protect \( \), tex4ht r1014; tcolorbox \label dest, tex4ht r1013

git-svn-id: svn://tug.org/texlive/trunk@61135 c570f23f-e606-0410-a88d-b1316a301751

4 files changed, 45 insertions, 22 deletions

diff --git a/Master/texmf-dist/source/generic/tex4ht/ChangeLog b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
index 1a0fda78849..61d53293b0d 100644
--- a/Master/texmf-dist/source/generic/tex4ht/ChangeLog
+++ b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
@@ -1,3 +1,12 @@
+2021-11-23  Michal Hoftich  <michal.h21@gmail.com>
+
+	* tex4ht-4ht.tex (tcolorbox.4ht): add destinations for \label to Tcolorbox
+	environments.
+	https://tex.stackexchange.com/a/623697/2891
+	* tex4ht-4ht.tex (latex.4ht): protect redefinitions of \( and \), so they
+	work correctly in sectioning commands with MathML.
+	https://github.com/michal-h21/make4ht/issues/52#issuecomment-976835368
+
 2021-11-19  Michal Hoftich  <michal.h21@gmail.com>
 
 	* tex4ht-mathjax.tex (mathjax-latex-4ht.4ht): use LaTeX 3 commands in
diff --git a/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex b/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
index b929a455825..7336248518a 100644
--- a/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
+++ b/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-4ht.tex 1009 2021-11-05 17:09:29Z michal_h21 $
+% $Id: tex4ht-4ht.tex 1014 2021-11-23 16:46:25Z michal_h21 $
 % tex tex4ht-4ht   or   ht tex tex4ht-4ht
 %
 % Copyright 2009-2021 TeX Users Group    
@@ -7487,8 +7487,8 @@ $$
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%55
 
 \<latex,sty math del\><<<
-  \def\({\leavevmode\st:math}
-  \def\){\ed:math}
+  \protected\def\({\leavevmode\st:math}
+  \protected\def\){\ed:math}
 \NewConfigure{()}[2]{\def\st:math{#1}\def\ed:math{#2}}
   \def\[{\st:Math}
   \def\]{\ed:Math}
@@ -7524,9 +7524,13 @@ $$
 >>>
 
 \<protect (...) math\><<<
-\pend:def\({\bgroup\let\a:mth|=\empty
-   \let\b:mth|=\empty  \let\c:mth|=\empty }%
-\append:def\){\egroup}%
+\let\orig:smath\(
+\let\orig:emath\)
+\protected\def\:tempa{\bgroup\let\a:mth\empty
+   \let\b:mth\empty  \let\c:mth\empty\orig:smath}
+\let\(\:tempa
+\protected\def\:tempa{\orig:emath\egroup}
+\let\)\:tempa
 >>>
 
 \<protect [...] math\><<<
@@ -26728,7 +26732,7 @@ We need to use dvips driver with XeLaTeX
 %%%%%%%%%%%%%%%%%%%%%%%
 \<tcolorbox.4ht\><<<
 % tcolorbox.4ht (|version), generated from |jobname.tex
-% Copyright 2020 TeX Users Group
+% Copyright 2020-2021 TeX Users Group
 |<TeX4ht license text|>
 
 % use custom counter that increments for every \tcolorbox
@@ -26748,6 +26752,7 @@ We need to use dvips driver with XeLaTeX
   \a:tcolorbox%
   % save label, if it is set
   \ifdefined\tcolorbox:label:key%
+    \AnchorLabel% save cross-ref destination
     \label{\tcolorbox:label:key}%
   \fi%
   % open title
diff --git a/Master/texmf-dist/tex/generic/tex4ht/latex.4ht b/Master/texmf-dist/tex/generic/tex4ht/latex.4ht
index e80baf2be86..fce7166a9ac 100644
--- a/Master/texmf-dist/tex/generic/tex4ht/latex.4ht
+++ b/Master/texmf-dist/tex/generic/tex4ht/latex.4ht
@@ -1,4 +1,4 @@
-% latex.4ht (2021-06-25-13:51), generated from tex4ht-4ht.tex
+% latex.4ht (2021-11-23-14:54), generated from tex4ht-4ht.tex
 % Copyright 1997-2009 Eitan M. Gurari
 % Copyright 2009-2021 TeX Users Group
 %
@@ -17,7 +17,7 @@
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2021-06-25-13:51}
+\immediate\write-1{version 2021-11-23-14:54}
 
