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Edit File: protecteddef.sty

%%
%% This is file `protecteddef.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% protecteddef.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Project: protecteddef
%% Version: 2011/01/31 v1.0
%% 
%% Copyright (C) 2011 by
%%    Heiko Oberdiek <heiko.oberdiek at googlemail.com>
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and 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.
%% 
%% The Base Interpreter refers to any `TeX-Format',
%% because some files are installed in TDS:tex/generic//.
%% 
%% This work consists of the main source file protecteddef.dtx
%% and the derived files
%%    protecteddef.sty, protecteddef.pdf, protecteddef.ins, protecteddef.drv,
%%    protecteddef-test1.tex, protecteddef-test2.tex.
%% 
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode35=6 % #
  \catcode39=12 % '
  \catcode44=12 % ,
  \catcode45=12 % -
  \catcode46=12 % .
  \catcode58=12 % :
  \catcode64=11 % @
  \catcode123=1 % {
  \catcode125=2 % }
  \expandafter\let\expandafter\x\csname ver@protecteddef.sty\endcsname
  \ifx\x\relax % plain-TeX, first loading
  \else
    \def\empty{}%
    \ifx\x\empty % LaTeX, first loading,
      % variable is initialized, but \ProvidesPackage not yet seen
    \else
      \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{protecteddef}{The package is already loaded}%
      \aftergroup\endinput
    \fi
  \fi
\endgroup%
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode35=6 % #
  \catcode39=12 % '
  \catcode40=12 % (
  \catcode41=12 % )
  \catcode44=12 % ,
  \catcode45=12 % -
  \catcode46=12 % .
  \catcode47=12 % /
  \catcode58=12 % :
  \catcode64=11 % @
  \catcode91=12 % [
  \catcode93=12 % ]
  \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\@undefined
        \xdef#1{#3}%
      \fi
      \ifx#1\relax
        \xdef#1{#3}%
      \fi
    }%
  \fi
\expandafter\x\csname ver@protecteddef.sty\endcsname
\ProvidesPackage{protecteddef}%
  [2011/01/31 v1.0 Define protected commands (HO)]%
\begingroup\catcode61\catcode48\catcode32=10\relax%
  \catcode13=5 % ^^M
  \endlinechar=13 %
  \catcode123=1 % {
  \catcode125=2 % }
  \catcode64=11 % @
  \def\x{\endgroup
    \expandafter\edef\csname ProDef@AtEnd\endcsname{%
      \endlinechar=\the\endlinechar\relax
      \catcode13=\the\catcode13\relax
      \catcode32=\the\catcode32\relax
      \catcode35=\the\catcode35\relax
      \catcode61=\the\catcode61\relax
      \catcode64=\the\catcode64\relax
      \catcode123=\the\catcode123\relax
      \catcode125=\the\catcode125\relax
    }%
  }%
\x\catcode61\catcode48\catcode32=10\relax%
\catcode13=5 % ^^M
\endlinechar=13 %
\catcode35=6 % #
\catcode64=11 % @
\catcode123=1 % {
\catcode125=2 % }
\def\TMP@EnsureCode#1#2{%
  \edef\ProDef@AtEnd{%
    \ProDef@AtEnd
    \catcode#1=\the\catcode#1\relax
  }%
  \catcode#1=#2\relax
}
\TMP@EnsureCode{38}{4}% &
\TMP@EnsureCode{40}{12}% (
\TMP@EnsureCode{41}{12}% )
\TMP@EnsureCode{42}{12}% *
\TMP@EnsureCode{45}{12}% -
\TMP@EnsureCode{46}{12}% .
