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+%%
+%% This is file `ifluatex.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% ifluatex.dtx  (with options: `package')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 2007 by Heiko Oberdiek <oberdiek@uni-freiburg.de>
+%% 
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.3 of this license or (at your option) any later
+%% version. The latest version of this license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of
+%% LaTeX version 2005/12/01 or later.
+%% 
+%% This work has the LPPL maintenance status "maintained".
+%% 
+%% This Current Maintainer of this work is Heiko Oberdiek.
+%% 
+%% This work consists of the main source file ifluatex.dtx
+%% and the derived files
+%%    ifluatex.sty, ifluatex.pdf, ifluatex.ins, ifluatex.drv,
+%%    ifluatex-test1.tex.
+%% 
+\begingroup
+  \catcode44 12 % ,
+  \catcode45 12 % -
+  \catcode46 12 % .
+  \catcode58 12 % :
+  \catcode64 11 % @
+  \expandafter\let\expandafter\x\csname ver@ifluatex.sty\endcsname
+  \ifcase 0%
+    \ifx\x\relax % plain
+    \else
+      \ifx\x\empty % LaTeX
+      \else
+        1%
+      \fi
+    \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{ifluatex}{The package is already loaded}%
+    \endgroup
+    \expandafter\endinput
+  \fi
+\endgroup
+\begingroup
+  \catcode35 6 % #
+  \catcode40 12 % (
+  \catcode41 12 % )
+  \catcode44 12 % ,
+  \catcode45 12 % -
+  \catcode46 12 % .
+  \catcode47 12 % /
+  \catcode58 12 % :
+  \catcode64 11 % @
+  \catcode123 1 % {
+  \catcode125 2 % }
+  \expandafter\ifx\csname ProvidesPackage\endcsname\relax
+    \def\x#1#2#3[#4]{\endgroup
+      \immediate\write-1{Package: #3 #4}%
+      \xdef#1{#4}%
+    }%
+  \else
+    \def\x#1#2[#3]{\endgroup
+      #2[{#3}]%
+      \ifx#1\relax
+        \xdef#1{#3}%
+      \fi
+    }%
+  \fi
+\expandafter\x\csname ver@ifluatex.sty\endcsname
+\ProvidesPackage{ifluatex}%
+  [2007/12/12 v1.0 Provides the ifluatex switch (HO)]
+\begingroup
+  \catcode123 1 % {
+  \catcode125 2 % }
+  \def\x{\endgroup
+    \expandafter\edef\csname ifluatex@AtEnd\endcsname{%
+      \catcode35 \the\catcode35\relax
+      \catcode64 \the\catcode64\relax
+      \catcode123 \the\catcode123\relax
+      \catcode125 \the\catcode125\relax
+    }%
+  }%
+\x
+\catcode35 6 % #
+\catcode64 11 % @
+\catcode123 1 % {
+\catcode125 2 % }
+\def\TMP@EnsureCode#1#2{%
+  \edef\ifluatex@AtEnd{%
+    \ifluatex@AtEnd
+    \catcode#1 \the\catcode#1\relax
+  }%
+  \catcode#1 #2\relax
+}
+\TMP@EnsureCode{10}{12}% ^^J
+\TMP@EnsureCode{44}{12}% ,
+\TMP@EnsureCode{45}{12}% -
+\TMP@EnsureCode{46}{12}% .
+\TMP@EnsureCode{47}{12}% /
+\TMP@EnsureCode{58}{12}% :
+\TMP@EnsureCode{61}{12}% =
+\TMP@EnsureCode{94}{7}% ^
+\begingroup
+  \expandafter\ifx\csname ifluatex\endcsname\relax
+  \else
+    \edef\i/{\expandafter\string\csname ifluatex\endcsname}%
+    \expandafter\ifx\csname PackageError\endcsname\relax
+      \def\x#1#2{%
+        \edef\z{#2}%
+        \expandafter\errhelp\expandafter{\z}%
+        \errmessage{Package ifluatex Error: #1}%
+      }%
+      \def\y{^^J}%
+      \newlinechar=10 %
+    \else
+      \def\x#1#2{%
+        \PackageError{ifluatex}{#1}{#2}%
+      }%
+      \def\y{\MessageBreak}%
+    \fi
+    \x{Name clash, \i/ is already defined}{%
+      Incompatible versions of \i/ can cause problems,\y
+      therefore package loading is aborted.%
+    }%
+    \endgroup
+    \ifluatex@AtEnd
+    \expandafter\endinput
+  \fi
+\endgroup
+\newif\ifluatex
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname luatexversion\endcsname\relax
+\else
+  \luatextrue
+\fi
+\begingroup
+  \expandafter\ifx\csname PackageInfo\endcsname\relax
+    \def\x#1#2{%
+      \immediate\write-1{Package #1 Info: #2.}%
+    }%
+  \else
+    \let\x\PackageInfo
+    \expandafter\let\csname on@line\endcsname\empty
+  \fi
+  \x{ifluatex}{LuaTeX \ifluatex\else not \fi detected}%
+\endgroup
+\ifluatex@AtEnd
+\endinput
+%%
+%% End of file `ifluatex.sty'.