% Save file as: FONTSIZE.TEX Source:
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% %
% \eightpoint %
% \ninepoint %
% \tenpoint %
% \elevenpoint %
% \twelvepoint %
% \fourteenpoint %
% \seventeenpoint %
% %
% A macro to provide different type sizes. %
% Ref.: The TeXbook, pp. 413--415, 360. %
% %
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% Get fonts not already in PLAIN TeX
\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
\font\twlrm=cmr12 \font\elvrm=cmr10 scaled 1095
\font\twli=cmmi12 \font\elvi=cmmi10 scaled 1095
\font\twlsy=cmsy10 at 12pt \font\elvsy=cmsy10 scaled 1095
\font\twlbf=cmbx12 \font\elvbf=cmbx10 scaled 1095
\font\twltt=cmtt12 \font\elvtt=cmtt10 scaled 1095
\font\twlit=cmti12 \font\elvit=cmti10 scaled 1095
\font\twlsl=cmsl12 \font\elvsl=cmsl10 scaled 1095
\font\twlex=cmex10 at 12pt \font\elvex=cmex10 scaled 1095
\font\sevenhrm=cmr7 scaled 1095 \font\fivehrm=cmr5 scaled 1095
\font\sevenhi=cmmi7 scaled 1095 \font\fivehi=cmmi5 scaled 1095
\font\sevenhsy=cmsy7 scaled 1095 \font\fivehsy=cmsy5 scaled 1095
\font\sevenhbf=cmbx7 scaled 1095 \font\fivehbf=cmbx5 scaled 1095
\font\ftnrm=cmr12 at 14.4pt \font\stnrm=cmr17
\font\ftni=cmmi12 at 14.4pt \font\stni=cmmi12 at 17.28pt
\font\ftnsy=cmsy10 at 14.4pt \font\stnsy=cmsy10 at 17.28pt
\font\ftnbf=cmbx12 at 14.4pt \font\stnbf=cmbx12 at 17.28pt
\font\ftntt=cmtt12 at 14.4pt \font\stntt=cmtt12 at 17.28pt
\font\ftnit=cmti12 at 14.4pt \font\stnit=cmti12 at 17.28pt
\font\ftnsl=cmsl12 at 14.4pt \font\stnsl=cmsl12 at 17.28pt
\font\ftnex=cmex10 at 14.4pt \font\stnex=cmex10 at 17.28pt
\font\twnrm=cmr12 at 20.74pt
\font\twni=cmmi12 at 20.74pt
\font\twnsy=cmsy10 at 20.74pt
\font\twnbf=cmbx12 at 20.74pt
\font\twntt=cmtt12 at 20.74pt
\font\twnit=cmti12 at 20.74pt
\font\twnsl=cmsl12 at 20.74pt
\font\twnex=cmex10 at 20.74pt
\font\tensc=cmcsc10
\font\elvsc=cmcsc10 scaled 1095
\font\twlsc=cmcsc10 at 12pt
\font\ftnsc=cmcsc10 at 14.4pt
\font\stnsc=cmcsc10 at 17.28pt
\font\twnsc=cmcsc10 at 20.74pt
% Set skew and hyphenation characters
\skewchar\ninei='177 \skewchar\eighti='177 \skewchar\sixi='177
\skewchar\ninesy='60 \skewchar\eightsy='60 \skewchar\sixsy='60
\skewchar\twli='177 \skewchar\elvi='177
\skewchar\twlsy='60 \skewchar\elvsy='60
\skewchar\sevenhi='177 \skewchar\fivehi='177
\skewchar\sevenhsy='60 \skewchar\fivehsy='60
\hyphenchar\twltt=-1 \hyphenchar\elvtt=-1
\hyphenchar\ninett=-1 \hyphenchar\eighttt=-1 \hyphenchar\tentt=-1
\skewchar\ftni='177 \skewchar\stni='177
\skewchar\ftnsy='60 \skewchar\stnsy='60
\skewchar\twnsy='60
\hyphenchar\ftntt=-1 \hyphenchar\stntt=-1
\hyphenchar\twntt=-1
\catcode`@=11 % borrow the private macros of PLAIN (with care)
\newskip\ttglue
\def\eightpoint{\def\rm{\fam0\eightrm}% switch to 8-point type
\textfont0=\eightrm \scriptfont0=\sixrm \scriptscriptfont0=\fiverm
\textfont1=\eighti \scriptfont1=\sixi \scriptscriptfont1=\fivei
\textfont2=\eightsy \scriptfont2=\sixsy \scriptscriptfont2=\fivesy
\textfont3=\tenex \scriptfont3=\tenex \scriptscriptfont3=\tenex
\textfont\itfam=\eightit \def\it{\fam\itfam\eightit}%
\textfont\slfam=\eightsl \def\sl{\fam\slfam\eightsl}%
\textfont\ttfam=\eighttt \def\tt{\fam\ttfam\eighttt}%
\textfont\bffam=\eightbf \scriptfont\bffam=\sixbf
