Menu Jacques <imj-...@bluewin.ch> writes:

> As someone mentioned on this list some time ago, Silas S. Brown has written
> jianpu-ly, described at 
> http://people.ds.cam.ac.uk/ssb22/mwrhome/jianpu-ly.html, that
> produces LilyPond code from a custom text description of the score.
>
> This leads to code such as:
>
> #(define (note-one grob grob-origin context)
>   (if (grob::has-interface grob 'note-head-interface)
>     (begin
>       (ly:grob-set-property! grob 'stencil
>         (grob-interpret-markup grob
>           (make-lower-markup 0.5 (make-bold-markup "1")))))))
>
> \applyOutput #'Voice #note-one
> c''4[^. ~ 
>  
> with one specific function (note-one here) per note in the scale.

Surprisingly awful.

> Would a note engraver producing numbers instead of glyphs be a way
> worth going for obtaining the same while keeping the regular syntax,
> i.e. without any function such as 'note-one’ above being needed?

Sounds like the way to go.  Basically to be used as a part of a Jianpu
context akin to the NoteNames context.

> A by-product of this approach might be the generation of ABC music
> notation, see http://abcnotation.com, with LilyPond btw.

I don't think this would make a lot of sense since there is no point in
getting a printed ABC score rather than a file of ABC input.  So you
would want a completely different output definition from \layout.

-- 
David Kastrup

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