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277 lines
7.0 KiB
277 lines
7.0 KiB
%%
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%% This is file `grfext.sty',
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%% generated with the docstrip utility.
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%%
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%% The original source files were:
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%%
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%% grfext.dtx (with options: `package')
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%%
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%% This is a generated file.
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%%
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%% Project: grfext
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%% Version: 2019/12/03 v1.3
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%%
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%% Copyright (C)
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%% 2007, 2010 Heiko Oberdiek
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%% 2016-2019 Oberdiek Package Support Group
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%%
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%% This work may be distributed and/or modified under the
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%% conditions of the LaTeX Project Public License, either
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%% version 1.3c of this license or (at your option) any later
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%% version. This version of this license is in
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%% https://www.latex-project.org/lppl/lppl-1-3c.txt
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%% and the latest version of this license is in
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%% https://www.latex-project.org/lppl.txt
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%% and version 1.3 or later is part of all distributions of
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%% LaTeX version 2005/12/01 or later.
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%%
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%% This work has the LPPL maintenance status "maintained".
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%%
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%% The Current Maintainers of this work are
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%% Heiko Oberdiek and the Oberdiek Package Support Group
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%% https://github.com/ho-tex/grfext/issues
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%%
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%%
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%% This work consists of the main source file grfext.dtx
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%% and the derived files
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%% grfext.sty, grfext.pdf, grfext.ins, grfext.drv.
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%%
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\begingroup\catcode61\catcode48\catcode32=10\relax%
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\catcode13=5 % ^^M
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\endlinechar=13 %
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\catcode35=6 % #
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\catcode39=12 % '
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\catcode44=12 % ,
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\catcode45=12 % -
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\catcode46=12 % .
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\catcode58=12 % :
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\catcode64=11 % @
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\catcode123=1 % {
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\catcode125=2 % }
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\expandafter\let\expandafter\x\csname ver@grfext.sty\endcsname
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\ifx\x\relax % plain-TeX, first loading
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\else
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\def\empty{}%
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\ifx\x\empty % LaTeX, first loading,
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% variable is initialized, but \ProvidesPackage not yet seen
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\else
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\expandafter\ifx\csname PackageInfo\endcsname\relax
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\def\x#1#2{%
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\immediate\write-1{Package #1 Info: #2.}%
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}%
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\else
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\def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
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\fi
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\x{grfext}{The package is already loaded}%
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\aftergroup\endinput
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\fi
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\fi
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\endgroup%
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\begingroup\catcode61\catcode48\catcode32=10\relax%
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\catcode13=5 % ^^M
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\endlinechar=13 %
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\catcode35=6 % #
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\catcode39=12 % '
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\catcode40=12 % (
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\catcode41=12 % )
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\catcode44=12 % ,
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\catcode45=12 % -
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\catcode46=12 % .
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\catcode47=12 % /
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\catcode58=12 % :
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\catcode64=11 % @
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\catcode91=12 % [
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\catcode93=12 % ]
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\catcode123=1 % {
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\catcode125=2 % }
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\expandafter\ifx\csname ProvidesPackage\endcsname\relax
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\def\x#1#2#3[#4]{\endgroup
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\immediate\write-1{Package: #3 #4}%
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\xdef#1{#4}%
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}%
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\else
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\def\x#1#2[#3]{\endgroup
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#2[{#3}]%
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\ifx#1\@undefined
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\xdef#1{#3}%
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\fi
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\ifx#1\relax
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\xdef#1{#3}%
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\fi
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}%
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\fi
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\expandafter\x\csname ver@grfext.sty\endcsname
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\ProvidesPackage{grfext}%
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[2019/12/03 v1.3 Manage graphics extensions (HO)]%
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\begingroup\catcode61\catcode48\catcode32=10\relax%
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\catcode13=5 % ^^M
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\endlinechar=13 %
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\catcode123=1 % {
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\catcode125=2 % }
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\catcode64=11 % @
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\def\x{\endgroup
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\expandafter\edef\csname grfext@AtEnd\endcsname{%
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\endlinechar=\the\endlinechar\relax
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\catcode13=\the\catcode13\relax
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\catcode32=\the\catcode32\relax
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\catcode35=\the\catcode35\relax
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\catcode61=\the\catcode61\relax
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\catcode64=\the\catcode64\relax
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\catcode123=\the\catcode123\relax
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\catcode125=\the\catcode125\relax
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}%
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}%
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\x\catcode61\catcode48\catcode32=10\relax%
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\catcode13=5 % ^^M
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\endlinechar=13 %
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\catcode35=6 % #
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\catcode64=11 % @
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\catcode123=1 % {
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\catcode125=2 % }
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\def\TMP@EnsureCode#1#2{%
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\edef\grfext@AtEnd{%
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\grfext@AtEnd
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\catcode#1=\the\catcode#1\relax
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}%
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\catcode#1=#2\relax
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}
