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-rw-r--r--support/TeX4ht/source/tex4ht-mathjax.tex26
1 files changed, 19 insertions, 7 deletions
diff --git a/support/TeX4ht/source/tex4ht-mathjax.tex b/support/TeX4ht/source/tex4ht-mathjax.tex
index 9bad3b45f8..cb7559b255 100644
--- a/support/TeX4ht/source/tex4ht-mathjax.tex
+++ b/support/TeX4ht/source/tex4ht-mathjax.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-mathjax.tex 979 2021-09-14 17:59:36Z michal_h21 $
+% $Id: tex4ht-mathjax.tex 1012 2021-11-19 09:35:54Z michal_h21 $
% compile: latex tex4ht-mathjax
%
% Copyright 2018-2021 TeX Users Group
@@ -29,8 +29,10 @@
\endinput
>>>
+We don't require additional packages anymore, as everything necessary is included
+in LaTeX kernel now.
+% \RequirePackage{etoolbox,expl3,environ}
\<required packages\><<<
-\RequirePackage{etoolbox,expl3,environ}
>>>
The \verb|\alteqtoks| command saves the used command in HTML. It uses detokenize command
@@ -60,6 +62,8 @@ We still use regula expressions to escape invalid XML characters to entities, so
\regex_replace_all:nnN { \x{26} } { &amp; } \l_tmpa_tl
\regex_replace_all:nnN { \x{3C} } { &lt; } \l_tmpa_tl
\regex_replace_all:nnN { \x{3E} } { &gt; } \l_tmpa_tl
+ % replace \par command with blank lines
+ \regex_replace_all:nnN { \x{5C}par } {\x{A}\x{A}} \l_tmpa_tl
\tl_set:Nx \l_tmpb_tl{ \l_tmpa_tl }
\HCode{\l_tmpb_tl}
}
@@ -90,13 +94,21 @@ environments. They will then keep the LaTeX code unchanged.
#1
\end{#2}}%
}
+>>>
+
+The \verb|\VerbMath| command redefines environments to pass their content
+verbatim to the HTML output.
+
+\<defined commands\><<<
+\ExplSyntaxOn
\newcommand\VerbMath[1]{%
-\ifcsdef{#1}{%
- \RenewEnviron{#1}{%
- \NoFonts\expandafter\VerbMathToks\expandafter{\BODY}{#1}\EndNoFonts%
- }
-}{}%
+ \cs_if_exist:cTF{#1}{
+ \RenewDocumentEnvironment{#1}{+!b}{%
+ \NoFonts\expandafter\VerbMathToks\expandafter{##1}{#1}\EndNoFonts%
+ }{}
+ }{}%
}
+\ExplSyntaxOff
>>>
The \verb|\fixmathjaxtoc| command is used for patching commands which should