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%% links
\def\anysplit#1{%
\ifx#1\relax\let\next\relax\else
#1\discretionary{}{}{}\let\next\anysplit
\fi
\next
}
\def\link#1{%
\pdfstartlink
user{/Subtype /Link
/Border [ 0 0 0 ]
/A <<
/Type /Action
/S /URI
/URI (#1)
>>}%
{\tt \color{blue} \anysplit #1\relax}%
\pdfendlink
}
%% the godly `pre`
\def\pre#1{\par\leavevmode\llap{\hbox to \parindent{\hfil #1 \hfil}}}
%% gives image files surrounding stretch
\newskip\imgskipamount
\def\imgskip{\vskip\imgskipamount}
\imgskipamount=0pt plus 48pt
\def\image #1 {\imgskip\input #1\imgskip}
\newcount\pics
\def\caption#1{\def\a{#1}\ifx\a\empty\else\global\advance\pics by
1\smallskip\line{\vbox{\leftskip=0pt plus 1fill\rightskip=0pt plus
1fill\parindent=0pt\relax Fig \number\pics: #1}}\smallskip\fi}
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