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%%% common macros for ptex-manual documents
\def\headfont{\normalfont\mathversion{bold}\sffamily}
\def\node#1{\textit{#1}}
\def\.#1{\texorpdfstring{%
\leavevmode\hbox{\texttt{\textbackslash#1}}\ifmmode\else\textcompwordmark\fi}{\textbackslash #1}}
\@ifpackageloaded{enumitem}{%
\let\orig@cs=\.
\def\ind@cs#1{\orig@cs{#1}\indcs{#1}}
\def\indcs#1{\index{{\texttt{\textbackslash #1}}}}
\newlist{cslist}{description}1
\setlist[cslist]{%
itemsep=\medskipamount,listparindent=1zw,
font=\normalfont\mdseries, leftmargin=2zw,
before=\advance\@listdepth\@ne,
after=\advance\@listdepth\m@ne
}
\def\csitem[#1]{\item[\llap{$\blacktriangleright$~}\let\.=\ind@cs#1]
\leavevmode\par\nopagebreak}
}{}
\let\origemph=\emph
\def\emph#1{{\bfseries\sffamily\gtfamily\selectfont\mathversion{bold}#1}}
\def\paragraph#1{\par\medskip\par\noindent\emph{■#1}\par\nobreak}
\def\Pkg#1{\textsf{#1}}
\let\@lessthan <
\begingroup
\catcode`\<=13
\gdef<{\ifmmode\@lessthan\else\expandafter\@@meta\fi}
\gdef\@@meta#1>{\ensuremath{\langle\hbox{\normalfont\textit{#1}}\rangle}}
\gdef\hex#1{\ifmmode\mbox\fi{\texttt{"#1}}}%"
\endgroup
\AtBeginDocument{\catcode`\<=13\relax}
\xspcode`\\=3
\xspcode`\*=3
\xspcode`\-=3
\xspcode23=3 % \textcompwordmark
\normalsize
\bigskipamount=\baselineskip
\medskipamount=.5\baselineskip
\smallskipamount=.25\baselineskip
\usepackage{etoolbox}
\patchcmd\@verbatim\@totalleftmargin{\dimexpr\@totalleftmargin+2zw\relax}{}{}
\patchcmd\quote{\list{}}{\par\addvspace\medskipamount\list{}}{}{}
\patchcmd\endquote{\endlist}{\endlist\addvspace\medskipamount}{}{}
\patchcmd\@verbatim{\trivlist}{\trivlist\addvspace\medskipamount\noautoxspacing}{}{}
\patchcmd\endverbatim{\endtrivlist}{\endtrivlist\addvspace\medskipamount}{}{}
\expandafter\let\csname endverbatim*\endcsname =\endverbatim
\patchcmd\verb{\ifmmode\hbox\else\leavevmode\vadjust{}\fi\bgroup}
{\ifmmode\else\leavevmode\vadjust{}\fi\hbox
\bgroup\textcompwordmark\noautoxspacing\noautospacing}{}{}
\patchcmd\verb@egroup{\egroup}{\egroup\textcompwordmark}{}{}
\ifx\jsc@clsname\@undefined\else % jsclasses-specific
\renewenvironment{theindex}{%
\def\presectionname{}\def\postsectionname{}%
\section*{\indexname}
\@mkboth{\indexname}{\indexname}%
\plainifnotempty % \thispagestyle{plain}
\parindent\z@
\parskip\z@ \@plus .3\p@\relax
\let\item\@idxitem
\raggedright
\begin{multicols}{2}
}{
\end{multicols}
\clearpage
}
\fi
% multilist env.
\newenvironment{multilist}[2]%
{$$\setbox\z@=\hbox\bgroup % catch some funny things -> \mathord
\let\a=\empty
\let\b=\empty
\count@=\z@
\toks@={#2}%
\def\item##1\cr
{\ifnum \count@=\z@
\count@=#1%
\expandafter\def\expandafter\b\expandafter{\b\y{}}%
\fi
\advance\count@ by\m@ne
\expandafter\def\expandafter\a\expandafter{\a\x{##1}}}%
\ignorespaces}%
{\loop
\ifnum \count@>\z@
\expandafter\def\expandafter\a\expandafter{\a\expandafter\z\b\relax}%
\advance\count@ by\m@ne
\repeat
\def\x##1{\expandafter\y\b\relax{##1}}%
\def\y\y##1##2\relax##3%
{\ifx @##1@%
\def\b{##2\y{##3}}%
\else
\def\b{##2\y{##1&##3}}%
\fi}%
\def\z\y##1##2\relax{\def\b{##2\y{##1}}}%
\a
\def\x
{\expandafter\egroup\expandafter\halign\expandafter\bgroup
\expandafter&\the\toks@\cr}%
\def\y##1{\expandafter\def\expandafter\x\expandafter{\x##1\cr}}%
\b
\x\egroup $$}
% dangerous env.
\font\man=manfnt at 10pt
\def\dbend{\raise0pt\hbox{\man\char'177}}
\newenvironment{dangerous}{%
\ifnum\@listdepth>\z@
\GenericError{}{Do not use `dangerous' environment inside any list}{}{}
\fi
\par\addvspace\medskipamount
\@tempdima=\dimexpr\textwidth-2zw\relax\small
\bigskipamount=\baselineskip
\medskipamount=.5\baselineskip
\smallskipamount=.25\baselineskip
\clubpenalty=10000 \widowpenalty=9999
\divide\@tempdima by\dimexpr1zw\relax\@tempcnta=\@tempdima
\leftskip=\dimexpr\textwidth-\@tempcnta zw\relax
\@totalleftmargin\dimexpr\leftskip+0zw
\linewidth=\dimexpr\@tempcnta zw-0zw
\parindent1zw\noindent\kern-\leftskip\hbox to\leftskip{\dbend\hss}%
\everypar{\everypar{}}\ignorespaces
}{\par\addvspace\medskipamount}
% macros for index (simplified from doc.sty)
\newif\ifscan@allowed
\def\dotfill{\leaders\hbox to.6em{\hss .\hss}\hskip\z@ plus1fill}%
\def\pfill{\unskip~\dotfill\nobreak}
%%% EOF
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