+%% All LilyPond music data is enclosed in this macro (as third argument).
+%% The data (which consists of boxes with zero width) gets an artificial
+%% width of #1 and a height of #2. The resulting box is then centered
+%% vertically along the x-height of the current font.
+%%
+%% Parameters #1 and #2 are scaled by \outputscale.
+%%
+\gdef\lybox#1#2#3{
+ \lytempdim #2\outputscale
+ \lytempdim -0.5\lytempdim
+ \advance\lytempdim 1ex
+ \leavevmode
+ \raise \lytempdim \hbox to #1\outputscale {
+ %% Convert depth of #3 into height only.
+ \vbox to #2\outputscale {\hbox{#3}\vss}
+ \hss}}
+
+%% Produce a black bar (width #2, depth #3, height #4) with a vertical
+%% offset #1. Everything is scaled by \outputscale.
+%%
+\gdef\lyvrule#1#2#3#4{
+ \kern#1\outputscale
+ \vrule width #2\outputscale depth #3\outputscale height #4\outputscale}
+
+%% FIXME: 'interscoreline' and 'lilypondPAPERinterscoreline
+%%
+\lilypondifundefined{lilypondpaperinterscorelinefill}
+ {\gdef\lilypondpaperinterscorelinefill{0}}
+ {\gdef\lilypondpaperinterscorelinefill{1}}
+
+%% Allow overriding of interscoreline, e.g., for LilyPond's --preview
+%%
+\lilypondifundefined{interscoreline}
+ {\lilypondifundefined{lilypondclassic}
+ {\gdef\interscoreline{}}
+ {\gdef\interscoreline{
+ \vskip\lilypondpaperinterscoreline\lilypondpaperunit
+ plus \lilypondpaperinterscorelinefill fill}}}
+ {}
+
+%% Include PostScript definitions (which are differently defined for
+%% TeX and pdfTeX). This is loaded once only because the inputted files
+%% define \lilypondpostscript.
+%%
+%% (Don't remove the spaces after the arguments to \input!)
+%%