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+% Copyright 2007 by Till Tantau
+%
+% This file may be distributed and/or modified
+%
+% 1. under the LaTeX Project Public License and/or
+% 2. under the GNU Public License.
+%
+% See the file doc/generic/pgf/licenses/LICENSE for more details.
+
+
+\ifx\pgfmathincluded\undefined
+\def\pgfmathincluded{}
+
+\edef\pgfmathatcode{\the\catcode`\@}
+\catcode`\@=11
+
+\input pgfsys.tex
+\input pgfmath.code.tex
+\catcode`\@=\pgfmathatcode
+
+\fi
+
+\endinput