texlive[63781] Master/texmf-dist: \hyperref undefined ref, tex4ht

[commits+karl at tug.org]

Revision: 63781
          http://tug.org/svn/texlive?view=revision&revision=63781
Author:   karl
Date:     2022-07-01 23:55:38 +0200 (Fri, 01 Jul 2022)
Log Message:
-----------
\hyperref undefined ref, tex4ht r1164

Revision Links:
--------------
    http://tug.org/svn/texlive?view=revision&revision=1164

Modified Paths:
--------------
    trunk/Master/texmf-dist/source/generic/tex4ht/ChangeLog
    trunk/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
    trunk/Master/texmf-dist/tex/generic/tex4ht/hyperref.4ht

Modified: trunk/Master/texmf-dist/source/generic/tex4ht/ChangeLog
===================================================================
--- trunk/Master/texmf-dist/source/generic/tex4ht/ChangeLog	2022-07-01 20:48:32 UTC (rev 63780)
+++ trunk/Master/texmf-dist/source/generic/tex4ht/ChangeLog	2022-07-01 21:55:38 UTC (rev 63781)
@@ -1,3 +1,9 @@
+2022-07-01  Michal Hoftich  <michal.h21 at gmail.com>
+
+	* tex4ht-4ht.tex (hyperref.4ht): fixed handling of undefined
+	references in the \hyperref command.
+	https://tex.stackexchange.com/a/649552/2891
+
 2022-06-30  Michal Hoftich  <michal.h21 at gmail.com>
 
 	* tex4ht-mathml.tex (mathml.4ht): retain text formatting inside

Modified: trunk/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex
===================================================================
--- trunk/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex	2022-07-01 20:48:32 UTC (rev 63780)
+++ trunk/Master/texmf-dist/source/generic/tex4ht/tex4ht-4ht.tex	2022-07-01 21:55:38 UTC (rev 63781)
@@ -1,4 +1,4 @@
-% $Id: tex4ht-4ht.tex 1161 2022-06-27 10:03:53Z michal_h21 $
+% $Id: tex4ht-4ht.tex 1164 2022-07-01 14:16:09Z michal_h21 $
 % tex tex4ht-4ht   or   ht tex tex4ht-4ht
 %
 % Copyright 2009-2022 TeX Users Group    
@@ -5321,10 +5321,7 @@
 %  \Configure{ref}{}{}{}\ref{#1}}}
 
 \<config hyperref\><<<
-\def\label at hyperref[#1]#2{{%
-   \def\hyperrefLabel{#2}%
-   \Configure{ref}
-     {\Link}{\EndLink}{\Configure{ref}{}{}{}#2}\ref{#1}}}
+|<label@@hyperref|>
 |<autoref references|>
 |<restore pre hyperref|>
 |<nameref.sty NOT HERE|>
@@ -5331,6 +5328,35 @@
 \csname ReadBookmarks\endcsname
 >>>
 
+% We don't use this code anymore
+% \def\label at hyperref[#1]#2{{%
+%    \def\hyperrefLabel{#2}%
+%    \Configure{ref}
+%      {\Link}{\EndLink}{\Configure{ref}{}{}{}#2}\ref{#1}}}
+
+The  \Verb+\hyperref[label]{title}+ command should print the 
+title when label is undefined. The older configuration printed
+?? instead. This should fix this issue. 
+\Link{https://tex.stackexchange.com/a/649552/2891}{}More info\EndLink.
+
+\<label@@hyperref\><<<
+\def\label@@hyperref#1#2#3{%
+  \ifx#1\relax
+    \protect\G at refundefinedtrue
+    \@latex at warning{%
+      Hyper reference `#2' on page \thepage \space undefined%
+    }%
+    \begingroup
+      \hyperrefundefinedlink{#3}%
+    \endgroup
+  \else%
+    \def\hyperrefLabel{#3}%
+    \Configure{ref}%
+      {\Link}{\EndLink}{\Configure{ref}{}{}{}#3}\ref{#2}%
+  \fi
+}
+>>>
+
 A \Verb+\def\@@hyperref#1#2#3{\Link[#2]{}{}#1\EndLink}+
 got removed since it fails the second case below.
 

Modified: trunk/Master/texmf-dist/tex/generic/tex4ht/hyperref.4ht
===================================================================
--- trunk/Master/texmf-dist/tex/generic/tex4ht/hyperref.4ht	2022-07-01 20:48:32 UTC (rev 63780)
+++ trunk/Master/texmf-dist/tex/generic/tex4ht/hyperref.4ht	2022-07-01 21:55:38 UTC (rev 63781)
@@ -1,4 +1,4 @@
-% hyperref.4ht (2022-04-14-13:38), generated from tex4ht-4ht.tex
+% hyperref.4ht (2022-07-01-14:27), generated from tex4ht-4ht.tex
 % Copyright 1999-2009 Eitan M. Gurari
 % Copyright 2009-2022 TeX Users Group
 %
@@ -17,7 +17,7 @@
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2022-04-14-13:38}
+\immediate\write-1{version 2022-07-01-14:27}
 
 \csname end:hyperref\endcsname
 
@@ -361,10 +361,22 @@
                      \endcsname{\let\hyper:normalise\def}%
   \expandafter\pend:def\csname href \endcsname{\let\hyper:normalise\def}%
   \pend:defI\T at ref{\edef\RefArg{##1}}}
-\def\label at hyperref[#1]#2{{%
-   \def\hyperrefLabel{#2}%
-   \Configure{ref}
-     {\Link}{\EndLink}{\Configure{ref}{}{}{}#2}\ref{#1}}}
+\def\label@@hyperref#1#2#3{%
+  \ifx#1\relax
+    \protect\G at refundefinedtrue
+    \@latex at warning{%
+      Hyper reference `#2' on page \thepage \space undefined%
+    }%
+    \begingroup
+      \hyperrefundefinedlink{#3}%
+    \endgroup
+  \else%
+    \def\hyperrefLabel{#3}%
+    \Configure{ref}%
+      {\Link}{\EndLink}{\Configure{ref}{}{}{}#3}\ref{#2}%
+  \fi
+}
+
 \Configure{@newlabel}{\@onelevel at sanitize\@currentlabelname}
 \append:def\protect:wrtoc{\def\ref{\protect\o:ref}}