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\TMP@EnsureCode{42}{12}% *
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\TMP@EnsureCode{44}{12}% ,
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\TMP@EnsureCode{47}{12}% /
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\TMP@EnsureCode{58}{12}% :
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\TMP@EnsureCode{60}{12}% <
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\TMP@EnsureCode{62}{12}% >
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\TMP@EnsureCode{91}{12}% [
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\TMP@EnsureCode{93}{12}% ]
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\edef\grfext@AtEnd{\grfext@AtEnd\noexpand\endinput}
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\@ifundefined{@expandtwoargs}{%
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\def\@expandtwoargs#1#2#3{%
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\edef\reserved@a{\noexpand#1{#2}{#3}}%
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\reserved@a
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}%
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}{}
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\newcommand*{\AppendGraphicsExtensions}{%
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\@ifundefined{Gin@extensions}{%
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\let\Gin@extensions\@empty
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}{}%
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\@ifstar{\grfext@Append\grfext@Check}{\grfext@Append\grfext@@Add}%
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}%
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\def\grfext@Append#1#2{%
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\let\grfext@Print\@gobble
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\edef\grfext@next{%
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\noexpand\grfext@Add\noexpand#1{%
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\zap@space#2 \@empty
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}{\noexpand\Gin@extensions,}{}%
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}%
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\grfext@next
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\let\grfext@Print\grfext@@Print
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\grfext@Print\AppendGraphicsExtensions
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}
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\newcommand*{\PrependGraphicsExtensions}{%
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\@ifundefined{Gin@extensions}{%
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\let\Gin@extensions\@empty
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}{}%
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\@ifstar{\grfext@Prepend\grfext@Check}{\grfext@Prepend\grfext@@Add}%
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}%
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\def\grfext@Prepend#1#2{%
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\let\grfext@Print\@gobble
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\edef\grfext@next{%
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\noexpand\grfext@Add\noexpand#1{%
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\zap@space#2 \@empty
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}{}{,\noexpand\Gin@extensions}%
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}%
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\grfext@next
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\let\grfext@Print\grfext@@Print
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\grfext@Print\PrependGraphicsExtensions
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}
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\def\grfext@Add#1#2{%
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#1{#2}%
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}
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\def\grfext@@Add#1#2#3{%
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\RemoveGraphicsExtensions{#1}%
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\ifx\Gin@extensions\@empty
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\def\Gin@extensions{#1}%
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\else
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\edef\Gin@extensions{#2#1#3}%
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\fi
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}
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\def\grfext@Check#1{%
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\let\grfext@tmp\@empty
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\@for\grfext@ext:=#1\do{%
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\@ifundefined{Gin@rule@\grfext@ext}{%
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}{%
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\ifx\grfext@tmp\@empty
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\let\grfext@tmp\grfext@ext
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\else
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\edef\grfext@tmp{\grfext@tmp,\grfext@ext}%
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\fi
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}%
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}%
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\ifx\grfext@tmp\@empty
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\def\grfext@next##1##2{}%
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\else
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\edef\grfext@next{%
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\noexpand\grfext@@Add{\grfext@tmp}%
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}%
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\fi
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\grfext@next
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}
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\newcommand*{\RemoveGraphicsExtensions}[1]{%
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\@ifundefined{Gin@extensions}{%
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\def\Gin@extensions{}%
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}{%
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\edef\grfext@tmp{\zap@space#1 \@empty}%
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\@for\grfext@ext:=\grfext@tmp\do{%
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\def\grfext@next{%
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\let\grfext@tmp\Gin@extensions
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\@expandtwoargs
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\@removeelement\grfext@ext\Gin@extensions\Gin@extensions
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\ifx\grfext@tmp\Gin@extensions
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\let\grfext@next\relax
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\fi
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\grfext@next
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}%
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\grfext@next
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}%
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}%
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\grfext@Print\RemoveGraphicsExtensions
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}
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\RequirePackage{infwarerr}[2007/09/09]
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\def\PrintGraphicsExtensions{%
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\grfext@Print\PrintGraphicsExtensions
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}
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\def\grfext@Print#1{%
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\@PackageInfo{grfext}{%
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Graphics extension search list:\MessageBreak
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\@ifundefined{Gin@extensions}{%
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<unavailable>%
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}{%
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[\Gin@extensions]%
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}\MessageBreak
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\string#1%
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}%
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}
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\let\grfext@@Print\grfext@Print
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\RequirePackage{kvdefinekeys}[2010/03/01]
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\kv@define@key{Gin}{AppendGraphicsExtensions}{%
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\AppendGraphicsExtensions{#1}%
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}
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\kv@define@key{Gin}{AppendGraphicsExtensions*}{%
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\AppendGraphicsExtensions*{#1}%
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}
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\kv@define@key{Gin}{PrependGraphicsExtensions}{%
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\PrependGraphicsExtensions{#1}%
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}
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\kv@define@key{Gin}{PrependGraphicsExtensions*}{%
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\PrependGraphicsExtensions*{#1}%
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}
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\kv@define@key{Gin}{RemoveGraphicsExtensions}{%
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\RemoveGraphicsExtensions{#1}%
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}
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\kv@define@key{Gin}{PrintGraphicsExtensions}[]{%
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\PrintGraphicsExtensions
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}
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\grfext@AtEnd%
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\endinput
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%%
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%% End of file `grfext.sty'.
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