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% This file is copyrighted (c) 1998-2004 by Javier Bezos.
% All Rights Reserved.
%
% This program can be redistributed and/or modified under the terms
% of the LaTeX Project Public License Distributed from CTAN
% archives in directory macros/latex/base/lppl.txt; either
% version 1 of the License, or any later version.
\ProvidesPackage{esindex}[2004/07/19 v1.1 Spanish indexes]
\def\esx@level{`\!}
\def\esx@actual{`\@}
\def\esx@encap{`\|}
\def\esx@quote{`\"}
\def\esx@error{\PackageError{esindex}{Unknown index parameter}%
{Options in this package have the form^^J%
parameter=value, where parameter stands for^^J%
one of the following MakeIndex ones:^^J%
encap, level, actual, quote}}
\def\esx@process#1=#2\esx@process{%
\@ifundefined{esx@#1}{\esx@error}{%
\expandafter\edef\csname esx@#1\endcsname
{\string`\expandafter\noexpand\csname\string#2\endcsname}}}
\DeclareOption*{%
\@expandtwoargs\in@{=}{\CurrentOption}%
\ifin@
\expandafter\esx@process\CurrentOption\esx@process
\else
\esx@error
\fi}
\ProcessOptions
\begingroup
\catcode`\|=\catcode\esx@encap \lccode`\|=\esx@encap\relax
\catcode`\!=\catcode\esx@level \lccode`\!=\esx@level\relax
\catcode`\&=\catcode\esx@actual \lccode`\&=\esx@actual\relax
\catcode`\*=13 \lccode`\*=\esx@quote\relax
\catcode`\'=13
\catcode`\"=13
\catcode`\~=13
\gdef\esindex#1#{\esx@index{#1}}
\lowercase{
\gdef\esx@index#1#2{%
\let\esx@g\@empty
\esx@bar@idx#2|\@@
\expandafter\esx@@index\esx@b!\@@
\protected@edef\esx@g{\noexpand\index#1{\esx@g\esx@a}}%
\esx@g}
}
\lowercase{
\gdef\esx@bar@idx#1|#2\@@{%
\def\esx@b{#1}\def\esx@a{#2}%
\ifx\esx@a\@empty\else\esx@bar@eat#2\fi}
}
\lowercase{
\gdef\esx@bar@eat#1|{\def\esx@a{|#1}}
}
\lowercase{
\gdef\esx@@index#1!#2\@@{%
\begingroup
\def\@tabacckludge##1{\csname\string##1\endcsname}%
\def\'##1{\@ifundefined{esx@index@q@\string##1}%
{##1}%
{\csname esx@index@q@\string##1\endcsname}}%
\ifnum\catcode`\'=\active
\let'\'%
\fi
\def\~##1{\string##1\string^^ff}%
\ifnum\catcode`\~=\active
\let~\~%
\fi
\def\"##1{\@ifundefined{esx@index@qq@\string##1}%
{\string"##1}%
{\csname esx@index@qq@\string##1\endcsname}}%
\ifnum\catcode`\"=\active
\let"\"%
\fi
\protected@xdef\esx@g{\esx@g#1\string &}%
\endgroup
\begingroup
\def*##1{% <- its lower case is the quote char (")
\ifcat##1a%
\@ifundefined{spanish@sh@\string*\string##1@}%
{\string*##1}%
{\string*\string*##1}%
\else
\string*\string##1%
\fi}%
\def\esx@b{#2}%
\ifx\esx@b\@empty
\protected@xdef\esx@g{\esx@g#1}%
\else
\protected@xdef\esx@g{\esx@g#1!}%
\esx@@index#2\@@
\fi
\endgroup}
}
\endgroup
\def\esx@index@q@n{n\string^^ff}
\def\esx@index@q@N{N\string^^ff}
\def\esx@index@qq@o{.o}
\def\esx@index@qq@O{.O}
\def\esx@index@qq@a{.a}
\def\esx@index@qq@A{.A}
\def\esx@index@qq@u{u}
\def\esx@index@qq@A{U}
\def\esx@index@qq@c{c}
\def\esx@index@qq@C{C}
\endinput
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