$latex_text."\\]";
       }
       $latex_text =~ s/(\s*)$//;
       # try whether we have text already on things to do
diff --git a/tp/ext/tex4ht.pm b/tp/ext/tex4ht.pm
index cde37d602b..3deacf0cf9 100644
--- a/tp/ext/tex4ht.pm
+++ b/tp/ext/tex4ht.pm
@@ -290,7 +290,13 @@ sub tex4ht_prepare($$)
             print $fh "\\IgnorePar \$" . $text . "\$";
           }
         } elsif ($cmdname eq 'displaymath') {
-          print $fh "\n\$\$" . $text . "\$\$\n";
+          if ($format eq 'texi') {
+            print $fh "\@displaymath\n".$text."\@end displaymath\n";
+          } elsif ($format eq 'latex') {
+            print $fh "\n\\[" . $text . "\\]\n";
+          } else { # tex
+            print $fh "\n\$\$" . $text . "\$\$\n";
+          }
         }
         my $end_comment = "<!-- tex4ht_end $formats{$format}->{'basename'} 
$cmdname $counter -->";
         print $fh "$before_comment_close$end_comment$after_comment_close";
diff --git 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8-l2h_cache.pm"
 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8-l2h_cache.pm"
index 0a39189a25..1324c2f1cf 100644
--- 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8-l2h_cache.pm"
+++ 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8-l2h_cache.pm"
@@ -19,8 +19,16 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$ é ï î  \int v(t)\, dt = u(t) + C
-$$/;
+$l2h_cache_key = q/$(I-D) é \varphi(t)$/;
+$l2h_cache{$l2h_cache_key} = q|<!-- MATH
+ $(I-D) é \varphi(t)$
+ -->
+<SPAN CLASS="MATH"><IMG
+ STYLE="height: 2.55ex; vertical-align: -0.70ex; " SRC="tex_encodé_utf8_2.svg"
+ ALT="$(I-D) é \varphi(t)$"></SPAN>|;
+
+$l2h_cache_key = q/\[ é ï î  \int v(t)\, dt = u(t) + C
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -35,12 +43,4 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$(I-D) é \varphi(t)$/;
-$l2h_cache{$l2h_cache_key} = q|<!-- MATH
- $(I-D) é \varphi(t)$
- -->
-<SPAN CLASS="MATH"><IMG
- STYLE="height: 2.55ex; vertical-align: -0.70ex; " SRC="tex_encodé_utf8_2.svg"
- ALT="$(I-D) é \varphi(t)$"></SPAN>|;
-
 1;
diff --git 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h.tex"
 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h.tex"
index a0b99e8e8c..e064ac740b 100644
--- 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h.tex"
+++ 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h.tex"
@@ -27,8 +27,8 @@ $(I-D) é \varphi(t)$
 
 <!-- l2h_begin tex_encodé_utf8_l2h 3 -->
 \end{rawhtml}
-$$ é ï î  \int v(t)\, dt = u(t) + C
-$$
+\[ é ï î  \int v(t)\, dt = u(t) + C
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_encodé_utf8_l2h 3 -->
 
diff --git 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h_images.tex"
 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h_images.tex"
index 1539f4c313..8d3b79be31 100644
--- 
"a/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h_images.tex"
+++ 
"b/tp/tests/many_input_files/tex_l2h_output_dir_non_ascii_res/encod\303\251/tex_encod\303\251_utf8_l2h_images.tex"
@@ -125,7 +125,7 @@ $%
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline8}%
+\lthtmlinlinemathA{tex2html_wrap_inline10}%
 $(I-D) é \varphi(t)$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git a/tp/tests/many_input_files/tex_l2h_res/tex-l2h_cache.pm 
b/tp/tests/many_input_files/tex_l2h_res/tex-l2h_cache.pm
index 060c6df8ab..7fa392284f 100644
--- a/tp/tests/many_input_files/tex_l2h_res/tex-l2h_cache.pm
+++ b/tp/tests/many_input_files/tex_l2h_res/tex-l2h_cache.pm
@@ -31,22 +31,6 @@ $l2h_cache{$l2h_cache_key} = q|
 <P>
 tex <SPAN CLASS="logo-TeX">T<SMALL>E</SMALL>X</SPAN>|;
 
-$l2h_cache_key = q/$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$$/;
-$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
-<!-- MATH
- \begin{displaymath}
-- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-\end{displaymath}
- -->
-
-<IMG
- STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_7.svg"
- ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$">
-</DIV>
-|;
-
 $l2h_cache_key = q/$\mathtt{math code} a < b$/;
 $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  $\mathtt{math code} a < b$
@@ -87,4 +71,20 @@ $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  STYLE="height: 3.73ex; vertical-align: -1.23ex; " SRC="tex_2.svg"
  ALT="${x^i}\over{\tan y}$"></SPAN>|;
 
+$l2h_cache_key = q/\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+\]/;
+$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
+<!-- MATH
+ \begin{displaymath}
+- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\end{displaymath}
+ -->
+
+<IMG
+ STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_7.svg"
+ ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+$">
+</DIV>
+|;
+
 1;
diff --git a/tp/tests/many_input_files/tex_l2h_res/tex_l2h.tex 
b/tp/tests/many_input_files/tex_l2h_res/tex_l2h.tex
index 398bd16b9c..b4504f3d67 100644
--- a/tp/tests/many_input_files/tex_l2h_res/tex_l2h.tex
+++ b/tp/tests/many_input_files/tex_l2h_res/tex_l2h.tex
@@ -74,8 +74,8 @@ $\sum_{i} f(x)^{2}$
 
