Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/lib/texmf/tex/latex/tools/verbatim.sty

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%%
%% This is file `verbatim.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% verbatim.dtx  (with options: `package')
%% 
%% IMPORTANT NOTICE:
%% 
%% This file is a generated file from the sources of the `tools' bundle
%% in the LaTeX2e distribution.
%% 
%% For the copyright notice see the source file(s).
%% 
%% You are not allowed to modify this file.
%% 
%% You are allowed to distribute this file if and only if
%% it is distributed with the corresponding source files in
%% the `tools' bundle.
%% 
%% For the copying and distribution conditions of the source files,
%% see the file readme.txt distributed with the tools bundle.
%% 
%% Package `verbatim' to use with LaTeX2e
%% Copyright (C) 1989--1996 by Rainer Schoepf. All rights reserved.
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{verbatim}
     [1996/09/25 v1.5j LaTeX2e package for verbatim enhancements]
\@ifundefined{verbatim@@@}{}{\endinput}
\newtoks\every@verbatim
\every@verbatim={}
\def\@makeother#1{\catcode`#112\relax}
\begingroup
 \catcode`\ =\active%
 \def\x{\def\@vobeyspaces{\catcode`\ \active\let \@xobeysp}}
 \expandafter\endgroup\x
\def\@xobeysp{\leavevmode\penalty\@M\ }
\newtoks\verbatim@line
\def\verbatim@startline{\verbatim@line{}}
\def\verbatim@addtoline#1{%
  \verbatim@line\expandafter{\the\verbatim@line#1}}
\def\verbatim@processline{\the\verbatim@line\par}
\def\verbatim@finish{\ifcat$\the\verbatim@line$\else
  \verbatim@processline\fi}
\def\verbatim@font{\normalfont\ttfamily
                   \let\do\do@noligs
                   \verbatim@nolig@list}
\def\@verbatim{\the\every@verbatim
  \trivlist \item \relax
  \if@minipage\else\vskip\parskip\fi
  \@beginparpenalty \predisplaypenalty
  \leftskip\@totalleftmargin\rightskip\z@
  \parindent\z@\parfillskip\@flushglue\parskip\z@
  \@@par
  \def\par{%
    \if@tempswa
      \leavevmode\null\@@par\penalty\interlinepenalty
    \else
      \@tempswatrue
      \ifhmode\@@par\penalty\interlinepenalty\fi
    \fi}%
  \def\@noitemerr{\@warning{No verbatim text}}%
  \obeylines
  \let\do\@makeother \dospecials
  \verbatim@font
  \everypar \expandafter{\the\everypar \unpenalty}}
\def\verbatim{\@verbatim \frenchspacing\@vobeyspaces\verbatim@start}
\@namedef{verbatim*}{\@verbatim\verbatim@start}
\let\endverbatim=\endtrivlist
\expandafter\let\csname endverbatim*\endcsname =\endtrivlist
\def\comment{\@bsphack
             \let\do\@makeother\dospecials\catcode`\^^M\active
             \let\verbatim@startline\relax
             \let\verbatim@addtoline\@gobble
             \let\verbatim@processline\relax
             \let\verbatim@finish\relax
             \verbatim@}
\let\endcomment=\@esphack
\@ifundefined{vrb@catcodes}%
  {\def\vrb@catcodes{%
     \catcode`\!12\catcode`\[12\catcode`\]12}}{}
\begingroup
 \vrb@catcodes
 \lccode`\!=`\\ \lccode`\[=`\{ \lccode`\]=`\}
 \catcode`\~=\active \lccode`\~=`\^^M
 \lccode`\C=`\C
 \lowercase{\endgroup
    \def\verbatim@start#1{%
      \verbatim@startline
      \if\noexpand#1\noexpand~%
        \let\next\verbatim@
      \else \def\next{\verbatim@#1}\fi
      \next}%
    \def\verbatim@#1~{\verbatim@@#1!end\@nil}%
    \def\verbatim@@#1!end{%
       \verbatim@addtoline{#1}%
