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% sections
\makeatletter

\outer\def\section #1\par{%
   \global\advance\secno by 1  \global\subsecno=0
      \global\subsubsecno=0
   \vskip0pt plus.4\vsize\penalty-120
   \vskip0pt plus-.4\vsize\bigskip\vskip\parskip
   {\noindent \titlefont{sec}
       \the\secno.\enskip #1\par}\nobreak
   \tocentry{\the\secno}\sec
%   \ifgathercontents \edef\temp{{\the\secno}}%
%      \expandafter\writecontents\temp{#1}\sec\fi
   \nobreak
   \medskip
   \nobreak
   \noindent
}
% The starred version does not introduce a breakpoint, so that an
% immediately preceeding section heading is not orphaned.
\def\subsection{\pst@ifstar\sub@section}
\def\sub@section #1\par{%
   \global\advance \subsecno by 1
   \global\subsubsecno=0
   \if@star
   \else
      \vskip0pt plus.1\vsize\penalty-100
      \vskip0pt plus-.1\vsize
   \fi
   \bigskip\vskip\parskip
   {\noindent \titlefont{sub}%
      \the\secno .\the\subsecno.\enskip \ignorespaces #1}\par\nobreak
   \tocentry{\the\secno.\the\subsecno}\subsec{#1}
   \par\nobreak\medskip\nobreak\noindent
}
\outer\def\subsubsection #1 \par{%
   \global\advance \subsubsecno by 1 \global\subsubsubsecno=0
   \vskip0pt plus.1\vsize\penalty0
   \vskip0pt plus-.1\vsize\bigskip\vskip\parskip
   {\noindent \titlefont{subsub}
      \the\secno .\the\subsecno.\the\subsubsecno \enskip #1}\par\nobreak
%   \tocentry{\the\secno.\the\subsecno.\the\subsubsecno}\subsubsec{#1}
   \medskip\nobreak\noindent
}
\def\tocentry#1#2#3{%
   \ifgathercontents \edef\temp{{#1}}%
      \expandafter\writecontents\temp{#3}#2\fi
}
\def\writecontents#1#2#3{%
   \write@contents{\noexpand#3{#1} {#2}
         \noexpand\writefill \the\pageno \noexpand\par}%
}
\def\writefill{%
   \leaders\hbox to 2ex{\hfil.\hfil}\hfill\enspace
}
\outer\def\appendix#1#2\par{%
   \vskip0pt plus.4\vsize\penalty-20
   \vskip0pt plus-.4\vsize\bigskip\vskip\parskip
   \def\app@name{#1}\subsecno=0%
   {\noindent \titlefont{sec}
      Appendix #1.\enspace
         \ignorespaces#2\par}\nobreak
   \ifgathercontents \edef\temp{{#1}}%
      \expandafter\writecontents\temp{#2}\sec\fi
   \medskip\nobreak\noindent
}
\def\subappendix#1\par{%
   \medskip
   \noindent
   \advance\subsecno by 1
   {\titlefont{sub}\app@name.\the\subsecno.\enspace
      \ignorespaces#1\medskip\noindent}%
   \ifgathercontents \edef\temp{{\app@name.\the\subsecno}}%
      \expandafter\writecontents\temp{#1}\subsec\fi \nobreak
}
\def\currsec{\ifnum\secno>0 \the\secno
   \ifnum\subsecno>0 .\the\subsecno
   \ifnum\subsubsecno>0 .\the\subsubsecno \fi\fi\fi}
\def\deftagsec#1{\deftag\currsec{#1}}

%\newif\iftracingtagrefs


\resetatcatcode