 <!-- l2h_begin tex_l2h 8 -->
 \end{rawhtml}
-$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$
+\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_l2h 8 -->
 
diff --git a/tp/tests/many_input_files/tex_l2h_res/tex_l2h_images.tex 
b/tp/tests/many_input_files/tex_l2h_res/tex_l2h_images.tex
index b20b77b26c..bf33889dac 100644
--- a/tp/tests/many_input_files/tex_l2h_res/tex_l2h_images.tex
+++ b/tp/tests/many_input_files/tex_l2h_res/tex_l2h_images.tex
@@ -126,31 +126,31 @@ $\displaystyle \chi^2 = \sum_{i=1}^N
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline26}%
+\lthtmlinlinemathA{tex2html_wrap_inline28}%
 ${x^i}\over{\tan y}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline28}%
+\lthtmlinlinemathA{tex2html_wrap_inline30}%
 $a \backslash{} b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline30}%
+\lthtmlinlinemathA{tex2html_wrap_inline32}%
 $\mathtt{math code} a < b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline32}%
+\lthtmlinlinemathA{tex2html_wrap_inline34}%
 $\underline{\mathtt{math \hbox{ code }}} \sum_{i}{\underline{\mathit{eff}}}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline34}%
+\lthtmlinlinemathA{tex2html_wrap_inline36}%
 $\sum_{i} f(x)^{2}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git a/tp/tests/tex_html/res_parser/formatting_singular/sing-l2h_cache.pm 
b/tp/tests/tex_html/res_parser/formatting_singular/sing-l2h_cache.pm
index c96650ef04..8da9f4ea85 100644
--- a/tp/tests/tex_html/res_parser/formatting_singular/sing-l2h_cache.pm
+++ b/tp/tests/tex_html/res_parser/formatting_singular/sing-l2h_cache.pm
@@ -2,8 +2,38 @@
 use utf8;
 our %l2h_cache;
 
-$l2h_cache_key = q/$$TeX LaTeX \star{} \mathord{\text{\aa{}}} \circledR{} 
^{\circ{}} 
-$$/;
+$l2h_cache_key = q/$$\partial_t \eta (t) = g(\eta(t),\varphi(t))$$ ''/;
+$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
+<!-- MATH
+ \begin{displaymath}
+\partial_t \eta (t) = g(\eta(t),\varphi(t))
+\end{displaymath}
+ -->
+
+<IMG
+ STYLE="height: 2.55ex; vertical-align: -0.70ex; " SRC="sing_8.svg"
+ ALT="$\displaystyle \partial_t \eta (t) = g(\eta(t),\varphi(t))$">
+</DIV>
+ &rdquo;|;
+
+$l2h_cache_key = q/$--a {\frac{1}{2}} -$/;
+$l2h_cache{$l2h_cache_key} = q|<!-- MATH
+ $- -a {\frac{1}{2}} -$
+ -->
+<SPAN CLASS="MATH"><IMG
+ STYLE="height: 2.98ex; vertical-align: -0.92ex; " SRC="sing_1.svg"
+ ALT="$--a {\frac{1}{2}} -$"></SPAN>|;
+
+$l2h_cache_key = q/$--a- {\frac{1}{2}}$/;
+$l2h_cache{$l2h_cache_key} = q|<!-- MATH
+ $- -a- {\frac{1}{2}}$
+ -->
+<SPAN CLASS="MATH"><IMG
+ STYLE="height: 2.98ex; vertical-align: -0.92ex; " SRC="sing_9.svg"
+ ALT="$--a- {\frac{1}{2}}$"></SPAN>|;
+
+$l2h_cache_key = q/\[TeX LaTeX \star{} \mathord{\text{\aa{}}} \circledR{} 
^{\circ{}} 
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -18,11 +48,11 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\ddot{u} \ddot{U} \tilde{n} \hat{a} \acute{e} \bar{o} 
\grave{i} \acute{e} \grave{\bar{E}}
+$l2h_cache_key = q/\[\ddot{u} \ddot{U} \tilde{n} \hat{a} \acute{e} \bar{o} 
\grave{i} \acute{e} \grave{\bar{E}}
 \textsl{\c{\'{C}}} \textsl{\c{\'{C}}} \textsl{\H{a}} \dot{a} \mathring{a} 
\textsl{\t{a}}
 \breve{a} \check{a}
  ? .
-$$/;
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -43,12 +73,12 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\imath{} \jmath{}
+$l2h_cache_key = q/\[\imath{} \jmath{}
 \mathord{\text{\l{}}} \textsl{\c{c}}
 \textsl{\b{a}} \textsl{\d{a}} \textsl{\k{a}} a^{h}_{l}
  \ {}\ {} \ {}\-{}  ! @ \} \{ 
 \today{}
-$$/;
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -72,9 +102,9 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\mathbf{``simple-double--three---four----''} \hbox{aa}
+$l2h_cache_key = q/\[\mathbf{``simple-double--three---four----''} \hbox{aa}
 `\hbox{}`simple-double-\hbox{}-three---four----'\hbox{}'
-$$/;
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -91,8 +121,8 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\mathbf{b} \mathit{i} \mathrm{r} sc \mathsf{sansserif} 
\mathit{slanted}
-$$/;
+$l2h_cache_key = q/\[\mathbf{b} \mathit{i} \mathrm{r} sc \mathsf{sansserif} 
\mathit{slanted}
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -107,11 +137,11 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\mathord{\text{\textquotedblleft{}}} 
\mathord{\text{\textquotedblright{}}} 
+$l2h_cache_key = q/\[\mathord{\text{\textquotedblleft{}}} 
\mathord{\text{\textquotedblright{}}} 
 \mathord{\text{\textquoteleft{}}} \mathord{\text{\textquoteright{}}} 
\mathord{\text{\quotedblbase{}}} \mathord{\text{\quotesinglbase{}}} 
\mathord{\text{\guillemotleft{}}}
 \mathord{\text{\guillemotright{}}} \mathord{\text{\guillemotleft{}}} 
\mathord{\text{\guillemotright{}}} \mathord{\text{\guilsinglleft{}}}
 \mathord{\text{\guilsinglright{}}} \euro{} \rightarrow{} \leq{} \geq{}
-$$/;
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -131,8 +161,8 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\mathtt{t} 
-$$/;
+$l2h_cache_key = q/\[\mathtt{t} 
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -147,28 +177,14 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\partial_t \eta (t) = g(\eta(t),\varphi(t))$$ ''/;
-$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
-<!-- MATH
- \begin{displaymath}
-\partial_t \eta (t) = g(\eta(t),\varphi(t))
-\end{displaymath}
- -->
-
-<IMG
- STYLE="height: 2.55ex; vertical-align: -0.70ex; " SRC="sing_8.svg"
- ALT="$\displaystyle \partial_t \eta (t) = g(\eta(t),\varphi(t))$">
-</DIV>
- &rdquo;|;
-
-$l2h_cache_key = q/$$\rightarrow{}
+$l2h_cache_key = q/\[\rightarrow{}
 u
 \bullet{} \copyright{} \dots{} \dots{} \equiv{}
 \fbox{error} \mapsto{} - \dashv{} \Rightarrow{}
 \mathord{\text{\AA{}}} \mathord{\text{\ae{}}} \mathord{\text{\oe{}}} 
\mathord{\text{\AE{}}} \mathord{\text{\OE{}}} \mathord{\text{\o{}}} 
\mathord{\text{\O{}}} \mathord{\text{\ss{}}} \mathord{\text{\l{}}} 
\mathord{\text{\L{}}} \mathord{\text{\DH{}}}
 \mathord{\text{\TH{}}} \mathord{\text{\dh{}}} \mathord{\text{\th{}}} 
\mathord{\text{\textexclamdown{}}} \mathord{\text{\textquestiondown{}}} 
\mathsterling{}
 \mathord{\text{\textordfeminine{}}} \mathord{\text{\textordmasculine{}}} , 
-$$/;
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -194,9 +210,9 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$disp--laymath
+$l2h_cache_key = q/\[disp--laymath
 f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$/;
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -213,20 +229,4 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$--a {\frac{1}{2}} -$/;
-$l2h_cache{$l2h_cache_key} = q|<!-- MATH
- $- -a {\frac{1}{2}} -$
- -->
-<SPAN CLASS="MATH"><IMG
- STYLE="height: 2.98ex; vertical-align: -0.92ex; " SRC="sing_1.svg"
- ALT="$--a {\frac{1}{2}} -$"></SPAN>|;
-
-$l2h_cache_key = q/$--a- {\frac{1}{2}}$/;
-$l2h_cache{$l2h_cache_key} = q|<!-- MATH
- $- -a- {\frac{1}{2}}$
- -->
-<SPAN CLASS="MATH"><IMG
- STYLE="height: 2.98ex; vertical-align: -0.92ex; " SRC="sing_9.svg"
- ALT="$--a- {\frac{1}{2}}$"></SPAN>|;
-
 1;
diff --git a/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h.tex 
b/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h.tex
index 96a47d27f5..5b150c1c47 100644
--- a/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h.tex
+++ b/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h.tex
@@ -16,9 +16,9 @@ $--a {\frac{1}{2}} -$
 
