%%
%% This is file `labelcas.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% labelcas.dtx  (with options: `labelcas')
%%
%% This is a generated file.
%%
%% Copyright (C) 2006 by Ulrich Diez <[email protected]>
%%
%% This file 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
%% 2003/12/01 or later.
%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{labelcas}
  [2006/08/14 v1.12 check label-existence and fork accordingly]
\begingroup
\DeclareOption{DefineLabelcase}%
             {\global\let\DefineLabelcase\DefineLabelcase}%
\newcommand\DefineLabelcase[4]{%
 \expandafter\@ifdefinable\csname#3lc@remtrailspace\endcsname{%
   \expandafter\long
   \expandafter\def
   \csname#3lc@remtrailspace\endcsname##1#1#2##2#2#1{%
     \begingroup
     \toks@{##2}%
     \edef\@tempa{\the\toks@}%
     \expandafter\endgroup
     \ifx\@tempa\@empty
       \expandafter\@firstoftwo
     \else
       \expandafter\@secondoftwo
     \fi
     {%
       {\toks@{##1}\edef\@tempa{\the\toks@}%
        \toks@{#2}\edef\@tempb{\the\toks@}%
        \expandafter}%
       \ifx\@tempa\@tempb
         \expandafter\@gobble
       \else
         \expandafter\@firstofone
       \fi
       {\csname#3lc@remleadspace\endcsname#2##1#1#2#2}%
     }%
     {\csname#3lc@remtrailspace\endcsname##1#2#1#2#2#1}%
   }%
 }%
 \expandafter\@ifdefinable\csname#3lc@remleadspace\endcsname{%
   \expandafter\long
   \expandafter\def
   \csname#3lc@remleadspace\endcsname##1#2#1##2#2#2{%
     \begingroup
     \toks@{##1}%
     \edef\@tempa{\the\toks@}%
     \expandafter\endgroup
     \ifx\@tempa\@empty
       \expandafter\@firstoftwo
     \else
       \expandafter\@secondoftwo
     \fi
     {\csname#3lc@remleadspace\endcsname#2##2#2#2}%
     {\@tempa##1#2}%
   }%
 }%
 \expandafter\@ifdefinable\csname#3lc@iterate\endcsname{%
   \expandafter\long
   \expandafter\def
   \csname#3lc@iterate\endcsname##1#2{%
     \begingroup
     \toks@{##1}%
     \edef\@tempa{\the\toks@}%
     \toks@{#1\@nil}%
     \edef\@tempb{\the\toks@}%
     \expandafter\endgroup\ifx\@tempa\@tempb
       \expandafter\@gobble
     \else
       \expandafter\@firstofone
     \fi
     {%
       \csname#3lc@remtrailspace\endcsname##1#2#1#2#2#1%
       \csname#3lc@iterate\endcsname#1%
     }%
   }%
 }%
 \expandafter\@ifdefinable\csname#3eachlabelcase\endcsname{%
   \expandafter\DeclareRobustCommand
   \csname#3eachlabelcase\endcsname[2][]{%
     {%
       \long\def\@tempa#2####1#2{%
         \@tempb####1#2#1#2#2%
       }%
       \long\def\@tempb####1{%
         \begingroup
         \long\def\@tempb########1########2########3{%
           \expandafter\expandafter
           \expandafter\endgroup
           \expandafter\ifx
           \csname r@########1\endcsname\relax
             \expandafter\@firstoftwo
           \else
             \expandafter\@secondoftwo
           \fi
           {\@temptokena\expandafter{\the\@temptokena########3}}%
           {\@temptokena\expandafter{\the\@temptokena########2}}%
         }%
         \begingroup
         \toks@{}%
         \long\def\@tempb########1{%
           \long\def\@tempa#2################1#2{%
             \toks@\expandafter{\the\toks@{################1}}%
             \expandafter\endgroup\expandafter\@tempb\the\toks@
           }%
           \toks@\expandafter{\the\toks@{########1}}%
           \csname#3lc@remleadspace\endcsname#2%
         }%
         \toks@{{####1}}\csname#3lc@remleadspace\endcsname#2%
       }%
       \@temptokena{}%
       \csname#3lc@iterate\endcsname#1##2#2\@nil#2%
       \lc@macrodefiner{##1}%
     \expandafter}\the\@temptokena
   }%
 }%
 \expandafter\@ifdefinable\csname#3lotlabelcase\endcsname{%
   \expandafter\DeclareRobustCommand
   \csname#3lotlabelcase\endcsname[6][]{%
     {%
       \long\def\@tempa#2####1#2{%
         {\expandafter\expandafter\expandafter}\expandafter
         \ifx\csname r@####1\endcsname\relax
           \let\@tempb\relax
         \else
           \let\@tempc\relax
         \fi
       }%
       \def\@tempb{}%
       \def\@tempc{}%
       \csname#3lc@iterate\endcsname#1##2#2\@nil#2%
       \ifx\@tempb\@empty
         \ifx\@tempc\@empty
           \@temptokena{##6}%
         \else
           \@temptokena{##3}%
         \fi
       \else
         \ifx\@tempc\@empty
           \@temptokena{##4}%
         \else
           \@temptokena{##5}%
         \fi
       \fi
       \lc@macrodefiner{##1}%
     \expandafter}\the\@temptokena
   }%
 }%
 {\toks@{#4}\edef\@tempa{\the\toks@}\def\@tempb{\global}\expandafter}%
 \ifx\@tempa\@tempb
   \expandafter\global\expandafter\let
     \csname#3lc@remtrailspace\expandafter\endcsname
     \csname#3lc@remtrailspace\endcsname
   \expandafter\global\expandafter\let
     \csname#3lc@remleadspace\expandafter\endcsname
     \csname#3lc@remleadspace\endcsname
   \expandafter\global\expandafter\let
     \csname#3lc@iterate\expandafter\endcsname
     \csname#3lc@iterate\endcsname
   \expandafter\global\expandafter\let
     \csname#3eachlabelcase\expandafter\endcsname
     \csname#3eachlabelcase\endcsname
   \expandafter\global\expandafter\let
     \csname#3lotlabelase\expandafter\endcsname
     \csname#3lotlabelcase\endcsname
 \fi
}%
\ProcessOptions\relax
\expandafter\endgroup\DefineLabelcase{ }{,}{}{\global}%
\newcommand\lc@macrodefiner[1]{%
 {\def\@tempa{#1}\expandafter}%
 \ifx\@tempa\@empty
 \else
   \@temptokena\expandafter{%
               \expandafter\begingroup
               \expandafter\toks@
               \expandafter\expandafter
               \expandafter            {%
               \expandafter\expandafter
               \expandafter            \@temptokena
               \expandafter\expandafter
               \expandafter            {%
               \expandafter\the
               \expandafter\@temptokena
               \expandafter}%
               \expandafter}%
               \expandafter\@temptokena
               \expandafter{%
               \expandafter\@temptokena
               \expandafter{%
               \the\@temptokena}%
               \@ifdefinable#1{\edef#1{\the\@temptokena}}}%
               \expandafter\endgroup
               \the\expandafter\@temptokena
               \the\toks@
   }%
 \fi
}%
\endinput
%%
%% End of file `labelcas.sty'.