1 files changed, 19 insertions, 20 deletions
diff --git a/Master/texmf-dist/source/latex/oberdiek/pdfcol.dtx b/Master/texmf-dist/source/latex/oberdiek/pdfcol.dtx
index d7648d1cae4..03959d0adb7 100644
--- a/Master/texmf-dist/source/latex/oberdiek/pdfcol.dtx
+++ b/Master/texmf-dist/source/latex/oberdiek/pdfcol.dtx
@@ -152,7 +152,7 @@ and the derived files
 %</driver>
 % \fi
 %
-% \CheckSum{644}
+% \CheckSum{645}
 %
 % \CharacterTable
 %  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
@@ -229,7 +229,7 @@ and the derived files
 % Otherwise the other interface macros in this section will
 % be disabled with a message. Also the first use of such a
 % macro will print a message. The messages are print to
-% the \xext{.log} file only if \pdfTeX\ is not used in PDF mode.
+% the \xext{log} file only if \pdfTeX\ is not used in PDF mode.
 %
 % \begin{declcs}{pdfcolErrorNoStacks}
 % \end{declcs}
@@ -291,29 +291,26 @@ and the derived files
   \catcode46 12 % .
   \catcode58 12 % :
   \catcode64 11 % @
+  \catcode123 1 % {
+  \catcode125 2 % }
   \expandafter\let\expandafter\x\csname ver@pdfcol.sty\endcsname
-  \ifcase 0%
-    \ifx\x\relax % plain
+  \ifx\x\relax % plain-TeX, first loading
+  \else
+    \def\empty{}%
+    \ifx\x\empty % LaTeX, first loading,
+      % variable is initialized, but \ProvidesPackage not yet seen
     \else
-      \ifx\x\empty % LaTeX
+      \catcode35 6 % #
+      \expandafter\ifx\csname PackageInfo\endcsname\relax
+        \def\x#1#2{%
+          \immediate\write-1{Package #1 Info: #2.}%
+        }%
       \else
-        1%
+        \def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
       \fi
+      \x{pdfcol}{The package is already loaded}%
+      \aftergroup\endinput
     \fi
-  \else
-    \catcode35 6 % #
-    \catcode123 1 % {
-    \catcode125 2 % }
-    \expandafter\ifx\csname PackageInfo\endcsname\relax
-      \def\x#1#2{%
-        \immediate\write-1{Package #1 Info: #2.}%
-      }%
-    \else
-      \def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
-    \fi
-    \x{pdfcol}{The package is already loaded}%
-    \endgroup
-    \expandafter\endinput
   \fi
 \endgroup
 %    \end{macrocode}
@@ -329,6 +326,8 @@ and the derived files
   \catcode47 12 % /
   \catcode58 12 % :
   \catcode64 11 % @
+  \catcode91 12 % [
+  \catcode93 12 % ]
   \catcode123 1 % {
   \catcode125 2 % }
   \expandafter\ifx\csname ProvidesPackage\endcsname\relax