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-rw-r--r--macros/plain/graphics/miniltx.tex13
1 files changed, 12 insertions, 1 deletions
diff --git a/macros/plain/graphics/miniltx.tex b/macros/plain/graphics/miniltx.tex
index 6f4085dbc0..8a747790bf 100644
--- a/macros/plain/graphics/miniltx.tex
+++ b/macros/plain/graphics/miniltx.tex
@@ -2,7 +2,7 @@
%%%
%%% Parts of LaTeX: Slightly changed/simplified in places.
%%% Changes
-%%% Copyright 1996-2021 David Carlisle LaTeX3 Project
+%%% Copyright 1996-2022 David Carlisle LaTeX3 Project
%%% Original Code
%%% Copyright 1993-1996 LaTeX3 Project and original authors
%%%
@@ -28,6 +28,8 @@
% 2019/07/20 more updates for latex drivers
% 2020/03/02 move to own git repository and add newcommand fix from issue #2
% 2021/11/15 Define \@backslashchar for issue #4
+% 2022/06/13 Define \@ehd error help (usedby color errors)
+% Define fallback \mathcolor so color package does not require expl3
\edef\resetatcatcode{\catcode`\noexpand\@\the\catcode`\@\relax}
@@ -325,6 +327,8 @@
\def\on@line{ on input line \the\inputlineno}
\ifx\@ehc\@undefined\def\@ehc{}\fi
+% 2022/06/13
+\ifx\@ehd\@undefined\def\@ehd{}\fi
\def\PackageError#1#2#3{{%
\newlinechar`\^^J\def\MessageBreak{^^J\space\space#1: }%
@@ -537,3 +541,10 @@
\def\set@curr@file#1{\xdef\@curr@file{#1}}
\fi
+% 2022/06/13
+\ifx\mathcolor\@undefined
+ % simplified version of \mathcolor
+ \protected\def\mathcolor{\begingroup\@ifnextchar[\mlx@mathcolora\mlx@mathcolorb}
+ \long\def\mlx@mathcolora[#1]#2#3{\color[#1]{#2}#3\endgroup}
+ \long\def\mlx@mathcolorb#1#2{\color{#1}#2\endgroup}
+\fi