[tex4ht-commits] [SCM] tex4ht updated: r1003 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2021-10-21 13:01:34 +0000 (Thu, 21 Oct 2021)
New Revision: 1003

Modified:
   trunk/lit/ChangeLog
   trunk/lit/tex4ht-4ht.tex
Log:
fixed the externalization support

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2021-10-20 14:58:37 UTC (rev 1002)
+++ trunk/lit/ChangeLog	2021-10-21 13:01:34 UTC (rev 1003)
@@ -1,3 +1,8 @@
+2021-10-21  Michal Hoftich  <michal.h21 at gmail.com>
+
+	* tex4ht-4ht.tex (tikz-hooks.4ht): fixed the externalization support.
+	https://tex.stackexchange.com/a/619748/2891
+
 2021-10-20  Michal Hoftich  <michal.h21 at gmail.com>
 
 	* tex4ht-fonts-kpfonts.tex: added support for Kpfonts.

Modified: trunk/lit/tex4ht-4ht.tex
===================================================================
--- trunk/lit/tex4ht-4ht.tex	2021-10-20 14:58:37 UTC (rev 1002)
+++ trunk/lit/tex4ht-4ht.tex	2021-10-21 13:01:34 UTC (rev 1003)
@@ -4447,26 +4447,26 @@
 % Copyright 2021 TeX Users Group
 |<TeX4ht license text|>
 \ifdefined\pgfsysdriver\else%
-  {\typeout{*****************************}
+  \typeout{*****************************}
   \typeout{TeX4ht info: Using dvisvgm4ht TikZ driver. Put \detokenize{\def\pgfsysdriver{driver-name}} to your 
   document before use of TikZ if you want to another driver. Use tikz+ option if your TikZ pictures use patterns.}%
-   \def\pgfsysdriver{pgfsys-dvisvgm4ht.def}%
+  \def\pgfsysdriver{pgfsys-dvisvgm4ht.def}%
 \fi%
 \:AtEndOfPackage{%
 \let\use:tikzlibrary\usetikzlibrary
 \def\find:externalize#1external#2\@nil{%
-\if\relax#2\relax\else
-  \let\tikz:externalize\tikzexternalize
-  \renewcommand\tikzexternalize[1][]{\tikz:externalize[##1,mode=only graphics]}
+  \ifdefined\tikzexternalize
+    \let\tikz:externalize\tikzexternalize
+    \renewcommand\tikzexternalize[1][]{\tikz:externalize[##1,mode=only graphics]}
     \tikzset{%
       tex4ht inc/.style={%
         /pgf/images/include external/.code={%
           \includegraphics[]{####1.pdf}%
         }%
-      }
-    }
-    \tikzset{tex4ht inc}
-  \fi
+      }%
+    }%
+    \tikzset{tex4ht inc}%
+  \fi%
 }
 \append:defI\use@@tikzlibrary{\find:externalize##1external\@nil}%
 }