In the current manual, define-music-function is introduced late in the
scheme chapter. I suspect that this is simply because
define-music-function is a more recent lilypond construct, and whoever
added it didn't want to disturb the existing material. Is that
correct?
I'm revising the chapter now (as you can tell from the previous
half-dozen emails :), and it makes sense to me to _begin_ the chapter
with define-music-function, and then work through the general theory of
scheme, lilypond music expressions, etc. In other words, stick the
define-music-function stuff *before* the current 11.1.1. Are there any
objections? I really don't think that people need to know what
#(ly:make-music-function (11.1.3) does before using
define-music-function, but I still can't claim to fully understand
#(ly:make-music-function myself, so I might be missing some vital
info.
My current sense is that define-music-function and \displayMusic (and
perhaps a bit of patience) are the most important parts of 11.1.
Thoughts?
Cheers,
- Graham
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