%%
%% This is file `xfor.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% xfor.dtx  (with options: `xfor.sty,package')
%% 
%%  xfor.dtx
%%  Copyright 2007 Nicola Talbot
%% 
%%  This work may be distributed and/or modified under the
%%  conditions of the LaTeX Project Public License, either version 1.3
%%  of this license of (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'.
%% 
%%  The Current Maintainer of this work is Nicola Talbot.
%% 
%%  This work consists of the files xfor.dtx and xfor.ins and the derived file xfor.sty.
%% 
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    \(     Right paren   \)
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{xfor}[2007/08/21 v1.03 (NLCT)]
\newif\if@endfor
\long\def\@for#1:=#2\do#3{%
\@endforfalse
\def\@forremainder{}%
\expandafter\def\expandafter\@fortmp\expandafter{#2}%
\ifx\@fortmp\@empty
\else
  \expandafter\@forloop#2,\@nil,\@nil\@@#1{#3}%
\fi
}
\long\def\@fornoop#1\@@#2#3{}
\long\def\@forloop#1,#2,#3\@@#4#5{%
\def#4{#1}%
\ifx#4\@nnil
\else
 \@xfor@storenext#2,#3\@@%
 #5%
 \if@endfor
   \@iforgatherrest#2,#3%
 \else
   \def#4{#2}%
   \ifx#4\@nnil
   \else
     \@xfor@storenext#3,\@nil\@@%
     #5%
     \if@endfor
       \@iforgatherrest#3%
     \else
       \@iforloop#3\@@#4{#5}%
     \fi
   \fi
 \fi
\fi
}
\def\@xfor@storenext#1,#2\@@{%
\def\@xfor@nextelement{#1}%
}
\long\def\@forgatherrest#1,\@nil,\@nil{\def\@forremainder{#1}}
\long\def\@iforgatherrest#1\@nil,\@nil{%
\def\@fortmp{#1}%
\ifx\@fortmp\@empty
 \def\@forremainder{}%
\else
 \@forgatherrest#1\@nil,\@nil
\fi
}
\long\def\@iforloop#1,#2\@@#3#4{%
\def#3{#1}%
\ifx#3\@nnil
 \let\@ifornext\@fornoop
\else
 \@xfor@storenext#2,\@nil\@@%
 #4\relax
 \if@endfor
  \@iforgatherrest#2\relax
  \let\@ifornext\@fornoop
 \else
  \let\@ifornext\@iforloop
 \fi
\fi
\@ifornext#2\@@#3{#4}%
}
\endinput
%%
%% End of file `xfor.sty'.