 \ifx\SaveMkHalignConf:g\:UnDef \else \expandafter\endinput\fi
 
@@ -1762,8 +1762,8 @@ $\vcenter
     
      
 
-  \def\({\leavevmode\st:math}
-  \def\){\ed:math}
+  \protected\def\({\leavevmode\st:math}
+  \protected\def\){\ed:math}
 \NewConfigure{()}[2]{\def\st:math{#1}\def\ed:math{#2}}
   \def\[{\st:Math}
   \def\]{\ed:Math}
@@ -1773,17 +1773,25 @@ $\vcenter
 
 \ifx \a:mth\:UnDef
    \expandafter\pend:defIII\csname c:$:\endcsname{%
-      \ifx \a:mth\:UnDef \pend:def\({\bgroup\let\a:mth\empty
-   \let\b:mth\empty  \let\c:mth\empty }%
-\append:def\){\egroup}%
+      \ifx \a:mth\:UnDef \let\orig:smath\(
+\let\orig:emath\)
+\protected\def\:tempa{\bgroup\let\a:mth\empty
+   \let\b:mth\empty  \let\c:mth\empty\orig:smath}
+\let\(\:tempa
+\protected\def\:tempa{\orig:emath\egroup}
+\let\)\:tempa
 \fi
       \def\:@tabular:{\expandafter\everymath
   \expandafter{\expandafter \everymath \expandafter{\the\everymath}}}%
 }
 \else
-   \pend:def\({\bgroup\let\a:mth\empty
-   \let\b:mth\empty  \let\c:mth\empty }%
-\append:def\){\egroup}%
+   \let\orig:smath\(
+\let\orig:emath\)
+\protected\def\:tempa{\bgroup\let\a:mth\empty
+   \let\b:mth\empty  \let\c:mth\empty\orig:smath}
+\let\(\:tempa
+\protected\def\:tempa{\orig:emath\egroup}
+\let\)\:tempa
 
    \def\:@tabular:{\expandafter\everymath
   \expandafter{\expandafter \everymath \expandafter{\the\everymath}}}%
@@ -2290,7 +2298,7 @@ $\vcenter
 \expandafter\:temp\usepackage!*?: 
 \def\:tempa{\@latex@e@error}
 \ifx \:temp\:tempa
-   % latex209.4ht (2021-06-25-13:51), generated from tex4ht-4ht.tex
+   % latex209.4ht (2021-11-23-14:54), generated from tex4ht-4ht.tex
 % Copyright 1997-2009 Eitan M. Gurari
 % Copyright 2009-2021 TeX Users Group
 %
@@ -2309,7 +2317,7 @@ $\vcenter
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2021-06-25-13:51}
+\immediate\write-1{version 2021-11-23-14:54}
 
 \let\:fnsymbol\@fnsymbol
 \def\@fnsymbol#1{{\hbox{$\:fnsymbol{#1}$}}}
diff --git a/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht b/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht
index f539f983db1..87c43ea789a 100644
--- a/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht
+++ b/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht
@@ -1,5 +1,5 @@
-% tcolorbox.4ht (2020-12-03-13:56), generated from tex4ht-4ht.tex
-% Copyright 2020 TeX Users Group
+% tcolorbox.4ht (2021-11-23-14:59), generated from tex4ht-4ht.tex
+% Copyright 2020-2021 TeX Users Group
 %
 % This work may be distributed and/or modified under the
 % conditions of the LaTeX Project Public License, either
@@ -16,7 +16,7 @@
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2020-12-03-13:56}
+\immediate\write-1{version 2021-11-23-14:59}
 
 
 % use custom counter that increments for every \tcolorbox
@@ -36,6 +36,7 @@
   \a:tcolorbox%
   % save label, if it is set
   \ifdefined\tcolorbox:label:key%
+    \AnchorLabel% save cross-ref destination
     \label{\tcolorbox:label:key}%
   \fi%
   % open title