 <!-- l2h_begin sing_l2h 2 -->
 \end{rawhtml}
-$$disp--laymath
+\[disp--laymath
 f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 2 -->
 
@@ -27,9 +27,9 @@ $$
 
 <!-- l2h_begin sing_l2h 3 -->
 \end{rawhtml}
-$$\mathbf{``simple-double--three---four----''} \hbox{aa}
+\[\mathbf{``simple-double--three---four----''} \hbox{aa}
 `\hbox{}`simple-double-\hbox{}-three---four----'\hbox{}'
-$$
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 3 -->
 
@@ -38,12 +38,12 @@ $$
 
 <!-- l2h_begin sing_l2h 4 -->
 \end{rawhtml}
-$$\imath{} \jmath{}
+\[\imath{} \jmath{}
 \mathord{\text{\l{}}} \textsl{\c{c}}
 \textsl{\b{a}} \textsl{\d{a}} \textsl{\k{a}} a^{h}_{l}
  \ {}\ {} \ {}\-{}  ! @ \} \{ 
 \today{}
-$$
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 4 -->
 
@@ -52,14 +52,14 @@ $$
 
 <!-- l2h_begin sing_l2h 5 -->
 \end{rawhtml}
-$$\rightarrow{}
+\[\rightarrow{}
 u
 \bullet{} \copyright{} \dots{} \dots{} \equiv{}
 \fbox{error} \mapsto{} - \dashv{} \Rightarrow{}
 \mathord{\text{\AA{}}} \mathord{\text{\ae{}}} \mathord{\text{\oe{}}} 
\mathord{\text{\AE{}}} \mathord{\text{\OE{}}} \mathord{\text{\o{}}} 
\mathord{\text{\O{}}} \mathord{\text{\ss{}}} \mathord{\text{\l{}}} 
\mathord{\text{\L{}}} \mathord{\text{\DH{}}}
 \mathord{\text{\TH{}}} \mathord{\text{\dh{}}} \mathord{\text{\th{}}} 
\mathord{\text{\textexclamdown{}}} \mathord{\text{\textquestiondown{}}} 
\mathsterling{}
 \mathord{\text{\textordfeminine{}}} \mathord{\text{\textordmasculine{}}} , 
-$$
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 5 -->
 
