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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% mathabx.tex. Version: May 18, 2005.
% Author: Anthony PHAN.
% matches the ``mathabx'' family.
% plain-TeX input file
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
\ifx\mathabxversion\undefined\else\endinput\fi
\def\mathabxversion{January 28, 2004}%
%
\catcode`@=11
%
% proofing?
%
\ifx\proofmode\undefined
\def\symbol@message#1{\relax}%
\def\symbol@mark#1#2{\relax}%
\def\check@definition#1{\relax}%
\def\mathabx@undefine#1{\let#1=\undefined}%
\def\mathabx@aliases#1#2{\@mathabx@aliases#1#2?\@end}
\def\@mathabx@aliases#1#2#3\@end{\ifx#2?\else
\let#2=#1\@mathabx@aliases#1#3\@end\fi}%
\else
\def\symbol@message#1{\vskip\z@ plus\baselineskip
\penalty-250\vskip\z@ plus-\baselineskip
\medbreak{\noindent\bf #1}%
\nobreak\smallskip\noindent\ignorespaces}%
\def\symbolsp@cing#1{\ifcase\number#1 ord\or op%
\or bin\or rel\or open\or close\or punct%
\or var\else other\fi}%
\def\symbol@mark#1#2{\allowbreak
\hbox to 0.05\hsize{$#1$\hss}%
\hbox to 0.05\hsize{\unhbox0\hss}%
\hbox to 0.4001\hsize{{\tt\string#1}%
$^{\rm\symbolsp@cing{#2}}$\hfil}%
\ignorespaces}%
\def\check@definition#1{\ifx#1\undefined
\setbox0\hbox{}%
\else\setbox0=\hbox{$#1\relax$}\fi}%
\def\mathabx@undefine#1{}%
\def\mathabx@aliases#1#2{\setbox0=\lastbox
\@mathabx@aliases#1#2?\@end
\ifdim\wd0>0.4\hsize\hbox to 0.9001\hsize{\unhbox0\hfill}%
\else\hbox to 0.4001\hsize{\unhbox0\hfill}\fi}%
\def\@mathabx@aliases#1#2#3\@end{\ifx#2?\else
\let#2=#1%
\setbox0=\hbox{\unhbox0, \tt\string#2}%
\@mathabx@aliases#1#3\@end\fi}%
\fi
%
% Symbols declarations: \LaTeX-like commands
%
\def\hexnumber@#1{\ifcase\number#1 0\or 1\or 2\or 3\or 4%
\or 5\or 6\or 7\or 8\or 9\or A\or B\or C\or D\or E\else F\fi}%
\def\hexnumber@@#1{{\count0=#1
\count1=#1
\divide\count0 by 16
\hexnumber@\count0
\multiply\count0 by 16
\advance\count1 by -\count0
\hexnumber@\count1}}%
%
\def\DeclareMathSymbol#1#2#3#4{\check@definition{#1}%
\count255=#2\multiply\count255 by 16
\advance\count255 by \csname#3fam\endcsname
\multiply\count255 by 256\advance\count255 by #4
\ifcat\noexpand#1\relax\mathchardef#1=\count255%
\else\expandafter
\mathcode\expandafter`\csname#1\endcsname=\count255%
\fi\symbol@mark{#1}{#2}}%
%
\def\gobble@quotes#1{\ifx#1"\else#1\fi}%
%
\def\@DeclareMathDelimiter#1#2#3#4#5#6{%
\edef#1{\noexpand\delimiter\noexpand"\gobble@quotes#2%
\expandafter\hexnumber@\csname#3fam\endcsname\gobble@quotes#4%
\expandafter\hexnumber@\csname#5fam\endcsname\gobble@quotes#6 }%
\symbol@mark{#1}{#2}}%
%
\def\@xDeclareMathDelimiter#1#2#3#4#5{%
\count255=\csname#2fam\endcsname
\multiply\count255 by 256\advance\count255 by #3
\multiply\count255 by 16
\advance\count255 by \csname#4fam\endcsname
\multiply\count255 by 256\advance\count255 by #5
\expandafter\delcode\expandafter`\csname#1\endcsname=\count255
\symbol@mark{#1}{8}}%
%
\def\DeclareMathDelimiter#1{\check@definition{#1}%
\ifcat\noexpand#1\relax
\def\Large@stuff{\noexpand\delimiter}%
\expandafter\@DeclareMathDelimiter
\else\expandafter\@xDeclareMathDelimiter\fi#1}%
%
\def\DeclareMathRadical#1#2#3#4#5{%\check@definition{#1}%
\edef#1{\noexpand\radical\noexpand"%
\expandafter\hexnumber@\csname#2fam\endcsname\gobble@quotes#3%
\expandafter\hexnumber@\csname#4fam\endcsname\gobble@quotes#5 }%
\symbol@mark{#1{}}{8}}%
%
\def\DeclareMathAccent#1#2#3#4{%\check@definition{#1}%
\edef#1{\noexpand\mathaccent\noexpand"%
\expandafter\hexnumber@\csname#3fam\endcsname\gobble@quotes#4 }%
\symbol@mark{#1{}}{8}}%
%
% loading math fonts
%
\font\twelvematha=matha10 at 12pt
\font\tenmatha=matha10 \font\ninematha=matha9
\font\eightmatha=matha8 \font\sevenmatha=matha7
\font\sixmatha=matha6 \font\fivematha=matha5
\newfam\mathafam
\font\twelvemathb=mathb10 at 12pt
\font\tenmathb=mathb10 \font\ninemathb=mathb9
\font\eightmathb=mathb8 \font\sevenmathb=mathb7
\font\sixmathb=mathb6 \font\fivemathb=mathb5
\newfam\mathbfam
\font\tenmathx=mathx10
\newfam\mathxfam
%\chardef\mathxfam=4
%\let\tenex=\tenmathx
%
% Initialization
% (make changes in your own file if you want different sizes)
%
\textfont\mathafam=\tenmatha \scriptfont\mathafam=\sevenmatha
\scriptscriptfont\mathafam=\fivematha
\textfont\mathbfam=\tenmathb \scriptfont\mathbfam=\sevenmathb
\scriptscriptfont\mathbfam=\fivemathb
\textfont\mathxfam=\tenmathx \scriptfont\mathxfam=\tenmathx
\scriptscriptfont\mathxfam=\tenmathx
%\def\dagesh#1{{\fam\mathbfam#1}}%
\def\mathafont{\fam\mathafam\tenmatha}%
\def\mathbfont{\fam\mathbfam\tenmathb}%
\let\mathabx@matha=\relax
\let\mathabx@mathb=\relax
\let\mathabx@mathx=\relax
\let\end@mathabx=\relax
\input mathabx.dcl
\catcode`@=12
\let\proofmode=\undefined
\endinput
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