%%% This file is public domain.
%%% Originally written 1992, Don Hosek.
%%% This declaration added by Clea F. Rees 2008/11/16 with the permission of Dan Hosek.
%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% This file sets up a twenty point environment for TeX. It can be initialized
% with the '\twentypoint' macro.
% It also sets up a '\tenpoint' macro in case you want to go back down.
% By Don Hosek (modified to 20 point by J. Leon)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
\ifx\tenpoint\undefined\let\loadedfrommacro=Y
         \input 10point
         \let\loadedfrommacro=N\fi
 
\ifx\fourteenpoint\undefined
         \input 14point
         \fi
 
%%%
%%% Load in the fonts
%%%
\font\twentyrm=cmr17 scaled \magstep1
\font\twentyi=cmmi12 scaled \magstep3
\font\twentysy=cmsy10 scaled \magstep4
\font\twentyex=cmex10 scaled \magstep4
\font\twentybf=cmbx12 scaled \magstep3
\font\twentysl=cmsl12 scaled \magstep3
\font\twentytt=cmtt12 scaled \magstep3
\font\twentyit=cmti12 scaled \magstep3
\font\twentycsc=cmcsc10 scaled \magstep4
 
%%%
%%% Set up the twentypoint macros
%%%
\ifx\twentypoint\undefined
   \def\twentypoint{\def\rm{\fam0\twentyrm}% switch to 20-point type
       \textfont0=\twentyrm \scriptfont0=\fourteenrm \scriptscriptfont0=\tenrm
       \textfont1=\twentyi  \scriptfont1=\fourteeni  \scriptscriptfont1=\teni
       \textfont2=\twentysy \scriptfont2=\fourteensy \scriptscriptfont2=\tensy
       \textfont3=\twentyex \scriptfont3=\twentyex
                              \scriptscriptfont3=\twentyex
       \textfont\itfam=\twentyit  \def\it{\fam\itfam\twentyit}%
       \textfont\slfam=\twentysl  \def\sl{\fam\slfam\twentysl}%
       \textfont\ttfam=\twentytt  \def\tt{\fam\ttfam\twentytt}%
       \textfont\bffam=\twentybf  \scriptfont\bffam=\fourteenbf
        \scriptscriptfont\bffam=\tenbf  \def\bf{\fam\bffam\twentybf}%
       \textfont\scfam=\twentycsc \def\sc{\fam\scfam\twentycsc}%
       \normalbaselineskip=25pt
       \setbox\strutbox=\hbox{\vrule height20pt depth5pt width0pt}%
       \normalbaselines\rm}
   \fi