@@ -68,11 +68,11 @@ $$
 
 <!-- l2h_begin sing_l2h 6 -->
 \end{rawhtml}
-$$\mathord{\text{\textquotedblleft{}}} \mathord{\text{\textquotedblright{}}} 
+\[\mathord{\text{\textquotedblleft{}}} \mathord{\text{\textquotedblright{}}} 
 \mathord{\text{\textquoteleft{}}} \mathord{\text{\textquoteright{}}} 
\mathord{\text{\quotedblbase{}}} \mathord{\text{\quotesinglbase{}}} 
\mathord{\text{\guillemotleft{}}}
 \mathord{\text{\guillemotright{}}} \mathord{\text{\guillemotleft{}}} 
\mathord{\text{\guillemotright{}}} \mathord{\text{\guilsinglleft{}}}
 \mathord{\text{\guilsinglright{}}} \euro{} \rightarrow{} \leq{} \geq{}
-$$
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 6 -->
 
@@ -81,8 +81,8 @@ $$
 
 <!-- l2h_begin sing_l2h 7 -->
 \end{rawhtml}
-$$\mathbf{b} \mathit{i} \mathrm{r} sc \mathsf{sansserif} \mathit{slanted}
-$$
+\[\mathbf{b} \mathit{i} \mathrm{r} sc \mathsf{sansserif} \mathit{slanted}
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 7 -->
 
@@ -109,11 +109,11 @@ $--a- {\frac{1}{2}}$
 
 <!-- l2h_begin sing_l2h 10 -->
 \end{rawhtml}
-$$\ddot{u} \ddot{U} \tilde{n} \hat{a} \acute{e} \bar{o} \grave{i} \acute{e} 
\grave{\bar{E}}
+\[\ddot{u} \ddot{U} \tilde{n} \hat{a} \acute{e} \bar{o} \grave{i} \acute{e} 
\grave{\bar{E}}
 \textsl{\c{\'{C}}} \textsl{\c{\'{C}}} \textsl{\H{a}} \dot{a} \mathring{a} 
\textsl{\t{a}}
 \breve{a} \check{a}
  ? .
-$$
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 10 -->
 
@@ -122,8 +122,8 @@ $$
 
 <!-- l2h_begin sing_l2h 11 -->
 \end{rawhtml}
-$$TeX LaTeX \star{} \mathord{\text{\aa{}}} \circledR{} ^{\circ{}} 
-$$
+\[TeX LaTeX \star{} \mathord{\text{\aa{}}} \circledR{} ^{\circ{}} 
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 11 -->
 
@@ -132,8 +132,8 @@ $$
 
 <!-- l2h_begin sing_l2h 12 -->
 \end{rawhtml}
-$$\mathtt{t} 
-$$
+\[\mathtt{t} 
+\]
 \begin{rawhtml}
 <!-- l2h_end sing_l2h 12 -->
 
diff --git 
a/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h_images.tex 
b/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h_images.tex
index e56bfa06ad..266558fc07 100644
--- a/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h_images.tex
+++ b/tp/tests/tex_html/res_parser/formatting_singular/sing_l2h_images.tex
@@ -118,7 +118,7 @@
 % !!! IMAGES START HERE !!!
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline183}%
+\lthtmlinlinemathA{tex2html_wrap_inline201}%
 $--a {\frac{1}{2}} -$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
@@ -187,7 +187,7 @@ $\displaystyle \partial_t \eta (t) = g(\eta(t),\varphi(t))$%
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline199}%
+\lthtmlinlinemathA{tex2html_wrap_inline205}%
 $--a- {\frac{1}{2}}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git a/tp/tests/tex_html/res_parser/tex/tex-l2h_cache.pm 
b/tp/tests/tex_html/res_parser/tex/tex-l2h_cache.pm
index 060c6df8ab..7fa392284f 100644
--- a/tp/tests/tex_html/res_parser/tex/tex-l2h_cache.pm
+++ b/tp/tests/tex_html/res_parser/tex/tex-l2h_cache.pm
@@ -31,22 +31,6 @@ $l2h_cache{$l2h_cache_key} = q|
 <P>
 tex <SPAN CLASS="logo-TeX">T<SMALL>E</SMALL>X</SPAN>|;
 
-$l2h_cache_key = q/$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$$/;
-$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
-<!-- MATH
- \begin{displaymath}
-- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-\end{displaymath}
- -->
-
-<IMG
- STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_7.svg"
- ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$">
-</DIV>
-|;
-
 $l2h_cache_key = q/$\mathtt{math code} a < b$/;
 $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  $\mathtt{math code} a < b$
@@ -87,4 +71,20 @@ $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  STYLE="height: 3.73ex; vertical-align: -1.23ex; " SRC="tex_2.svg"
  ALT="${x^i}\over{\tan y}$"></SPAN>|;
 
+$l2h_cache_key = q/\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+\]/;
+$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
+<!-- MATH
+ \begin{displaymath}
+- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\end{displaymath}
+ -->
+
+<IMG
+ STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_7.svg"
+ ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+$">
+</DIV>
+|;
+
 1;
diff --git a/tp/tests/tex_html/res_parser/tex/tex_l2h.tex 
b/tp/tests/tex_html/res_parser/tex/tex_l2h.tex
index 398bd16b9c..b4504f3d67 100644
--- a/tp/tests/tex_html/res_parser/tex/tex_l2h.tex
+++ b/tp/tests/tex_html/res_parser/tex/tex_l2h.tex
@@ -74,8 +74,8 @@ $\sum_{i} f(x)^{2}$
 
