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\edef\catcodeat{\the\catcode`\@}\catcode`\@=11
\edef\catcode@gt{\the\catcode`\>}\catcode`\>=12
\edef\catcode@lt{\the\catcode`\<}\catcode`\<=12
% \dyn {pitch}{text} inserts a dynamic
\def\dyn#1#2{\zcharnote{#1}{{\ppff #2}}}
% \nobarnumbers prevents bar numbering
\def\nobarnumbers{\def\wbarno{\relax}}
% \barnumbers restores bar numbering
\def\barnumbers{\def\wbarno{\w@barno}}
% \tab is defined as a tab character, so that I can still use tabs.
\catcode`\@=4
\let\tab=@
\catcode`\@=11
% The next few sections define some extra macros to produce notes.
% shifted dotted whole notes
\def\rwp#1{\kern \wd@skip\zwp{#1}\kern -\wd@skip}
\def\lwp#1{\kern -\wd@skip\zwp{#1}\kern \wd@skip}
% Half-shifted notes. I sometimes use these for close intervals: for instance
% \zlqu g\zrql f
\def\zrwh{\zrw}
\def\zlwh{\zlw}
\def\zrw#1{\kern .52\wd@skip\zw{#1}\kern -.52\wd@skip}
\def\zlw#1{\kern -.52\wd@skip\zw{#1}\kern .52\wd@skip}
\def\zrhu#1{\kern .45\hn@width\zhu{#1}\kern -.45\hn@width}
\def\zlhu#1{\kern -.45\hn@width\zhu{#1}\kern .45\hn@width}
\def\zrhl#1{\kern .45\hn@width\zhl{#1}\kern -.45\hn@width}
\def\zlhl#1{\kern -.45\hn@width\zhl{#1}\kern .45\hn@width}
\def\zrhup#1{\kern .45\hn@width\zhup{#1}\kern -.45\hn@width}
\def\zlhup#1{\kern -.45\hn@width\zhup{#1}\kern .45\hn@width}
\def\zrhlp#1{\kern .45\hn@width\zhlp{#1}\kern -.45\hn@width}
\def\zlhlp#1{\kern -.45\hn@width\zhlp{#1}\kern .45\hn@width}
\def\zrqu#1{\kern .45\qd@skip\zqu{#1}\kern -.45\qd@skip}
\def\zlqu#1{\kern -.45\qd@skip\zqu{#1}\kern .45\qd@skip}
\def\zrql#1{\kern .45\qd@skip\zql{#1}\kern -.45\qd@skip}
\def\zlql#1{\kern -.45\qd@skip\zql{#1}\kern .45\qd@skip}
\def\zrqup#1{\kern .45\qd@skip\zqup{#1}\kern -.45\qd@skip}
\def\zlqup#1{\kern -.45\qd@skip\zqup{#1}\kern .45\qd@skip}
\def\zrqlp#1{\kern .45\qd@skip\zqlp{#1}\kern -.45\qd@skip}
\def\zlqlp#1{\kern -.45\qd@skip\zqlp{#1}\kern .45\qd@skip}
\def\zrcu#1{\kern .45\qd@skip\zcu{#1}\kern -.45\qd@skip}
\def\zlcu#1{\kern -.45\qd@skip\zcu{#1}\kern .45\qd@skip}
\def\zrcl#1{\kern .45\qd@skip\zcl{#1}\kern -.45\qd@skip}
\def\zlcl#1{\kern -.45\qd@skip\zcl{#1}\kern .45\qd@skip}
%
% half left shifted accidentals - for putting before half shifted notes
%
\def\hlfl#1{\getn@i{#1}\global\n@raise=\fl@raise
\pl@llap{\f@lat\kern 0.45\qd@skip}%
}%
\def\hldfl#1{\getn@i{#1}\global\n@raise=\fl@raise
\pl@llap{\df@lat\hskip 0.45\qd@skip}%
}%
\def\hlsh#1{\getn@i{#1}\global\n@raise=\sh@raise
\pl@llap{\s@harp\hskip 0.45\qd@skip}%
}%
\def\hldsh#1{\getn@i{#1}\global\n@raise=\z@
\pl@llap{\ds@harp\hskip 0.45\qd@skip}}%
\def\hlna#1{\getn@i{#1}\global\n@raise=\na@raise
\pl@llap{\n@at\hskip 0.45\qd@skip}}%
%
% The following macros can be used to surround a note by parentheses. They
% are also used as ornaments by J.P. Rameau.
