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diff --git a/Master/texmf-dist/tex/generic/mathabx/mathabx.tex b/Master/texmf-dist/tex/generic/mathabx/mathabx.tex
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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
+
+