 <!-- l2h_begin tex_l2h 8 -->
 \end{rawhtml}
-$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$
+\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_l2h 8 -->
 
diff --git a/tp/tests/tex_html/res_parser/tex/tex_l2h_images.tex 
b/tp/tests/tex_html/res_parser/tex/tex_l2h_images.tex
index b20b77b26c..bf33889dac 100644
--- a/tp/tests/tex_html/res_parser/tex/tex_l2h_images.tex
+++ b/tp/tests/tex_html/res_parser/tex/tex_l2h_images.tex
@@ -126,31 +126,31 @@ $\displaystyle \chi^2 = \sum_{i=1}^N
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline26}%
+\lthtmlinlinemathA{tex2html_wrap_inline28}%
 ${x^i}\over{\tan y}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline28}%
+\lthtmlinlinemathA{tex2html_wrap_inline30}%
 $a \backslash{} b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline30}%
+\lthtmlinlinemathA{tex2html_wrap_inline32}%
 $\mathtt{math code} a < b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline32}%
+\lthtmlinlinemathA{tex2html_wrap_inline34}%
 $\underline{\mathtt{math \hbox{ code }}} \sum_{i}{\underline{\mathit{eff}}}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline34}%
+\lthtmlinlinemathA{tex2html_wrap_inline36}%
 $\sum_{i} f(x)^{2}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1-l2h_cache.pm
 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1-l2h_cache.pm
index c8dae60cdb..72bae19ca2 100644
--- 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1-l2h_cache.pm
+++ 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1-l2h_cache.pm
@@ -19,8 +19,16 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$ é ï î  \int v(t)\, dt = u(t) + C
-$$/;
+$l2h_cache_key = q/$(I-D) é \varphi(t)$/;
+$l2h_cache{$l2h_cache_key} = q|<!-- MATH
+ $(I-D) é \varphi(t)$
+ -->
+<SPAN CLASS="MATH"><IMG
+ STYLE="height: 2.55ex; vertical-align: -0.70ex; " 
SRC="tex_encode_latin1_2.svg"
+ ALT="$(I-D) é \varphi(t)$"></SPAN>|;
+
+$l2h_cache_key = q/\[ é ï î  \int v(t)\, dt = u(t) + C
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -35,12 +43,4 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$(I-D) é \varphi(t)$/;
-$l2h_cache{$l2h_cache_key} = q|<!-- MATH
- $(I-D) é \varphi(t)$
- -->
-<SPAN CLASS="MATH"><IMG
- STYLE="height: 2.55ex; vertical-align: -0.70ex; " 
SRC="tex_encode_latin1_2.svg"
- ALT="$(I-D) é \varphi(t)$"></SPAN>|;
-
 1;
diff --git 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h.tex 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h.tex
index 1e8dbf886f..afed4b8381 100644
--- 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h.tex
+++ 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h.tex
@@ -27,8 +27,8 @@ $(I-D) é \varphi(t)$
 
 <!-- l2h_begin tex_encode_latin1_l2h 3 -->
 \end{rawhtml}
-$$ é ï î  \int v(t)\, dt = u(t) + C
-$$
+\[ é ï î  \int v(t)\, dt = u(t) + C
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_encode_latin1_l2h 3 -->
 
diff --git 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h_images.tex
 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h_images.tex
index 1539f4c313..8d3b79be31 100644
--- 
a/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h_images.tex
+++ 
b/tp/tests/tex_html/res_parser/tex_encoded_latin1_l2h/tex_encode_latin1_l2h_images.tex
@@ -125,7 +125,7 @@ $%
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline8}%
+\lthtmlinlinemathA{tex2html_wrap_inline10}%
 $(I-D) é \varphi(t)$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8-l2h_cache.pm"
 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8-l2h_cache.pm"
index 0a39189a25..1324c2f1cf 100644
--- 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8-l2h_cache.pm"
+++ 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8-l2h_cache.pm"
@@ -19,8 +19,16 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$ é ï î  \int v(t)\, dt = u(t) + C
-$$/;
+$l2h_cache_key = q/$(I-D) é \varphi(t)$/;
+$l2h_cache{$l2h_cache_key} = q|<!-- MATH
+ $(I-D) é \varphi(t)$
+ -->
+<SPAN CLASS="MATH"><IMG
+ STYLE="height: 2.55ex; vertical-align: -0.70ex; " SRC="tex_encodé_utf8_2.svg"
+ ALT="$(I-D) é \varphi(t)$"></SPAN>|;
+
+$l2h_cache_key = q/\[ é ï î  \int v(t)\, dt = u(t) + C
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -35,12 +43,4 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$(I-D) é \varphi(t)$/;
-$l2h_cache{$l2h_cache_key} = q|<!-- MATH
- $(I-D) é \varphi(t)$
- -->
-<SPAN CLASS="MATH"><IMG
- STYLE="height: 2.55ex; vertical-align: -0.70ex; " SRC="tex_encodé_utf8_2.svg"
- ALT="$(I-D) é \varphi(t)$"></SPAN>|;
-
 1;
diff --git 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h.tex"
 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h.tex"
index a0b99e8e8c..e064ac740b 100644
--- 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h.tex"
+++ 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h.tex"
@@ -27,8 +27,8 @@ $(I-D) é \varphi(t)$
 
