reset tcolorbox labels, tex4ht r1016

git-svn-id: svn://tug.org/texlive/trunk@61147 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 28 insertions, 17 deletions

diff --git a/Master/texmf-dist/source/generic/tex4ht/ChangeLog b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
index 61d53293b0d..8993f036656 100644
--- a/Master/texmf-dist/source/generic/tex4ht/ChangeLog
+++ b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
@@ -1,10 +1,19 @@
+2021-11-24  Michal Hoftich  <michal.h21@gmail.com>
+
+	* tex4ht-4ht.tex (tcolorbox.4ht): delete label name after use, to prevent
+	it's use in subsequent Tcolorbox environments.
+
+2021-11-23  Karl Berry  <karl@freefriends.org>
+
+	* tex4ht-4ht.tex (tcolorbox.4ht): copyright 2021.
+
 2021-11-23  Michal Hoftich  <michal.h21@gmail.com>
 
-	* tex4ht-4ht.tex (tcolorbox.4ht): add destinations for \label to Tcolorbox
-	environments.
+	* 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.
+	* 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>
@@ -14,29 +23,29 @@
 
 2021-11-09  Michal Hoftich  <michal.h21@gmail.com>
 
-	* tex4ht-html4.tex (html4.4ht): added CSS declaration that enables table row
-	rules.
-	* tex4ht-html5.tex (html5.4ht): removed CSS rules declaration that was moved
-	to html4.4ht.
+	* tex4ht-html4.tex (html4.4ht): added CSS declaration that enables
+	table row rules.
+	* tex4ht-html5.tex (html5.4ht): removed CSS rules declaration that
+	was moved to html4.4ht.
 	https://tex.stackexchange.com/a/621871/2891
 
 2021-11-08  Michal Hoftich  <michal.h21@gmail.com>
 
-	* tex4ht-mathml.tex (mathml.4ht): use stretchy="false" for math operators
-	that shouldn't be stretchy.
+	* tex4ht-mathml.tex (mathml.4ht): use stretchy="false" for math
+	operators that shouldn't be stretchy.
 	https://tex.stackexchange.com/a/621839/2891
 
 2021-11-05  Michal Hoftich  <michal.h21@gmail.com>
 
 	* tex4ht-4ht.tex (hyperref-hooks.4ht, biblatex-hooks.4ht):
-	removed loading of the Nameref package from package hooks. It caused various
-	issues and I don't even remember what was the point.
+	removed loading of the Nameref package from package hooks. It
+	caused various issues and I don't even remember what was the point.
 	https://puszcza.gnu.org.ua/bugs/?534
 
 2021-11-04  Michal Hoftich  <michal.h21@gmail.com>
 
-	* tex4ht-html4.tex (html4.4ht): fix for paragraphs after AMS classes proof
-	environment.
+	* tex4ht-html4.tex (html4.4ht): fix for paragraphs after AMS
+	classes proof environment.
 	https://tex.stackexchange.com/a/621370/2891
 
 2021-10-31  Karl Berry  <karl@freefriends.org>
diff --git a/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex b/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
index 7336248518a..d47a96a81b2 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 1014 2021-11-23 16:46:25Z michal_h21 $
+% $Id: tex4ht-4ht.tex 1016 2021-11-24 13:29:14Z michal_h21 $
 % tex tex4ht-4ht   or   ht tex tex4ht-4ht
 %
 % Copyright 2009-2021 TeX Users Group    
@@ -26754,6 +26754,7 @@ We need to use dvips driver with XeLaTeX
   \ifdefined\tcolorbox:label:key%
     \AnchorLabel% save cross-ref destination
     \label{\tcolorbox:label:key}%
+    \global\let\tcolorbox:label:key\undefined% 
   \fi%
   % open title
   \b:tcolorbox%
diff --git a/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht b/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht
index 87c43ea789a..0e0dd02bff7 100644
--- a/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht
+++ b/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht
@@ -1,4 +1,4 @@
-% tcolorbox.4ht (2021-11-23-14:59), generated from tex4ht-4ht.tex
+% tcolorbox.4ht (2021-11-24-13:48), generated from tex4ht-4ht.tex
 % Copyright 2020-2021 TeX Users Group
 %
 % This work may be distributed and/or modified under the
@@ -16,7 +16,7 @@
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2021-11-23-14:59}
+\immediate\write-1{version 2021-11-24-13:48}
 
 
 % use custom counter that increments for every \tcolorbox
@@ -38,6 +38,7 @@
   \ifdefined\tcolorbox:label:key%
     \AnchorLabel% save cross-ref destination
     \label{\tcolorbox:label:key}%
+    \global\let\tcolorbox:label:key\undefined%
   \fi%
   % open title
   \b:tcolorbox%