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-rw-r--r--support/TeX4ht/source/ChangeLog8
-rw-r--r--support/TeX4ht/source/tex4ht-4ht.tex20
2 files changed, 24 insertions, 4 deletions
diff --git a/support/TeX4ht/source/ChangeLog b/support/TeX4ht/source/ChangeLog
index 3e15e91edc..9c755d1d42 100644
--- a/support/TeX4ht/source/ChangeLog
+++ b/support/TeX4ht/source/ChangeLog
@@ -1,3 +1,11 @@
+2024-05-20 Michal Hoftich <michal.h21@gmail.com>
+
+ * tex4ht-4ht.tex (
+ index.4ht, imakeidx.4ht, memoir.4ht, indextools.4ht
+ ): added support for optional argument of \index used inside of
+ \caption.
+ https://tex.stackexchange.com/a/718360/2891
+
2024-05-10 Michal Hoftich <michal.h21@gmail.com>
* tex4ht-4ht.tex (lettrine.4ht): defined more keys supported by the
diff --git a/support/TeX4ht/source/tex4ht-4ht.tex b/support/TeX4ht/source/tex4ht-4ht.tex
index 040ebf5bde..c0a300cb01 100644
--- a/support/TeX4ht/source/tex4ht-4ht.tex
+++ b/support/TeX4ht/source/tex4ht-4ht.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-4ht.tex 1519 2024-05-19 14:40:58Z karl $
+% $Id: tex4ht-4ht.tex 1521 2024-05-20 13:02:00Z michal_h21 $
% tex tex4ht-4ht or ht tex tex4ht-4ht
%
% Copyright 2009-2024 TeX Users Group
@@ -12261,6 +12261,13 @@ and print them when it is safe.
\ExplSyntaxOff
>>>
+\<latex caption index optional\><<<
+\ExplSyntaxOn
+\renewcommand\:saveindex[2][]{\seq_gput_right:Nn\:savedindex{[#1]{#2}}}
+\def\:printsavedindex{\seq_map_inline:Nn\:savedindex{\index##1}}
+\ExplSyntaxOff
+>>>
+
\<latex caption index save\><<<
\:initsaveindex%
\let\index\:saveindex%
@@ -16518,6 +16525,7 @@ DIV.right
\<memoir.4ht\><<<
% memoir.4ht (|version), generated from |jobname.tex
% Copyright |CopyYear.2003. Eitan M. Gurari
+% Copyright 2003-2024 TeX Users Group
|<TeX4ht copywrite|>
\input book.4ht
\input verse.4ht
@@ -16530,6 +16538,7 @@ DIV.right
|<memoir 2008|>
|<mempatch cfg|>
\fi
+|<latex caption index optional|>
\Hinput{memoir}
\endinput
>>> \AddFile{8}{memoir}
@@ -32413,6 +32422,7 @@ not necessary in MathML anyway.
\<index.4ht\><<<
% index.4ht (|version), generated from |jobname.tex
% Copyright |CopyYear.1999. Eitan M. Gurari
+% Copyright 2024 TeX Users Group
|<TeX4ht copywrite|>
|<index shared|>
\expandafter\ifx \csname @vwritefile\endcsname\relax
@@ -32420,6 +32430,7 @@ not necessary in MathML anyway.
\else
|<index 3.02|>
\fi
+|<latex caption index optional|>
\Hinput{index}
\endinput
>>> \AddFile{7}{index}
@@ -32519,11 +32530,11 @@ multind.sty\EndLink
\<imakeidx.4ht\><<<
% imakeidx.4ht (|version), generated from |jobname.tex
-% Copyright 2019-2022 TeX Users Group
+% Copyright 2019-2024 TeX Users Group
|<TeX4ht license text|>
|<imakeidx.sty|>
-
+|<latex caption index optional|>
\Hinput{imakeidx}
\endinput
@@ -32588,11 +32599,12 @@ d|<haddr prefix|>\last:haddr
\<indextools.4ht\><<<
% indextools.4ht (|version), generated from |jobname.tex
-% Copyright 2022 TeX Users Group
+% Copyright 2022-2024 TeX Users Group
|<TeX4ht license text|>
|<indextools index|>
|<indextools defs|>
|<indextools disable options|>
+|<latex caption index optional|>
\Hinput{indextools}
\endinput