[tex4ht-commits] [SCM] tex4ht updated: r1432 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2024-01-04 21:04:24 +0000 (Thu, 04 Jan 2024)
New Revision: 1432

Modified:
   trunk/lit/ChangeLog
   trunk/lit/tex4ht-4ht.tex
Log:
fixed support for empty dimensions in adjustwidth environment

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2024-01-04 15:53:40 UTC (rev 1431)
+++ trunk/lit/ChangeLog	2024-01-04 21:04:24 UTC (rev 1432)
@@ -1,5 +1,8 @@
 2024-01-04  Michal Hoftich  <michal.h21 at gmail.com>
 
+	* tex4ht-4ht.tex (changepage.4ht): fixed setting of empty margins.
+	https://github.com/michal-h21/tex4ebook/issues/120
+
 	* tex4ht-4ht.tex (fancyvrb.4ht): changed redefinition of \FVC at Verb
 	so it doesn't cause runtime errors with Minted's \mintinline.
 	https://github.com/michal-h21/make4ht/issues/141

Modified: trunk/lit/tex4ht-4ht.tex
===================================================================
--- trunk/lit/tex4ht-4ht.tex	2024-01-04 15:53:40 UTC (rev 1431)
+++ trunk/lit/tex4ht-4ht.tex	2024-01-04 21:04:24 UTC (rev 1432)
@@ -33281,7 +33281,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%
 \<changepage.4ht\><<<
 % changepage.4ht (|version), generated from |jobname.tex
-% Copyright 2023 TeX Users Group
+% Copyright 2023-2024 TeX Users Group
 |<TeX4ht license text|>
 |<changepage shared config|>
 \Hinput{changepage}
@@ -33293,12 +33293,15 @@
 We will instead save the margin didmension for the further processing in the output
 format configuration. 
 
+
 \<changepage shared config\><<<
 \NewConfigure{adjustwidth}{2}
 
 \def\:tempa#1#2{%
-  \def\adjustwidth:left{#1}%
-  \def\adjustwidth:right{#2}%
+  % arguments can be empty, in that case we must declare 
+  % the margins as null dimension, to prevent calculation errors
+  \edef\adjustwidth:left{\if\relax#1\relax0pt\else#1\fi}%
+  \edef\adjustwidth:right{\if\relax#2\relax0pt\else#2\fi}%
   \a:adjustwidth%
 }
 \HLet\adjustwidth\:tempa