Re: Remove all occurrencies of "0" fingerings

[Marc Hohl]

Am 08.08.2017 um 12:47 schrieb David Kastrup:
> Marc Hohl <address@hidden> writes:
>
> > I wanted to write a little callback to remove all occurrencies
> > of "0" fingerings. This is what I got so far:
> >
> >
> > \version "2.19.63"
> >
> > music = {
> >    c'4-3 d'-0 e'-2 f'-3 | g'1-0
> > }
> >
> > \score {
> >    \new Staff \with {
> >      \override Fingering.stencil =
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >        #(lambda (grob)
> [...]
> >                               (ly:grob-property grob 'stencil))))
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> > Compiling this nearly MWE, I get:
> >
> > Warning: Fingering has empty extent and non-empty stencil.
> > Warning: Fingering has empty extent and non-empty stencil.
> >
> > And *no* fingering at all is shown in the resulting score.
> > What am I doing wrong?
>
> Recursion: see Recursion.

Ah, yes!

I think I intermingled the idea to use Fingering.after-line-breaking 
(where stencil is already defined) and Fingering.stencil (to remove the 
stencil before any layout decisions are completed).

Thanks for clarification!

Marc