Current File : //usr/share/texlive/texmf-dist/tex/latex/base/inputenc.sty
%%
%% This is file `inputenc.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% inputenc.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.html
%% (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 LaTeX base system.
%% --------------------------------------------------------------
%% 
%% 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 2008 or later.
%% 
%% This file has the LPPL maintenance status "maintained".
%% 
%% This file may only be distributed together with a copy of the LaTeX
%% base system. You may however distribute the LaTeX base system without
%% such generated files.
%% 
%% The list of all files belonging to the LaTeX base distribution is
%% given in the file `manifest.txt'. See also `legal.txt' for additional
%% information.
%% 
%% The list of derived (unpacked) files belonging to the distribution
%% and covered by LPPL is defined by the unpacking scripts (with
%% extension .ins) which are part of the distribution.


\NeedsTeXFormat{LaTeX2e}[1995/12/01]
\ProvidesPackage{inputenc}
   [2020/08/01 v1.3d Input encoding file]
\def\DeclareInputMath#1{%
   \@inpenc@test
   \bgroup
      \uccode`\~#1%
      \uppercase{%
   \egroup
      \def~%
   }%
}
\def\DeclareInputText#1#2{%
   \def\reserved@a##1 ${}%
   \def\reserved@b{#2}%
   \ifcat_\expandafter\reserved@a\meaning\reserved@b$ $_%
      \DeclareInputMath{#1}{#2}%
   \else
      \DeclareInputMath{#1}{\IeC{#2}}%
   \fi
}
\def\IeC{%
  \ifx\protect\@typeset@protect
    \expandafter\@firstofone
  \else
    \noexpand\IeC
  \fi
}
\ifx\Umathcode\@undefined
\def\inputencoding#1{%
  \edef\reserved@a{#1}%
  \ifx\reserved@a\inputencodingname
  \else
  \the\inpenc@prehook
  \gdef\@inpenc@test{\global\let\@inpenc@test\relax}%
  \edef\@inpenc@undefined{\noexpand\protect\noexpand\@inpenc@undefined@{#1}}%
  \edef\inputencodingname{#1}%
  \@inpenc@loop\^^A\^^H%
  \@inpenc@loop\^^K\^^K%
  \@inpenc@loop\^^N\^^_%
  \@inpenc@loop\^^?\^^ff%
  \xdef\saved@endlinechar@code{\the\endlinechar}%
  \endlinechar\m@ne
  \xdef\saved@space@catcode{\the\catcode`\ }%
  \catcode`\ 9\relax
  \xdef\saved@at@catcode{\the\catcode`\@}%
  \makeatletter
  \xdef\saved@percent@catcode{\the\catcode`\%}%
  \catcode`\%14\relax
  \input{#1.def}%
  \endlinechar\saved@endlinechar@code\relax
  \catcode`\ \saved@space@catcode\relax
  \catcode`\@\saved@at@catcode\relax
  \catcode`\%\saved@percent@catcode\relax
  \ifx\@inpenc@test\relax\else
    \PackageWarning{inputenc}%
             {No characters defined\MessageBreak
              by input encoding change to `#1'\MessageBreak}%
  \fi
  \the\inpenc@posthook
  \fi
}
\else
\def\inputencoding#1{%
\edef\reserved@a{#1}%
\def\reserved@b{utf8x}%
\ifx\reserved@a\reserved@b\def\reserved@a{utf8}\fi
\def\reserved@b{utf8}%
\ifx\reserved@a\reserved@b
\PackageWarningNoLine
    {inputenc}%
    {inputenc package ignored with utf8 based engines}%
\else
\def\reserved@b{x-ascii}%
\ifx\reserved@a\reserved@b\def\reserved@a{ascii}\fi
\def\reserved@b{ascii}%
\ifx\reserved@a\reserved@b
\PackageWarningNoLine
    {inputenc}%
    {inputenc can't be used to ensure 7bit clean source\MessageBreak
    with a utf engine: Package ignored: utf8 assumed}%
\else
\PackageError
    {inputenc}%
    {inputenc is not designed for xetex or luatex.\MessageBreak
     only UTF-8 supported}%
    {For xelatex or lualatex save the document in UTF-8 encoding\MessageBreak
    and do not use inputenc, or use the [utf8] option.}
\fi
\fi
}
\fi
\ifx\inpenc@prehook\@undefined\newtoks\inpenc@prehook\fi
\ifx\inpenc@posthook\@undefined\newtoks\inpenc@posthook\fi
\def\@inpenc@undefined@#1{\PackageError{inputenc}%
        {Keyboard character used is undefined\MessageBreak
         in inputencoding `#1'}%
       {You need to provide a  definition with
        \noexpand\DeclareInputText\MessageBreak or
        \noexpand\DeclareInputMath before using this key.}}%
\def\@inpenc@loop#1#2{%
  \@tempcnta`#1\relax
  \loop
    \catcode\@tempcnta\active
    \bgroup
      \uccode`\~\@tempcnta
      \uppercase{%
    \egroup
         \let~\@inpenc@undefined
      }%
  \ifnum\@tempcnta<`#2\relax
     \advance\@tempcnta\@ne
  \repeat}
\DeclareOption{utf8x}{\ifdefined\UseRawInputEncoding
                        \UseRawInputEncoding
                      \fi
                      \inputencoding{\CurrentOption}}
\DeclareOption*{\inputencoding{\CurrentOption}}
\ProcessOptions
\endinput
%%
%% End of file `inputenc.sty'.