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-rw-r--r--graphics/pgf/contrib/tikz-trackschematic/tikzlibrarytrackschematic.code.tex3
1 files changed, 3 insertions, 0 deletions
diff --git a/graphics/pgf/contrib/tikz-trackschematic/tikzlibrarytrackschematic.code.tex b/graphics/pgf/contrib/tikz-trackschematic/tikzlibrarytrackschematic.code.tex
index 408695925b..0b86415c41 100644
--- a/graphics/pgf/contrib/tikz-trackschematic/tikzlibrarytrackschematic.code.tex
+++ b/graphics/pgf/contrib/tikz-trackschematic/tikzlibrarytrackschematic.code.tex
@@ -7,6 +7,9 @@
\ProvidesFileRCS{tikzlibrarytrackschematic.code.tex}%
%
\RequirePackage{tikz,etoolbox}%
+% colors
+\colorlet{background}{white}
+\colorlet{foreground}{black}
%
%%%%%%%%%%%%%%%
% loading sublibraries