[tex4ht-commits] [SCM] tex4ht updated: r1164 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2022-07-01 14:16:09 +0000 (Fri, 01 Jul 2022)
New Revision: 1164

Modified:
   trunk/lit/ChangeLog
   trunk/lit/tex4ht-4ht.tex
Log:
Fixed handling of undefined referenced in the \hyperref command

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2022-06-30 15:37:22 UTC (rev 1163)
+++ trunk/lit/ChangeLog	2022-07-01 14:16:09 UTC (rev 1164)
@@ -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/lit/tex4ht-4ht.tex
===================================================================
--- trunk/lit/tex4ht-4ht.tex	2022-06-30 15:37:22 UTC (rev 1163)
+++ trunk/lit/tex4ht-4ht.tex	2022-07-01 14:16:09 UTC (rev 1164)
@@ -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.