 <!-- l2h_begin tex_encodé_utf8_l2h 3 -->
 \end{rawhtml}
-$$ é ï î  \int v(t)\, dt = u(t) + C
-$$
+\[ é ï î  \int v(t)\, dt = u(t) + C
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_encodé_utf8_l2h 3 -->
 
diff --git 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h_images.tex"
 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h_images.tex"
index 1539f4c313..8d3b79be31 100644
--- 
"a/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h_images.tex"
+++ 
"b/tp/tests/tex_html/res_parser/tex_encoded_utf8_l2h/tex_encod\303\251_utf8_l2h_images.tex"
@@ -125,7 +125,7 @@ $%
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline8}%
+\lthtmlinlinemathA{tex2html_wrap_inline10}%
 $(I-D) é \varphi(t)$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git 
a/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign-l2h_cache.pm 
b/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign-l2h_cache.pm
index d774ed7ff8..277b416add 100644
--- a/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign-l2h_cache.pm
+++ b/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign-l2h_cache.pm
@@ -5,8 +5,7 @@ our %l2h_cache;
 $l2h_cache_key = q/$$\leqalignno{
    \int v(t)\, dt &= u(t) + C&[3.1]\cr
    \int v(t)\, dt &= u(t) + H&[3.2]\cr
-}
-$$/;
+}$$/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
@@ -27,10 +26,11 @@ $">
 </DIV>
 |;
 
-$l2h_cache_key = q/$$\leqalignno{
+$l2h_cache_key = q/\[\leqalignno{
    \int v(t)\, dt &= u(t) + C&[3.1]\cr
    \int v(t)\, dt &= u(t) + H&[3.2]\cr
-}$$/;
+}
+\]/;
 $l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
 <!-- MATH
  \begin{displaymath}
diff --git a/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign_l2h.tex 
b/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign_l2h.tex
index 8d70120033..212b17ffbf 100644
--- a/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign_l2h.tex
+++ b/tp/tests/tex_html/res_parser/tex_eqalign_l2h/tex_eqalign_l2h.tex
@@ -7,11 +7,11 @@
 
 <!-- l2h_begin tex_eqalign_l2h 1 -->
 \end{rawhtml}
-$$\leqalignno{
+\[\leqalignno{
    \int v(t)\, dt &= u(t) + C&[3.1]\cr
    \int v(t)\, dt &= u(t) + H&[3.2]\cr
 }
-$$
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_eqalign_l2h 1 -->
 
diff --git a/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef-l2h_cache.pm 
b/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef-l2h_cache.pm
index 975c241ba3..fd65ff3e68 100644
--- a/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef-l2h_cache.pm
+++ b/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef-l2h_cache.pm
@@ -5,21 +5,6 @@ our %l2h_cache;
 $l2h_cache_key = q/  \gdef\Desig{\buildrel \rm def \over \equiv}/;
 $l2h_cache{$l2h_cache_key} = q|  |;
 
-$l2h_cache_key = q/$$ \Desig \testmacro \otest
-$$/;
-$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
-<!-- MATH
- \begin{displaymath}
-\buildrel \rm def \over \equiv a \equiv b\sqrt{64}
-\end{displaymath}
- -->
-
-<IMG
- STYLE="height: 3.32ex; vertical-align: -0.31ex; " SRC="tex_gdef_2.svg"
- ALT="$\displaystyle \buildrel \rm def \over \equiv a \equiv b\sqrt{64}$">
-</DIV>
-|;
-
 $l2h_cache_key = q/$\Desig \testmacro \otest$/;
 $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  $\buildrel \rm def \over \equiv a \equiv b\sqrt{64}$
@@ -34,4 +19,19 @@ $l2h_cache{$l2h_cache_key} = q|<SPAN CLASS="MATH"></SPAN>|;
 $l2h_cache_key = q/$\gdef\testmacro{a \equiv b} $/;
 $l2h_cache{$l2h_cache_key} = q|<SPAN CLASS="MATH"></SPAN>|;
 
+$l2h_cache_key = q/\[ \Desig \testmacro \otest
+\]/;
+$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
+<!-- MATH
+ \begin{displaymath}
+\buildrel \rm def \over \equiv a \equiv b\sqrt{64}
+\end{displaymath}
+ -->
+
+<IMG
+ STYLE="height: 3.32ex; vertical-align: -0.31ex; " SRC="tex_gdef_2.svg"
+ ALT="$\displaystyle \buildrel \rm def \over \equiv a \equiv b\sqrt{64}$">
+</DIV>
+|;
+
 1;
diff --git a/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h.tex 
b/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h.tex
index 4f61f5c32f..6be8581d25 100644
--- a/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h.tex
+++ b/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h.tex
@@ -43,8 +43,8 @@ $\Desig \testmacro \otest$
 
 <!-- l2h_begin tex_gdef_l2h 5 -->
 \end{rawhtml}
-$$ \Desig \testmacro \otest
-$$
+\[ \Desig \testmacro \otest
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_gdef_l2h 5 -->
 
diff --git a/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h_images.tex 
b/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h_images.tex
index e889d27374..1628f01306 100644
--- a/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h_images.tex
+++ b/tp/tests/tex_html/res_parser/tex_gdef_l2h/tex_gdef_l2h_images.tex
@@ -118,7 +118,7 @@
 % !!! IMAGES START HERE !!!
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline15}%
+\lthtmlinlinemathA{tex2html_wrap_inline17}%
 $\buildrel \rm def \over \equiv a \equiv b\sqrt{64}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git a/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex.html 
b/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex.html
index c36635dc58..b2f25ea32c 100644
--- a/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex.html
+++ b/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex.html
@@ -89,12 +89,12 @@ class="cmr-7">2</span></sup>
 </p>
 <p>Displaymath
 </p>
-   <div class="math-display" >
+   <div class="par-math-display" >
 <img 
 src="tex_tex4ht_latex1x.png" alt="- - f (x) =-&#x221A;1--e- 
12(x-&#x03C3;&#x03BC;)2
           &#x03C3;  2&#x03C0;
-" class="math-display" ></div>
-<!--l. 24--><p class="indent" >    
+" class="par-math-display" ></div>
+<!--l. 23--><p class="nopar" >  
 