% \lpar p produces a left parenthesis, or "port de voix" at pitch p
% \rpar p produces a right parenthesis, or "pinc\'e"
\def\lpar#1{\zcharnote{#1}{\raise -2.5pt\hbox{\tentt\kern -0.76\wd@skip (}}}
\def\rpar#1{\zcharnote{#1}{\raise -2.5pt\hbox{\tentt\kern 0.76\wd@skip )}}}
\newdimen\tmp@dimen
\def\bracketshrink{0.17\Interligne}
% \bracket pn draws a square bracket ( [ ) to bracket an interval of an n-th
% whose lowest note is p.
\def\bracket#1#2{\tmp@dimen #2\Interligne\advance\tmp@dimen by\Interligne
\divide\tmp@dimen by2\relax
\advance\tmp@dimen by-\bracketshrink\advance\tmp@dimen by-\bracketshrink
\advance\tmp@dimen by-\lthick
\zcharnote#1{\kern-.75\Interligne\raise-.5\Interligne
\hbox{\raise\bracketshrink\hbox{\rlap{\vrule height\tmp@dimen}\relax
\rlap{\vbox{\hrule width .5\Interligne}}\relax
\raise\tmp@dimen\vbox{\hrule width .5\Interligne}}}}}
\newdimen\tmp@dimenc
\newdimen\z@iii\newdimen\z@iv\newdimen\z@v
% \oblique {l}{s}{h} draws an oblique line of length l, slope s percent, and
% height h. This will cause an unrecorded space so it should be used within
% \rlap. Note that this macro is a hack and probably gobbles up resources!
% This macro is used by some of the others which follow.
\def\oblique#1#2#3{\relax % length slope height
\ifnum #2=0\relax\raise #3\vbox{\hrule width #1 height\lthick depth\z@}\relax
\else\q@antum=25\lthick\divide\q@antum by #2\relax
\ifdim\q@antum<0pt\relax\multiply\q@antum by -1\fi
\global\z@iv=0pt\relax
\loop\ifdim\z@iv<#1\relax
{\z@v=#1\relax\advance\z@v by -\z@iv\relax\advance\z@v by -\q@antum\relax
\tmp@dimenc\z@iv\multiply\tmp@dimenc by#2\relax
\z@iii=#3\relax\advance\z@iii by .01\tmp@dimenc\relax\advance\z@iii by
-0.5\internote
\ifnum #2<0\relax\advance\z@iii by \lthick\relax\fi
\tmp@dimenc\z@v\multiply\tmp@dimenc by#2\relax
\ifdim\z@v<0pt\relax\advance\z@iii by .01\tmp@dimenc\relax\hskip\z@v\fi
\advance\z@iii by 0.6\internote\relax
\raise\z@iii\hbox to \q@antum{\vrule width\q@antum height .5\lthick depth
.5\lthick}\relax
\global\advance\z@iv by \q@antum\relax
}\repeat
\fi
}
\newdimen\tmp@dimenb\newcount\tmp@ct
\def\crescwidth{1.8\Interligne}
% These macros produce variable size crescendo and diminuendo marks.
% \varcresc{p}{l} produces a crescendo at pitch p, and of length l, causing
% no space.
\def\varcresc#1#2{\relax% height (note), length (dimen)
\tmp@dimenb \crescwidth\tmp@dimen #2\multiply
\tmp@dimenb by50\divide\tmp@dimenb by\tmp@dimen \tmp@ct\tmp@dimenb
\ifnum 0=\tmp@ct\relax
\tmp@ct 1\fi
\getn@i{#1}\tmp@dimen\n@i\internote
\rlap{\oblique{#2}{\tmp@ct}{\tmp@dimen}}\relax
\advance\tmp@dimen by-\lthick
\rlap{\oblique{#2}{-\tmp@ct}{\tmp@dimen}}}
% \vardim{p}{l} draws a diminuendo at pitch p, and of length l, causing
% no space.
