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%
% This file is part of MusiXTeX
%
% MusiXTeX is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2, or (at your option)
% any later version.
%
% MusiXTeX is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with MusiXTeX; see the file COPYING. If not, write to
% the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
% Boston, MA 02111-1307, USA.
%
\immediate\write16{MusiXCHOir T.89\space<24 March 1998>}%
\ifx\undefined\braceheight \else \endinput \fi
\edef\catcodeat{\the\catcode`\@}\catcode`\@=11
\catcodesmusic
% big parentheses for e.g. multiline text
\newskip\braceheight \braceheight=4\Interligne\relax
\def\ChoirStrut{\vphantom{\^Wgjpqy}}
\def\biglbrace{\let\@Ti\llap \let\@Tii\{\relax \C@br}
\def\bigrbrace{\let\@Ti\rlap \let\@Tii\}\relax \C@br}
\def\C@br{\C@tx{\@Ti{$\left\@Tii\vbox\@to\braceheight{}\right.\n@space$}\vss}}
% multiline text
\def\@kti{\kern\thr@@\Internote\strut}
\def\@kmi{\kernm\Internote\strut}
\def\Dtx#1|#2*{\C@tx{\lrlap{\@kti#1\ChoirStrut}\lrlap{\@kti#2\ChoirStrut}\vss}}
\def\Drtx#1|#2*{\C@tx{\rlap{\@kmi#1\ChoirStrut}\rlap{\@kmi#2\ChoirStrut}\vss}}
\def\Ttx#1|#2|#3*{\C@tx{\lrlap{\@kti#1\ChoirStrut}\lrlap{\@kti#2\ChoirStrut}\lrlap{\@kti#3\ChoirStrut}\vss}}
\def\Trtx#1|#2|#3*{\C@tx{\rlap{\@kmi#1\ChoirStrut}\rlap{\@kmi#2\ChoirStrut}\rlap{\@kmi#3\ChoirStrut}\vss}}
\def\Qtx#1|#2|#3|#4*{\C@tx{\lrlap{\@kti#1\ChoirStrut}\lrlap{\@kti#2\ChoirStrut}%
\lrlap{\@kti#3\ChoirStrut}\lrlap{\@kti#4\ChoirStrut}\vss}}
\def\Qrtx#1|#2|#3|#4*{\C@tx{\rlap{\@kmi#1\ChoirStrut}\rlap{\@kmi#2\ChoirStrut}\rlap{\@kmi#3\ChoirStrut}%
\rlap{\@kmi#4\ChoirStrut}\vss}}
\def\tx#1*{\C@tx{\lrlap{\@kti#1\ChoirStrut}\vss}}
\def\rtx#1*{\C@tx{\rlap{\@kmi#1\ChoirStrut}\vss}}
% longation rule
\newskip\@ihf
\def\thf{\getcurpos\advance\y@v-\@ihf \advance\y@v-\tw@\Interligne
\llap{\vrule\@width\y@v\@height\lthick\kern\Interligne}}%
\def\ixhf#1{\setbox\ch@box\hbox{#1}\getcurpos \advance\y@v\h@lf\wd\ch@box
\advance\y@v\Interligne \global\@ihf\y@v \box\ch@box}
\def\ihf#1{\setbox\ch@box\hbox{#1}\getcurpos \advance\y@v\wd\ch@box
\global\@ihf\y@v \box\ch@box}
\endcatcodesmusic
\catcode`\@=\catcodeat
\endinput
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