ly:note-head::print

[Carl Sorensen]

I'm trying to work on the shape-note font problem.  There are more
shape-note styles to bring in, and the shape-note font space seems to be
getting larger and larger.  So I think the right thing to do is to define a
separate font for the shape notes, like we have parmesan for the ancient
notes.

In order to do that, I need to make sure that ly:note-head::print can get
access to the glyphs.  So I'm trying to find ly:note-head::print.

git grep ly:note-head::print  returns only uses of the function, not the
definition.

So I thought I'd look for a c++ definition, which is generally accomplished
by calling a macro with underscores replacing the colons:

git grep ly_note

returns definitions for ly:note-column-accidentals,
ly:note-column-dot-column, and ly:note-head::stem-attachment.  But no
ly:note-head::print.

So where is it, and how can I find it?

Thanks,

Carl