\def\vardim#1#2{\tmp@dimenb 1.6\Interligne\tmp@dimen #2\multiply
\tmp@dimenb by50\divide\tmp@dimenb by\tmp@dimen \tmp@ct\tmp@dimenb
\ifnum 0=\tmp@ct\relax
\tmp@ct 1\fi
\getn@i{#1}\tmp@dimen\n@i\internote
\tmp@dimenb\crescwidth\divide\tmp@dimenb by2\relax
\advance\tmp@dimen by\tmp@dimenb
\rlap{\oblique{#2}{-\tmp@ct}{\tmp@dimen}}\relax
\advance\tmp@dimen by \lthick
\tmp@dimenb #2\multiply\tmp@dimenb by\tmp@ct\advance\tmp@dimen
by-.02\tmp@dimenb
\rlap{\oblique{#2}{\tmp@ct}{\tmp@dimen}}}
% \overbracket{p}{l}{s} draws a bracket over the music starting at the
% current position at pitch p, width l and slope s percent, causing no space.
\def\overbracket#1#2#3{\relax % height (note), length (dimen) slope (%)
\tmp@dimenb #2\multiply\tmp@dimenb by#3\divide\tmp@dimenb by100\relax
\getn@i{#1}\advance\tmp@dimenb by\n@i\internote\rlap{\relax
\raise\n@i\internote\rlap{\vrule width\lthick height \lthick
depth .8\Interligne}\oblique{#2}{#3}{\n@i\internote}\relax
\advance\tmp@dimenb by.5\lthick\relax
\raise\tmp@dimenb\hbox{\vrule width\lthick height \lthick
depth.8\Interligne}}}
% \ovbkt{p}{n}{s} is the same as \overbracket, except that it draws the
% bracket to cover n notes (note however that glue inserted by \temps
% commands will expand the space between the notes but will not affect the
% bracket).
% I use this macro to indicate triplets, for instance.
\def\ovbkt#1#2#3{\relax % height (note), length (number of notes) slope (%)
\tmp@dimen #2\noteskip\advance\tmp@dimen by\wd@skip\advance\tmp@dimen
by -\noteskip\advance\tmp@dimen by\lthick \overbracket{#1}{\tmp@dimen}{#3}}
% \underbracket and \unbkt are similar to the above, but produce
% brackets under the music.
\def\underbracket#1#2#3{\relax % height (note), length (dimen) slope (%)
\tmp@dimenb #2\multiply\tmp@dimenb by#3\divide\tmp@dimenb by100\relax
\getn@i{#1}\advance\tmp@dimenb by\n@i\internote\rlap{\relax
\raise\n@i\internote\rlap{\vrule width\lthick depth -\lthick
height \Interligne}\oblique{#2}{#3}{\n@i\internote}\relax
\advance\tmp@dimenb by.5\lthick\relax
\raise\tmp@dimenb\hbox{\vrule width\lthick depth -\lthick
height\Interligne}}}
\def\unbkt#1#2#3{\relax % height (note), length (number of notes) slope (%)
\tmp@dimen #2\noteskip\advance\tmp@dimen by\wd@skip\advance\tmp@dimen
by -\noteskip\advance\tmp@dimen by\lthick
\kern-2\lthick\underbracket{#1}{\tmp@dimen}{#3}\kern2\lthick}
% Here are several macros to make use of the alternative note graphics found
% in the font files. I copied the idea from the usual note macros in
% MusicTeX.
% \ttrill p makes a terminated trill ...
\def\ttrill#1{\zcharnote{#1}{\o@skp\musicnorfont\char"58\dimen@4.6pt%
\advance\dimen@-1.5\internote\tenrm\lower\dimen@\hbox{'}}}
% J.P. Rameau indicated "arpegements" by drawing oblique strokes through the
% note stems.
% \downarpeg p is written just before the note at pitch p with its stem
% pointing up in order to indicate a descending arpeggio
% \uparpeg p is written just before the note at pitch p with its stem
% pointing down in order to indicate an ascending arpeggio
\font\linew=linew10 %would be nice to have slightly shorter lines...
\def\downarpeg#1{\getn@i{#1}\advance\n@i by3\raise\n@i\internote
\rlap{\linew\char"61}}
\def\uparpeg#1{\getn@i{#1}\advance\n@i by-3\raise\n@i\internote
\rlap{\linew\char"21}}
% \qqs is a demi-semiquaver rest
\def\qqs{\charnote0{{\musicnorfont\char"41}}}
% These macros change context while forbidding line breaks
\def\xchangecontext{{\def\updatecontext{\x@updatecon}\changecontext}}
\def\xChangecontext{{\def\updatecontext{\x@updatecon}\Changecontext}}
\catcode`\>=\catcode@gt
\catcode`\<=\catcode@lt
\catcode`\@=\catcodeat
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