 <hr>
 </div>
diff --git 
a/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.html 
b/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.html
index d86be54b6d..f02d8537ec 100644
--- a/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.html
+++ b/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.html
@@ -79,12 +79,12 @@ class="cmr-7">2</span></sup>
  
 <!-- tex4ht_begin tex_tex4ht_latex displaymath 7 --> 
 
-   <div class="math-display" >
+   <div class="par-math-display" >
 <img 
 src="tex_tex4ht_latex1x.png" alt="- - f (x) =-&#x221A;1--e- 
12(x-&#x03C3;&#x03BC;)2
           &#x03C3;  2&#x03C0;
-" class="math-display" ></div>
-<!--l. 24--><p class="indent" >    
+" class="par-math-display" ></div>
+<!--l. 23--><p class="nopar" >  
 <!-- tex4ht_end tex_tex4ht_latex displaymath 7 --> 
  
 
diff --git 
a/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.tex 
b/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.tex
index 1235ef07fc..8b0ab50553 100644
--- a/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.tex
+++ b/tp/tests/tex_html/res_parser/tex_httex_latex_math/tex_tex4ht_latex.tex
@@ -19,7 +19,7 @@ X &=& Y
 \IgnorePar $\sum_{i} f(x)^{2}$\HCode{\Hnewline <!-- tex4ht_end 
tex_tex4ht_latex math 6 -->\Hnewline \Hnewline}
 \HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_tex4ht_latex displaymath 7 
-->\Hnewline}
 
-$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$
+\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\]
 \HCode{\Hnewline <!-- tex4ht_end tex_tex4ht_latex displaymath 7 -->\Hnewline 
\Hnewline}
 \end{document}
diff --git a/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex.html 
b/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex.html
index 8aaaa45d4a..7bcef02395 100644
--- a/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex.html
+++ b/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex.html
@@ -101,12 +101,12 @@ class="cmr-7">2</span></sup>
 </p>
 <p>Displaymath
 </p>
-   <div class="math-display" >
+   <div class="par-math-display" >
 <img 
 src="tex_tex4ht_latex1x.png" alt="- - f (x) =-&#x221A;1--e- 
12(x-&#x03C3;&#x03BC;)2
           &#x03C3;  2&#x03C0;
-" class="math-display" ></div>
-<!--l. 24--><p class="indent" >    
+" class="par-math-display" ></div>
+<!--l. 23--><p class="nopar" >  
 
 <hr>
 </div>
diff --git 
a/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.html 
b/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.html
index d86be54b6d..f02d8537ec 100644
--- 
a/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.html
+++ 
b/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.html
@@ -79,12 +79,12 @@ class="cmr-7">2</span></sup>
  
 <!-- tex4ht_begin tex_tex4ht_latex displaymath 7 --> 
 
-   <div class="math-display" >
+   <div class="par-math-display" >
 <img 
 src="tex_tex4ht_latex1x.png" alt="- - f (x) =-&#x221A;1--e- 
12(x-&#x03C3;&#x03BC;)2
           &#x03C3;  2&#x03C0;
-" class="math-display" ></div>
-<!--l. 24--><p class="indent" >    
+" class="par-math-display" ></div>
+<!--l. 23--><p class="nopar" >  
 <!-- tex4ht_end tex_tex4ht_latex displaymath 7 --> 
  
 
diff --git 
a/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.tex 
b/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.tex
index 1235ef07fc..8b0ab50553 100644
--- a/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.tex
+++ b/tp/tests/tex_html/res_parser/tex_httex_tex_latex_math/tex_tex4ht_latex.tex
@@ -19,7 +19,7 @@ X &=& Y
 \IgnorePar $\sum_{i} f(x)^{2}$\HCode{\Hnewline <!-- tex4ht_end 
tex_tex4ht_latex math 6 -->\Hnewline \Hnewline}
 \HCode{\Hnewline \Hnewline <!-- tex4ht_begin tex_tex4ht_latex displaymath 7 
-->\Hnewline}
 
-$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$
+\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\]
 \HCode{\Hnewline <!-- tex4ht_end tex_tex4ht_latex displaymath 7 -->\Hnewline 
\Hnewline}
 \end{document}
diff --git a/tp/tests/tex_html/res_parser/tex_l2h_latex/tex-l2h_cache.pm 
b/tp/tests/tex_html/res_parser/tex_l2h_latex/tex-l2h_cache.pm
index d633699ebb..a6c5599e97 100644
--- a/tp/tests/tex_html/res_parser/tex_l2h_latex/tex-l2h_cache.pm
+++ b/tp/tests/tex_html/res_parser/tex_l2h_latex/tex-l2h_cache.pm
@@ -2,22 +2,6 @@
 use utf8;
 our %l2h_cache;
 
-$l2h_cache_key = q/$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$$/;
-$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
-<!-- MATH
- \begin{displaymath}
-- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-\end{displaymath}
- -->
-
-<IMG
- STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_11.svg"
- ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$">
-</DIV>
-|;
-
 $l2h_cache_key = q/$\mathtt{math code} a < b$/;
 $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  $\mathtt{math code} a < b$
@@ -58,6 +42,22 @@ $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  STYLE="height: 3.73ex; vertical-align: -1.23ex; " SRC="tex_6.svg"
  ALT="${x^i}\over{\tan y}$"></SPAN>|;
 
