\vsize = 25cm
\magnification=\magstep1
\parskip=6pt plus 1pt minus 1pt
\baselineskip=13pt
\overfullrule=0pt

\def\sidx#1{}
\def\idx#1{#1}
\def\label#1{}
\def\ref#1{}

\def\title#1{\centerline{#1}\vskip1cm}
\def\sectitle#1{\noindent{\bf{#1}}\medskip\nobreak}
\def\subsectitle#1{{\bf{#1}}\nobreak}
\def\subsubsectitle#1{{\bf{#1}}\nobreak}

\def\chapter#1{\title{#1}}
\def\section#1{\sectitle{#1}}
\def\subsec#1{\subsectitle{#1}}
\def\subsecidx#1{\subsec{#1}}
\def\subsubsec#1{\subsubsectitle{#1}}
\def\subsubsecidx#1{\subsubsec{#1}}

\def\secref#1{[{\bf ??}]}