\TMP@EnsureCode{47}{12}% /
\TMP@EnsureCode{91}{12}% [
\TMP@EnsureCode{93}{12}% ]
\TMP@EnsureCode{96}{12}% `
\edef\ProDef@AtEnd{\ProDef@AtEnd\noexpand\endinput}
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname RequirePackage\endcsname\relax
  \def\TMP@RequirePackage#1[#2]{%
    \begingroup\expandafter\expandafter\expandafter\endgroup
    \expandafter\ifx\csname ver@#1.sty\endcsname\relax
      \input #1.sty\relax
    \fi
  }%
\else
  \let\TMP@RequirePackage\RequirePackage
\fi
\TMP@RequirePackage{ltxcmds}[2010/12/12]%
\TMP@RequirePackage{infwarerr}[2010/04/08]%
\def\ProDef@temp#1{%
  \expandafter\def\csname ProDef@param[#1]\endcsname % hash-ok
}
\expandafter\def\csname ProDef@param\endcsname{}
\ProDef@temp0{}
\ProDef@temp1{##1}
\ProDef@temp2{##1##2}
\ProDef@temp3{##1##2##3}
\ProDef@temp4{##1##2##3##4}
\ProDef@temp5{##1##2##3##4##5}
\ProDef@temp6{##1##2##3##4##5##6}
\ProDef@temp7{##1##2##3##4##5##7}
\ProDef@temp8{##1##2##3##4##5##7##8}
\ProDef@temp9{##1##2##3##4##5##7##8##9}
\ltx@IfUndefined{@ifdefinable}{%
  \long\def\ProDef@IfDefinable#1{%
    \begingroup
      \escapechar=-1 %
    \ltx@ifundefined{\string#1}{%
      \endgroup
      \ltx@firstofone
    }{%
      \expandafter\endgroup
      \expandafter
      \edef\expandafter\ProDef@temp\expandafter{\string#1 }%
      \@PackageError{protecteddef}{%
        Command \ltx@backslashchar\ProDef@temp already defined%
      }\@ehc
      \ltx@gobbletwo
    }%
  }%
}{%
  \long\def\ProDef@IfDefinable#1{%
    \let\ProDef@next\ltx@gobbletwo
    \@ifdefinable{#1}{%
      \let\ProDef@next\ltx@firstofone
    }%
    \ProDef@next
  }%
}
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname protected\endcsname\relax
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname DeclareRobustCommand\endcsname\relax
    \catcode`\&=14 % comment
  \else
    \newcommand*{\ProtectedDef}{%
      \ltx@ifnextchar*{%
        \ProDef@ProtectedDef
      }{%
        \ProDef@ProtectedDef{}%
      }%
    }%
    \long\def\ProDef@ProtectedDef#1#2#3#{%
      \ProDef@IfDefinable{#2}{%
        \ltx@IfUndefined{ProDef@param#3}{%
          \DeclareRobustCommand*{#2}{}%
          \begingroup
            \escapechar=-1 %
            \def\ProDef@temp{#1}%
          \edef\x{\endgroup
            \ifx\ProDef@temp\ltx@empty
              \noexpand\long
            \fi
            \noexpand\def
            \expandafter\noexpand\csname\string#2 \endcsname
          }%
          \x#3%
        }{%
          \DeclareRobustCommand#1{#2}#3%
        }%
      }%
    }%
    \expandafter\expandafter\expandafter\ProDef@AtEnd
  \fi
\else
  \catcode`\&=9 % ignore
\fi%
\ProDef@IfDefinable\ProtectedDef{%
&  \protected
  \def\ProtectedDef%
}{%
  \ltx@ifnextchar*{%
    \let\ProDef@long\ltx@empty
    \expandafter\ProDef@ProtectedDef\ltx@gobble
  }{%
    \let\ProDef@long\long
    \ProDef@ProtectedDef
  }%
}
\long\def\ProDef@ProtectedDef#1#2#{%
  \ProDef@IfDefinable{#1}{%
    \ltx@IfUndefined{ProDef@param#2}{%
&     \protected
      \ProDef@long
      \def#1#2%
    }{%
&     \protected
      \ProDef@long
      \expandafter\expandafter\expandafter\def
      \expandafter\expandafter\expandafter#1%
      \csname ProDef@param#2\endcsname
    }%
  }%
}
\ProDef@AtEnd%
\endinput
%%
%% End of file `protecteddef.sty'.