       \futurelet\next\verbatim@@@}%
    \def\verbatim@@@#1\@nil{%
       \ifx\next\@nil
         \verbatim@processline
         \verbatim@startline
         \let\next\verbatim@
       \else
         \def\@tempa##1!end\@nil{##1}%
         \@temptokena{!end}%
         \def\next{\expandafter\verbatim@test\@tempa#1\@nil~}%
       \fi \next}%
    \def\verbatim@test#1{%
           \let\next\verbatim@test
           \if\noexpand#1\noexpand~%
             \expandafter\verbatim@addtoline
               \expandafter{\the\@temptokena}%
             \verbatim@processline
             \verbatim@startline
             \let\next\verbatim@
           \else \if\noexpand#1
             \@temptokena\expandafter{\the\@temptokena#1}%
           \else \if\noexpand#1\noexpand[%
             \let\@tempc\@empty
             \let\next\verbatim@testend
           \else
             \expandafter\verbatim@addtoline
               \expandafter{\the\@temptokena}%
             \def\next{\verbatim@#1}%
           \fi\fi\fi
           \next}%
    \def\verbatim@testend#1{%
         \if\noexpand#1\noexpand~%
           \expandafter\verbatim@addtoline
             \expandafter{\the\@temptokena[}%
           \expandafter\verbatim@addtoline
             \expandafter{\@tempc}%
           \verbatim@processline
           \verbatim@startline
           \let\next\verbatim@
         \else\if\noexpand#1\noexpand]%
           \let\next\verbatim@@testend
         \else\if\noexpand#1\noexpand!%
           \expandafter\verbatim@addtoline
             \expandafter{\the\@temptokena[}%
           \expandafter\verbatim@addtoline
             \expandafter{\@tempc}%
           \def\next{\verbatim@!}%
         \else \expandafter\def\expandafter\@tempc\expandafter
           {\@tempc#1}\fi\fi\fi
         \next}%
    \def\verbatim@@testend{%
       \ifx\@tempc\@currenvir
         \verbatim@finish
         \edef\next{\noexpand\end{\@currenvir}%
                    \noexpand\verbatim@rescan{\@currenvir}}%
       \else
         \expandafter\verbatim@addtoline
           \expandafter{\the\@temptokena[}%
           \expandafter\verbatim@addtoline
             \expandafter{\@tempc]}%
         \let\next\verbatim@
       \fi
       \next}%
    \def\verbatim@rescan#1#2~{\if\noexpand~\noexpand#2~\else
        \@warning{Characters dropped after `\string\end{#1}'}\fi}}
\newread\verbatim@in@stream
\def\verbatim@readfile#1{%
  \verbatim@startline
  \openin\verbatim@in@stream #1\relax
  \ifeof\verbatim@in@stream
    \typeout{No file #1.}%
  \else
    \@addtofilelist{#1}%
    \ProvidesFile{#1}[(verbatim)]%
    \expandafter\endlinechar\expandafter\m@ne
    \expandafter\verbatim@read@file
    \expandafter\endlinechar\the\endlinechar\relax
    \closein\verbatim@in@stream
  \fi
  \verbatim@finish
}
\def\verbatim@read@file{%
  \read\verbatim@in@stream to\next
  \ifeof\verbatim@in@stream
  \else
    \expandafter\verbatim@addtoline\expandafter{\next}%
    \verbatim@processline
    \verbatim@startline
    \expandafter\verbatim@read@file
  \fi
}
\def\verbatiminput{\begingroup
  \@ifstar{\verbatim@input\relax}%
          {\verbatim@input{\frenchspacing\@vobeyspaces}}}
\def\verbatim@input#1#2{\@verbatim #1\relax
  \verbatim@readfile{#2}\endtrivlist\endgroup\@doendpe}
\endinput
%%
%% End of file `verbatim.sty'.

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