ltxcmds.sty

%%
%% This is file `ltxcmds.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ltxcmds.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Copyright (C) 2009, 2010 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 ltxcmds.dtx
%% and the derived files
%%    ltxcmds.sty, ltxcmds.pdf, ltxcmds.ins, ltxcmds.drv,
%%    ltxcmds-test1.tex.
%% 
\begingroup
  \catcode44 12 % ,
  \catcode45 12 % -
  \catcode46 12 % .
  \catcode58 12 % :
  \catcode64 11 % @
  \catcode123 1 % {
  \catcode125 2 % }
  \expandafter\let\expandafter\x\csname ver@ltxcmds.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
      \catcode35 6 % #
      \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{ltxcmds}{The package is already loaded}%
      \aftergroup\endinput
    \fi
  \fi
\endgroup
\begingroup
  \catcode35 6 % #
  \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@ltxcmds.sty\endcsname
\ProvidesPackage{ltxcmds}%
  [2010/03/09 v1.4 LaTeX kernel commands for general use (HO)]
\begingroup
  \catcode123 1 % {
  \catcode125 2 % }
  \def\x{\endgroup
    \expandafter\edef\csname LTXcmds@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\LTXcmds@AtEnd{%
    \LTXcmds@AtEnd
    \catcode#1 \the\catcode#1\relax
  }%
  \catcode#1 #2\relax
}
\TMP@EnsureCode{40}{12}% (
\TMP@EnsureCode{41}{12}% )
\TMP@EnsureCode{45}{12}% -
\TMP@EnsureCode{46}{12}% .
\TMP@EnsureCode{47}{12}% /
\TMP@EnsureCode{60}{12}% <
\TMP@EnsureCode{61}{12}% =
\TMP@EnsureCode{62}{12}% >
\TMP@EnsureCode{91}{12}% [
\TMP@EnsureCode{96}{12}% `
\TMP@EnsureCode{93}{12}% ]
\TMP@EnsureCode{94}{12}% ^ (superscript) (!)
\TMP@EnsureCode{124}{12}% |
\chardef\ltx@zero=0 %
\chardef\ltx@one=1 %
\chardef\ltx@two=2 %
\chardef\ltx@cclv=255 %
\long\def\ltx@gobble#1{}
\long\def\ltx@gobbletwo#1#2{}
\long\def\ltx@gobblethree#1#2#3{}
\long\def\ltx@gobblefour#1#2#3#4{}
\long\def\ltx@firstofone#1{#1}
\long\def\ltx@firstoftwo#1#2{#1}
\long\def\ltx@secondoftwo#1#2{#2}
\long\def\ltx@car#1#2\@nil{#1}
\long\def\ltx@cdr#1#2\@nil{#2}
\long\def\ltx@ReturnAfterFi#1\fi{#1}
\long\def\ltx@ReturnAfterFi#1\else#2\fi{#1}
\def\ltx@empty{}
\def\ltx@space{ }
\begingroup
  \lccode`0=`\%\relax
\lowercase{\endgroup
  \def\ltx@percentchar{0}%
}
\begingroup
  \lccode`0=`\\\relax
\lowercase{\endgroup
  \def\ltx@backslashchar{0}%
}
\def\ltx@newif#1{%
  \begingroup
    \escapechar=-1 %
  \expandafter\endgroup
  \expandafter\LTXcmds@newif\string#1\@nil
}
\begingroup
  \escapechar=-1 %
\expandafter\endgroup
\expandafter\def\expandafter\LTXcmds@newif\string\if#1\@nil{%
  \expandafter\edef\csname#1true\endcsname{%
    \let
    \expandafter\noexpand\csname if#1\endcsname
    \noexpand\iftrue
  }%
  \expandafter\edef\csname#1false\endcsname{%
    \let
    \expandafter\noexpand\csname if#1\endcsname
    \noexpand\iffalse
  }%
  \csname#1false\endcsname
}
\def\ltx@LocalExpandAfter{%
  \begingroup
    \expandafter\expandafter\expandafter
  \endgroup
  \expandafter
}
\ltx@LocalExpandAfter
\ifx\csname ifcsname\endcsname\relax
  \def\ltx@ifundefined#1{%
    \expandafter\ifx\csname #1\endcsname\relax
      \expandafter\ltx@firstoftwo
    \else
      \expandafter\ltx@secondoftwo
    \fi
  }%
  \def\ltx@IfUndefined#1{%
    \begingroup\expandafter\expandafter\expandafter\endgroup
    \expandafter\ifx\csname #1\endcsname\relax
      \expandafter\ltx@firstoftwo
    \else
      \expandafter\ltx@secondoftwo
    \fi
  }%
  \expandafter\ltx@gobble
\else
  \expandafter\ltx@firstofone
\fi
{%
  \def\ltx@ifundefined#1{%