\scriptscriptfont\bffam=\fivebf \def\bf{\fam\bffam\eightbf}%
\def\oldstyle{\fam1\eighti}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height7pt depth2pt width\z@}%
\def\big##1{{\hbox{$\left##1\vbox to6.5\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to9\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to11.5\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to14\p@{}\right.\n@space$}}}%
\normalbaselineskip=9pt
\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}%
\def\oldstyle{\fam1\ninei}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height8pt depth3pt width\z@}%
\def\big##1{{\hbox{$\left##1\vbox to7.5\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to10.25\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to13\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to15.75\p@{}\right.\n@space$}}}%
\normalbaselineskip=11pt
\normalbaselines\rm}
\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}%
\def\oldstyle{\fam1\teni}%
\def\sc{\tensc}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height8.5pt depth3.5pt width\z@}%
\def\big##1{{\hbox{$\left##1\vbox to8.5\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to11.5\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to14.5\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to17.5\p@{}\right.\n@space$}}}%
\normalbaselineskip=12pt
\normalbaselines\rm}
\def\elevenpoint{\def\rm{\fam0\elvrm}% switch to 11-point type
\textfont0=\elvrm \scriptfont0=\sevenhrm \scriptscriptfont0=\fivehrm
\textfont1=\elvi \scriptfont1=\sevenhi \scriptscriptfont1=\fivehi
\textfont2=\elvsy \scriptfont2=\sevenhsy \scriptscriptfont2=\fivehsy
\textfont3=\elvex \scriptfont3=\tenex \scriptscriptfont3=\tenex
\textfont\itfam=\elvit \def\it{\fam\itfam\elvit}%
\textfont\slfam=\elvsl \def\sl{\fam\slfam\elvsl}%
\textfont\ttfam=\elvtt \def\tt{\fam\ttfam\elvtt}%
\textfont\bffam=\elvbf \scriptfont\bffam=\sevenhbf
\scriptscriptfont\bffam=\fivehbf \def\bf{\fam\bffam\elvbf}%
\def\oldstyle{\fam1\elvi}%
\def\sc{\elvsc}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height9pt depth4pt width\z@}%
\def\big##1{{\hbox{$\left##1\vbox to9\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to12.5\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to16\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to19\p@{}\right.\n@space$}}}%
\normalbaselineskip=13pt
\normalbaselines\rm}
\def\twelvepoint{\def\rm{\fam0\twlrm}% switch to 12-point type
\textfont0=\twlrm \scriptfont0=\eightrm \scriptscriptfont0=\sixrm
\textfont1=\twli \scriptfont1=\eighti \scriptscriptfont1=\sixi
\textfont2=\twlsy \scriptfont2=\eightsy \scriptscriptfont2=\sixsy
\textfont3=\twlex \scriptfont3=\tenex \scriptscriptfont3=\tenex
\textfont\itfam=\twlit \def\it{\fam\itfam\twlit}%
\textfont\slfam=\twlsl \def\sl{\fam\slfam\twlsl}%
\textfont\ttfam=\twltt \def\tt{\fam\ttfam\twltt}%
\textfont\bffam=\twlbf \scriptfont\bffam=\eightbf
\scriptscriptfont\bffam=\sixbf \def\bf{\fam\bffam\twlbf}%
\def\oldstyle{\fam1\twli}%
\def\sc{\twlsc}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height10pt depth4pt width\z@}%
\def\big##1{{\hbox{$\left##1\vbox to10\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to14\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to17.5\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to21\p@{}\right.\n@space$}}}%
