Current File : //usr/share/texlive/texmf-dist/tex/latex/tools/xspace.sty

%%
%% This is file `xspace.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% xspace.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% The source is maintained by the LaTeX Project team and bug
%% reports for it can be opened at https://latex-project.org/bugs/
%% (but please observe conditions on bug reports sent to that address!)
%% 
%% 
%% Copyright (C) 1993-2020
%% The LaTeX3 Project and any individual authors listed elsewhere
%% in this file.
%% 
%% This file was generated from file(s) of the Standard LaTeX `Tools Bundle'.
%% --------------------------------------------------------------------------
%% 
%% It 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.
%% The latest version of this license is in
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3c or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%% 
%% This file may only be distributed together with a copy of the LaTeX
%% `Tools Bundle'. You may however distribute the LaTeX `Tools Bundle'
%% without such generated files.
%% 
%% The list of all files belonging to the LaTeX `Tools Bundle' is
%% given in the file `manifest.txt'.
%% 
%% File: xspace.dtx Copyright (C) 1991-1997 David Carlisle
%% File: xspace.dtx Copyright (C) 2004-2006 David Carlisle,
%%                                          Morten H\o gholm
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{xspace}
          [2014/10/28 v1.13 Space after command names (DPC,MH)]
\DeclareRobustCommand\xspace{\@xspace@firsttrue
  \futurelet\@let@token\@xspace}
\newif\if@xspace@first
\def\@xspace@simple{\futurelet\@let@token\@xspace}
\def\@xspace@exceptions@tlp{%
  ,.'/?;:!~-)\ \/\bgroup\egroup\@sptoken\space\@xobeysp
  \footnote\footnotemark
  \xspace@check@icr
}
\begingroup
  \text@command\relax
  \global\let\xspace@check@icr\check@icr
\endgroup
\newcommand*\xspaceaddexceptions{%
  \g@addto@macro\@xspace@exceptions@tlp
}
\newcommand*\xspaceremoveexception[1]{%
  \def\reserved@a##1#1##2##3\@@{%
    \@xspace@if@q@nil@NF##2{%
      \def\reserved@a####1#1####2\@@{%
        \gdef\@xspace@exceptions@tlp{####1####2}}%
      \expandafter\reserved@a\@xspace@exceptions@tlp\@@
    }%
  }%
  \expandafter\reserved@a\@xspace@exceptions@tlp#1\@xspace@q@nil\@@
}
\def\@xspace@break@loop#1\@nil{}
\providecommand*\@xspace@hook{}
\begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname eTeXversion\endcsname\relax
  \begingroup
    \catcode`\;=\active  \catcode`\:=\active
    \catcode`\?=\active  \catcode`\!=\active
    \catcode`\,=\active  \catcode`\'=\active  \catcode`\-=\active
    \xspaceaddexceptions{;:?!,'-}
  \endgroup
  \let\@xspace@eTeX@setup\relax
\else
  \def\@xspace@eTeX@setup{%
    \begingroup
      \everyeof{}%
      \endlinechar=-1\relax
      \catcode`\ =10\relax
      \makeatletter
      \catcode`\\\z@
      \catcode`\{\@ne
      \catcode`\}\tw@
      \scantokens\expandafter{\expandafter\gdef
        \expandafter\@xspace@exceptions@tlp
        \expandafter{\@xspace@exceptions@tlp}}%
    \endgroup
  }
\fi
\def\@xspace{%
  \@xspace@lettoken@if@letter@TF \space{%
    \if@xspace@first
      \@xspace@firstfalse
      \let\@xspace@maybespace\space
      \@xspace@eTeX@setup
    \fi
    \expandafter\@xspace@check@token
      \@xspace@exceptions@tlp\@xspace@q@nil\@nil
    \@xspace@token@if@equal@NNT \space \@xspace@maybespace
    {%
      \@xspace@lettoken@if@expandable@TF
      {\expandafter\@xspace@simple}%
      {\@xspace@maybespace\@xspace@hook}%
    }%
  }%
}
\def\@xspace@check@token #1{%
  \ifx\@xspace@q@nil#1%
    \expandafter\@xspace@break@loop
  \fi
  \expandafter\ifx\csname @let@token\endcsname#1%
    \let\@xspace@maybespace\relax
    \expandafter\@xspace@break@loop
  \fi
  \@xspace@check@token
}
\def\@xspace@lettoken@if@letter@TF{%
  \ifcat\noexpand\@let@token @% letter
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\def\@xspace@lettoken@if@expandable@TF{%
  \expandafter\ifx\noexpand\@let@token\@let@token%
    \expandafter\@secondoftwo
  \else
    \expandafter\@firstoftwo
  \fi
}
\def\@xspace@token@if@equal@NNT#1#2{%
  \ifx#1#2%
    \expandafter\@firstofone
  \else
    \expandafter\@gobble
  \fi}
\def\@xspace@q@nil{\@xspace@q@nil}
\def\@xspace@if@q@nil@NF#1{%
  \ifx\@xspace@q@nil#1%
    \expandafter\@gobble
  \else
    \expandafter\@firstofone
  \fi}
\endinput
%%
%% End of file `xspace.sty'.