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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% qfig4pic.tex --- Interface for QFIG-generated PiCTeX code and PiCTeX %
% to use with Plain TeX. %
% %
% Donated by: Bruce Dearden <dearden@pc4.math.und.nodak.edu> %
% %
% To use QFIG-generated PiCTeX code, read in this file %
% followed by pictex.tex at the top of your TeX file: %
% %
% \input qfig4pic %
% \input pictex %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\wlog#1{} % don't write allocations to log.
% Smaller fonts for labels in pictures.
% (This replaces Qfig's 12 pt font)
\font\ninerm=cmr9 \font\eightrm=cmr8 \font\sixrm=cmr6
\font\ninei=cmmi9 \font\eighti=cmmi8 \font\sixi=cmmi6
\font\ninesy=cmsy9 \font\eightsy=cmsy8 \font\sixsy=cmsy6
\font\ninebf=cmbx9 \font\eightbf=cmbx8 \font\sixbf=cmbx6
\font\ninett=cmtt9 \font\eighttt=cmtt8
\font\nineit=cmti9 \font\eightit=cmti8
\font\ninesl=cmsl9 \font\eightsl=cmsl8
% Smaller math formulas have nonstandard \skewchar
\skewchar\ninei='177 \skewchar\eighti='177 \skewchar\sixi='177
\skewchar\ninesy='60 \skewchar\eightsy='60 \skewchar\sixsy='60
\hyphenchar\ninett=-1 \hyphenchar\eighttt=-1 \hyphenchar\tentt=-1
% Macros to set the font size environment.
\catcode`@=11 % need access to private plain TeX macros.
\newskip\ttglue
\def\tenpoint{\def\rm{\fam0\tenrm}% Switch to 10-point type.
\textfont0=\tenrm \scriptfont0=\sevenrm \scriptscriptfont0=\fiverm
\textfont1=\teni \scriptfont1=\seveni \scriptscriptfont1=\fivei
\textfont2=\tensy \scriptfont2=\sevensy \scriptscriptfont2=\fivesy
\textfont3=\tenex \scriptfont3=\tenex \scriptscriptfont3=\tenex
\textfont\itfam=\tenit \def\it{\fam\itfam\tenit}%
\textfont\slfam=\tensl \def\sl{\fam\slfam\tensl}%
\textfont\ttfam=\tentt \def\tt{\fam\ttfam\tentt}%
\textfont\bffam=\tenbf \scriptfont\bffam=\sevenbf
\scriptscriptfont\bffam=\fivebf \def\bf{\fam\bffam\tenbf}%
\tt \ttglue=.5em plus.25em minus.15em
\normalbaselineskip=12pt
\setbox\strutbox=\hbox{\vrule height8.5pt depth3.5pt width0pt}%
\let\sc=\eightrm \let\big=\tenbig \normalbaselines\rm}
\def\ninepoint{\def\rm{\fam0\ninerm}% Switch to 9-point type.
\textfont0=\ninerm \scriptfont0=\sixrm \scriptscriptfont0=\fiverm
\textfont1=\ninei \scriptfont1=\sixi \scriptscriptfont1=\fivei
\textfont2=\ninesy \scriptfont2=\sixsy \scriptscriptfont2=\fivesy
\textfont3=\tenex \scriptfont3=\tenex \scriptscriptfont3=\tenex
\textfont\itfam=\nineit \def\it{\fam\itfam\nineit}%
\textfont\slfam=\ninesl \def\sl{\fam\slfam\ninesl}%
\textfont\ttfam=\ninett \def\tt{\fam\ttfam\ninett}%
\textfont\bffam=\ninebf \scriptfont\bffam=\sixbf
\scriptscriptfont\bffam=\fivebf \def\bf{\fam\bffam\ninebf}%
\tt \ttglue=.5em plus.25em minus.15em
\normalbaselineskip=11pt
\setbox\strutbox=\hbox{\vrule height8pt depth3pt width0pt}%
\let\sc=\sevenrm \let\big=\ninebig \normalbaselines\rm}
\def\tenbig#1{{\hbox{$\left#1\vbox to8.5pt{}\right.\n@space$}}}
\def\ninebig#1{{\hbox{$\textfont0=\tenrm\textfont2=\tensy
\left#1\vbox to 7.25pt{}\right.\n@space$}}}
\catcode`@=12 % @ is not a letter any more.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Interface macros
\def\mbox#1{\leavevmode\hbox{#1}}
\def\typeout#1{\message{#1}}
\def\symbol#1{\char '#1\relax}
\let\xpt=\tenpoint % QFIG's 10-point really is 10-point.
\let\xiipt=\ninepoint % Force QFIG's 12-points to the smaller 9-points.
\newdimen\unitlength
%%%%%%%%%%%%%%%%%%%%%
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