+$l2h_cache_key = q/\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+\]/;
+$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
+<!-- MATH
+ \begin{displaymath}
+- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\end{displaymath}
+ -->
+
+<IMG
+ STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_11.svg"
+ ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+$">
+</DIV>
+|;
+
 $l2h_cache_key = q/\begin{eqnarray}
 \frac{\mathit{a}^b}{\xi} &=& \mathtt{\acute{e}} \\
 X &=& Y
diff --git a/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h.tex 
b/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h.tex
index 1d86270c68..fb7a7f21e8 100644
--- a/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h.tex
+++ b/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h.tex
@@ -64,8 +64,8 @@ $\sum_{i} f(x)^{2}$
 
 <!-- l2h_begin tex_l2h 7 -->
 \end{rawhtml}
-$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$
+\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_l2h 7 -->
 
diff --git a/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h_images.tex 
b/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h_images.tex
index f9cdb99af4..27e50bfa0e 100644
--- a/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h_images.tex
+++ b/tp/tests/tex_html/res_parser/tex_l2h_latex/tex_l2h_images.tex
@@ -148,31 +148,31 @@ $\displaystyle Y$%
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline30}%
+\lthtmlinlinemathA{tex2html_wrap_inline32}%
 ${x^i}\over{\tan y}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline32}%
+\lthtmlinlinemathA{tex2html_wrap_inline34}%
 $a \backslash{} b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline34}%
+\lthtmlinlinemathA{tex2html_wrap_inline36}%
 $\mathtt{math code} a < b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline36}%
+\lthtmlinlinemathA{tex2html_wrap_inline38}%
 $\underline{\mathtt{math \hbox{ code }}} \sum_{i}{\underline{\mathit{eff}}}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline38}%
+\lthtmlinlinemathA{tex2html_wrap_inline40}%
 $\sum_{i} f(x)^{2}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
diff --git a/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex-l2h_cache.pm 
b/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex-l2h_cache.pm
index 70b6df1eef..1ee65e85da 100644
--- a/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex-l2h_cache.pm
+++ b/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex-l2h_cache.pm
@@ -31,22 +31,6 @@ $l2h_cache{$l2h_cache_key} = q|
 <P>
 tex <SPAN CLASS="logo-TeX">T<SMALL>E</SMALL>X</SPAN>|;
 
-$l2h_cache_key = q/$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$$/;
-$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
-<!-- MATH
- \begin{displaymath}
-- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-\end{displaymath}
- -->
-
-<IMG
- STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_12.svg"
- ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
-$">
-</DIV>
-|;
-
 $l2h_cache_key = q/$\mathtt{math code} a < b$/;
 $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  $\mathtt{math code} a < b$
@@ -87,6 +71,22 @@ $l2h_cache{$l2h_cache_key} = q|<!-- MATH
  STYLE="height: 3.73ex; vertical-align: -1.23ex; " SRC="tex_7.svg"
  ALT="${x^i}\over{\tan y}$"></SPAN>|;
 
+$l2h_cache_key = q/\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+\]/;
+$l2h_cache{$l2h_cache_key} = q|<DIV CLASS="displaymath">
+<!-- MATH
+ \begin{displaymath}
+- - f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\end{displaymath}
+ -->
+
+<IMG
+ STYLE="height: 5.44ex; vertical-align: -2.28ex; " SRC="tex_12.svg"
+ ALT="$\displaystyle -- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 
2}\left({x-\mu \over \sigma}\right)^2}
+$">
+</DIV>
+|;
+
 $l2h_cache_key = q/\begin{eqnarray}
 \frac{\mathit{a}^b}{\xi} &=& \mathtt{\acute{e}} \\
 X &=& Y
diff --git a/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h.tex 
b/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h.tex
index 111a63ff94..60e324462d 100644
--- a/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h.tex
+++ b/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h.tex
@@ -86,8 +86,8 @@ $\sum_{i} f(x)^{2}$
 
 <!-- l2h_begin tex_l2h 9 -->
 \end{rawhtml}
-$$-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
-$$
+\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over 
\sigma}\right)^2}
+\]
 \begin{rawhtml}
 <!-- l2h_end tex_l2h 9 -->
 
diff --git a/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h_images.tex 
b/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h_images.tex
index 7a8d41fb4c..c3926003d5 100644
--- a/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h_images.tex
+++ b/tp/tests/tex_html/res_parser/tex_l2h_tex_latex/tex_l2h_images.tex
@@ -156,31 +156,31 @@ $\displaystyle Y$%
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline33}%
+\lthtmlinlinemathA{tex2html_wrap_inline35}%
 ${x^i}\over{\tan y}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline35}%
+\lthtmlinlinemathA{tex2html_wrap_inline37}%
 $a \backslash{} b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline37}%
+\lthtmlinlinemathA{tex2html_wrap_inline39}%
 $\mathtt{math code} a < b$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline39}%
+\lthtmlinlinemathA{tex2html_wrap_inline41}%
 $\underline{\mathtt{math \hbox{ code }}} \sum_{i}{\underline{\mathit{eff}}}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
 
 {\newpage\clearpage
-\lthtmlinlinemathA{tex2html_wrap_inline41}%
+\lthtmlinlinemathA{tex2html_wrap_inline43}%
 $\sum_{i} f(x)^{2}$%
 \lthtmlindisplaymathZ
 \lthtmlcheckvsize\clearpage}
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