\normalbaselineskip=14.4pt
\normalbaselines\rm}
\def\fourteenpoint{\def\rm{\fam0\ftnrm}% switch to 14-point type
\textfont0=\ftnrm \scriptfont0=\tenrm \scriptscriptfont0=\sevenrm
\textfont1=\ftni \scriptfont1=\teni \scriptscriptfont1=\seveni
\textfont2=\ftnsy \scriptfont2=\tensy \scriptscriptfont2=\sevensy
\textfont3=\ftnex \scriptfont3=\tenex \scriptscriptfont3=\tenex
\textfont\itfam=\ftnit \def\it{\fam\itfam\ftnit}%
\textfont\slfam=\ftnsl \def\sl{\fam\slfam\ftnsl}%
\textfont\ttfam=\ftntt \def\tt{\fam\ttfam\ftntt}%
\textfont\bffam=\ftnbf \scriptfont\bffam=\tenbf
\scriptscriptfont\bffam=\sevenbf \def\bf{\fam\bffam\ftnbf}%
\def\oldstyle{\fam1\ftni}%
\def\sc{\ftnsc}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height12pt depth4.5pt width0pt}%
\def\big##1{{\hbox{$\left##1\vbox to12\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to16.5\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to21\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to25\p@{}\right.\n@space$}}}%
\normalbaselineskip=17.28pt
\normalbaselines\rm}
\def\seventeenpoint{\def\rm{\fam0\stnrm}% switch to 11-point type
\textfont0=\stnrm \scriptfont0=\twlrm \scriptscriptfont0=\ninerm
\textfont1=\stni \scriptfont1=\twli \scriptscriptfont1=\ninei
\textfont2=\stnsy \scriptfont2=\twlsy \scriptscriptfont2=\ninesy
\textfont3=\stnex \scriptfont3=\twlex \scriptscriptfont3=\tenex
\textfont\itfam=\stnit \def\it{\fam\itfam\stnit}%
\textfont\slfam=\stnsl \def\sl{\fam\slfam\stnsl}%
\textfont\ttfam=\stntt \def\tt{\fam\ttfam\stntt}%
\textfont\bffam=\stnbf \scriptfont\bffam=\twlbf
\scriptscriptfont\bffam=\ninebf \def\bf{\fam\bffam\stnbf}%
\def\oldstyle{\fam1\stni}%
\def\sc{\stnsc}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height15pt depth6pt width0pt}%
\def\big##1{{\hbox{$\left##1\vbox to15\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to20\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to25\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to30\p@{}\right.\n@space$}}}%
\normalbaselineskip=20.74pt
\normalbaselines\rm}
\def\twentypoint{\def\rm{\fam0\twnrm}% switch to 21-point type
\textfont0=\twnrm \scriptfont0=\ftnrm \scriptscriptfont0=\tenrm
\textfont1=\twni \scriptfont1=\ftni \scriptscriptfont1=\teni
\textfont2=\twnsy \scriptfont2=\ftnsy \scriptscriptfont2=\tensy
\textfont3=\twnex \scriptfont3=\ftnex \scriptscriptfont3=\tenex
\textfont\itfam=\twnit \def\it{\fam\itfam\twnit}%
\textfont\slfam=\twnsl \def\sl{\fam\slfam\twnsl}%
\textfont\ttfam=\twntt \def\tt{\fam\ttfam\twntt}%
\textfont\bffam=\twnbf \scriptfont\bffam=\ftnbf
\scriptscriptfont\bffam=\tenbf \def\bf{\fam\bffam\twnbf}%
\def\oldstyle{\fam1\twni}%
\def\sc{\twnsc}%
\tt \ttglue=.5em plus.25em minus.15em
\setbox\strutbox=\hbox{\vrule height17.5pt depth6pt width0pt}%
\def\big##1{{\hbox{$\left##1\vbox to17.5\p@{}\right.\n@space$}}}%
\def\Big##1{{\hbox{$\left##1\vbox to24\p@{}\right.\n@space$}}}%
\def\bigg##1{{\hbox{$\left##1\vbox to30\p@{}\right.\n@space$}}}%
\def\Bigg##1{{\hbox{$\left##1\vbox to36\p@{}\right.\n@space$}}}%
\normalbaselineskip=24.88pt
\abovedisplayskip 18pt plus 3pt minus 9pt
\belowdisplayskip 18pt plus 3pt minus 9pt
\normalbaselines\rm}
\catcode`@=12 % Back to normal