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path: root/indexing/makeindex/lib/showidx.sty
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% showidx.sty 29-Oct-85

\newinsert\@margin
\newinsert\indexbox
\dimen\indexbox=\maxdimen
\def\@showidx#1{\insert\indexbox{\small 
 \hsize\marginparwidth 
 \hangindent\marginparsep \parindent\z@ 
 \everypar{}\let\par\@@par \parfillskip\@flushglue 
 \lineskip\normallineskip 
 \baselineskip .8\normalbaselineskip\sloppy
 \raggedright \leavevmode 
 \vrule height .7\normalbaselineskip width \z@ #1\vrule
 height \z@ depth .3\normalbaselineskip width \z@}}

\def\@leftidx{\hskip-\marginparsep \hskip-\marginparwidth}
\def\@rightidx{\hskip\columnwidth \hskip\marginparsep}
\def\@mkidx{\vbox to 0pt{\hbox{\if@twocolumn
 \if@firstcolumn \@leftidx \else \@rightidx \fi
 \else \if@twoside \ifodd\c@page \@rightidx 
 \else \@leftidx \fi 
 \else \@rightidx \fi
 \fi
 \box\indexbox}\vss}}
\def\raggedbottom{\def\@textbottom{\vskip 
 \z@ plus.0001fil}\let\@texttop\@mkidx}
\def\flushbottom{\let\@textbottom\relax \let\@texttop\@mkidx}

\def\@wrindex#1#2{\let\thepage\relax
 \xdef\@gtempa{\write#1{\string
 \indexentry{#2}{\thepage}}}\endgroup\@gtempa
 \@showidx{#2}\if@nobreak \ifvmode\nobreak\fi\fi\@esphack}
\def\@index#1{\@showidx{#1}\endgroup\@esphack}

\def\index{\@bsphack\begingroup\@sanitize\catcode"20=10\relax\@index}
\def\makeindex{\if@filesw \newwrite\@indexfile
 \immediate\openout\@indexfile=\jobname.idx
 \def\index{\@bsphack\begingroup\@sanitize
 \catcode"20=10 \@wrindex\@indexfile}\typeout
 {Writing index file \jobname.idx }\fi}
\flushbottom