    \ifcsname #1\endcsname
      \expandafter\ifx\csname #1\endcsname\relax
        \expandafter\expandafter\expandafter\ltx@firstoftwo
      \else
        \expandafter\expandafter\expandafter\ltx@secondoftwo
      \fi
    \else
      \expandafter\ltx@firstoftwo
    \fi
  }%
  \let\ltx@IfUndefined\ltx@ifundefined
}
\def\ltx@RemovePrefix#1>{}
\def\ltx@StripPrefix{%
  \expandafter\ltx@RemovePrefix
}
\def\ltx@clsextension{cls}
\def\ltx@pkgextension{sty}
\def\ltx@iffileloaded#1{%
  \ltx@ifundefined{ver@#1}\ltx@secondoftwo\ltx@firstoftwo
}
\def\ltx@ifclassloaded#1{%
  \ltx@iffileloaded{#1.\ltx@clsextension}%
}
\def\ltx@ifpackageloaded#1{%
  \ltx@iffileloaded{#1.\ltx@pkgextension}%
}
\def\ltx@iffilelater#1#2{%
  \ltx@iffileloaded{#1}{%
    \expandafter\LTXcmds@IfLater\expandafter{%
      \number
      \expandafter\expandafter\expandafter\LTXcmds@ParseVersion
      \expandafter\expandafter\expandafter{%
        \csname ver@#1\endcsname
      }%
    \expandafter}\expandafter{%
      \number
      \expandafter\LTXcmds@ParseVersion\expandafter{#2}%
    }%
  }\ltx@secondoftwo
}
\def\LTXcmds@IfLater#1#2{%
  \ifcase 0%
      \ifnum#1<19940101 %
      \else
        \ifnum#2<19940101 %
        \else
          \ifnum#2>#1 %
          \else
            1%
          \fi
        \fi
      \fi
      \ltx@space
    \expandafter\ltx@secondoftwo
  \else
    \expandafter\ltx@firstoftwo
  \fi
}
\def\ltx@ifclasslater#1{%
  \ltx@ifclasslater{#1.\ltx@clsextension}%
}
\def\ltx@ifpackagelater#1{%
  \ltx@iffilelater{#1.\ltx@pkgextension}%
}
\ltx@IfUndefined{pdfmatch}{%
  \def\LTXcmds@ParseVersion#1{%
    \LTXcmds@@ParseVersion#10000/00/00\@nil
  }%
  \def\LTXcmds@@ParseVersion#1#2#3#4/#5#6/#7#8#9\@nil{%
    #1#2#3#4#5#6#7#8%
  }%
}{%
  \def\LTXcmds@ParseVersion#1{%
    \ifnum\pdfmatch{%
      ^%
      (199[4-9]|[2-9][0-9][0-9][0-9])/%
      (0[1-9]|1[0-2])/%
      (0[1-9]|[1-2][0-9]|3[0-1])%
    }{#1}=1 %
      \ltx@StripPrefix\pdflastmatch1 %
      \ltx@StripPrefix\pdflastmatch2 %
      \ltx@StripPrefix\pdflastmatch3 %
    \else
      0%
    \fi
  }%
}
\def\ltx@GlobalAppendToMacro#1#2{%
  \ifx\ltx@undefined#1%
    \let#1\ltx@empty
  \else
    \ifx\relax#1%
      \let#1\ltx@empty
    \fi
  \fi
  \begingroup
    \toks0\expandafter{#1#2}%
    \xdef#1{\the\toks0}%
  \endgroup
}
\def\ltx@LocalAppendToMacro#1#2{%
  \global\let\LTXcmds@gtemp#1%
  \ifx\ltx@undefined\LTXcmds@gtemp
    \global\let\LTXcmds@gtemp\ltx@empty
  \else
    \ifx\relax\LTXcmds@gtemp
      \global\letLTXcmds@gtemp\ltx@empty
    \fi
  \fi
  \begingroup
    \toks0\expandafter{\LTXcmds@gtemp#2}%
    \xdef\LTXcmds@gtemp{\the\toks0}%
  \endgroup
  \let#1\LTXcmds@gtemp
}
\long\def\ltx@ifnextchar#1#2#3{%
  \begingroup
  \let\LTXcmds@CharToken= #1\relax
  \toks\ltx@zero{#2}%
  \toks\ltx@two{#3}%
  \futurelet\LTXcmds@LetToken\LTXcmds@ifnextchar
}
\def\LTXcmds@ifnextchar{%
  \ifx\LTXcmds@LetToken\LTXcmds@CharToken
    \expandafter\endgroup\the\toks\expandafter\ltx@zero
  \else
    \ifx\LTXcmds@LetToken\LTXcmds@SpaceToken
      \expandafter\expandafter\expandafter\LTXcmds@@ifnextchar
    \else
      \expandafter\endgroup\the\toks
      \expandafter\expandafter\expandafter\ltx@two
    \fi
  \fi
}
\begingroup
  \def\x#1{\endgroup
    \def\LTXcmds@@ifnextchar#1{%
      \futurelet\LTXcmds@LetToken\LTXcmds@ifnextchar
    }%
  }%
\x{ }
\begingroup
  \def\x#1{\endgroup
    \let\LTXcmds@SpaceToken= #1%
  }%
\x{ }
\LTXcmds@AtEnd
\endinput
%%
%% End of file `ltxcmds.sty'.