tcolorbox \label fix, tex4ht r1128

git-svn-id: svn://tug.org/texlive/trunk@63227 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 19 insertions, 11 deletions

diff --git a/Master/texmf-dist/source/generic/tex4ht/ChangeLog b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
index 4bdb6320c77..1edae18bda1 100644
--- a/Master/texmf-dist/source/generic/tex4ht/ChangeLog
+++ b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
@@ -1,3 +1,9 @@
+2022-05-04  Michal Hoftich  <michal.h21@gmail.com>
+
+	* tex4ht-4ht.tex (tcolorbox.4ht): fixed \label support for
+	tcolorbox.
+	https://github.com/michal-h21/make4ht/issues/75
+
 2022-05-02  Michal Hoftich  <michal.h21@gmail.com>
 
 	* tex4ht-4ht.tex (xrhyper-hooks.4ht, xr-hooks.4ht): fixed support
diff --git a/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex b/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
index ac3a2f55863..6c2a34c0ba2 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 1127 2022-05-02 12:43:55Z michal_h21 $
+% $Id: tex4ht-4ht.tex 1128 2022-05-04 12:16:51Z michal_h21 $
 % tex tex4ht-4ht   or   ht tex tex4ht-4ht
 %
 % Copyright 2009-2022 TeX Users Group    
@@ -27300,10 +27300,11 @@ We need to use dvips driver with XeLaTeX
   \def\:tcbcolid{tcolobox-\arabic{:tcbcolcount}}
   % Open box
   \a:tcolorbox%
-  % save label, if it is set
+  % set label if it exists
   \ifdefined\tcolorbox:label:key%
+    \let\@currentlabel\tcolorbox:currentlabel% at this moment, \@currentlabel has wrong value
+    \o:tcb@set@label:{\tcolorbox:label:key}%
     \AnchorLabel% save cross-ref destination
-    \label{\tcolorbox:label:key}%
     \global\let\tcolorbox:label:key\undefined% 
   \fi%
   % open title
@@ -27344,10 +27345,10 @@ We need to use dvips driver with XeLaTeX
 \NewConfigure{tcolorbox}{4}
 \NewConfigure{tcolorlowerbox}{2}
 
-% we need to save label for a later use
+% we need to save current label for a later use
 \def\:tempa#1{%
   \xdef\tcolorbox:label:key{#1}%
-  \o:tcb@set@label:{#1}%
+  \global\let\tcolorbox:currentlabel\@currentlabel%
 }
 \HLet\tcb@set@label\:tempa
 
diff --git a/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht b/Master/texmf-dist/tex/generic/tex4ht/tcolorbox.4ht
index 363de9a2780..e3e8bb66275 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 (2022-01-28-15:00), generated from tex4ht-4ht.tex
+% tcolorbox.4ht (2022-05-04-14:00), generated from tex4ht-4ht.tex
 % Copyright 2020-2022 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 2022-01-28-15:00}
+\immediate\write-1{version 2022-05-04-14:00}
 
 
 % use custom counter that increments for every \tcolorbox
@@ -34,10 +34,11 @@
   \def\:tcbcolid{tcolobox-\arabic{:tcbcolcount}}
   % Open box
   \a:tcolorbox%
-  % save label, if it is set
+  % set label if it exists
   \ifdefined\tcolorbox:label:key%
+    \let\@currentlabel\tcolorbox:currentlabel% at this moment, \@currentlabel has wrong value
+    \o:tcb@set@label:{\tcolorbox:label:key}%
     \AnchorLabel% save cross-ref destination
-    \label{\tcolorbox:label:key}%
     \global\let\tcolorbox:label:key\undefined%
   \fi%
   % open title
@@ -78,10 +79,10 @@
 \NewConfigure{tcolorbox}{4}
 \NewConfigure{tcolorlowerbox}{2}
 
-% we need to save label for a later use
+% we need to save current label for a later use
 \def\:tempa#1{%
   \xdef\tcolorbox:label:key{#1}%
-  \o:tcb@set@label:{#1}%
+  \global\let\tcolorbox:currentlabel\@currentlabel%
 }
 \HLet\tcb@set@label\:tempa