[latex3-commits] [git/LaTeX3-latex3-xcolor] testl3color: correct pdfcol patch (6ebcfba)

[Ulrike Fischer]

Repository : https://github.com/latex3/xcolor
On branch  : testl3color
Link       : https://github.com/latex3/xcolor/commit/6ebcfbad4a57d220d52f684404ba566d20e3468c

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commit 6ebcfbad4a57d220d52f684404ba566d20e3468c
Author: Ulrike Fischer <fischer at troubleshooting-tex.de>
Date:   Thu Jan 19 11:13:24 2023 +0100

    correct pdfcol patch


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6ebcfbad4a57d220d52f684404ba566d20e3468c
 xcolor.dtx | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/xcolor.dtx b/xcolor.dtx
index 85a12c6..b0e1f99 100644
--- a/xcolor.dtx
+++ b/xcolor.dtx
@@ -7117,15 +7117,17 @@
 \ExplSyntaxOn
 \AddToHook{package/pdfcol/after}
   {
-   \def\pdfcolSwitchStack#1{%
-     \pdfcolIfStackExists{#1}{%
-       \expandafter\let\expandafter\@pdfcolorstack
+   \ifpdfcolAvailable
+    \def\pdfcolSwitchStack#1{%
+      \pdfcolIfStackExists{#1}{%
+        \expandafter\let\expandafter\@pdfcolorstack
                       \csname pdfcol at Stack@#1\endcsname
-       \int_set:Nn\l__color_backend_stack_int{ \@pdfcolorstack }               
-     }{%
-      \pdfcol at ErrorNoStack{#1}%
-    }%
-  }%
+        \int_set:Nn\l__color_backend_stack_int{ \@pdfcolorstack }               
+      }{%
+       \pdfcol at ErrorNoStack{#1}%
+     }%
+   }%
+  \fi 
 }
 \ExplSyntaxOff
 %</package>