Re: score-lines-markup-list in Lyrics?

[Thomas Morley]

Am Mi., 12. Dez. 2018 um 09:53 Uhr schrieb David Kastrup <address@hidden>:
>
> David Kastrup <address@hidden> writes:
>
> > Thomas Morley <address@hidden> writes:
> >
> >> Hi all,
> >>
> >> this works:
> >>
> >> \version "2.19.82"
> >>
> >> tst = \markuplist \italic #(make-list 2 "buzz")
> >>
> >> <<
> >>   \new Staff { R1 \break R1 }
> >>   \new Lyrics \lyricmode { address@hidden }
> >>>>
> >>
> >> This doesn't work:
> >>
> >> tstA =
> >> \markuplist \score-lines { \repeat unfold 80 a'16 }
> >>
> >> <<
> >>   \new Staff { R1 \break R1 }
> >>   \new Lyrics \lyricmode { address@hidden }
> >>>>
> >>
> >>
> >> I have some vague thoughts why it refuses to work, though I can't
> >> really word them ...
> >
> > A list of markups is only one possible form of a markup list.
> > Obviously™ a markup command call cannot be a list of markups since the
> > call is only done when typesetting and then a list of stencils (not of
> > markups) is getting produced.
> >
> >> Anyway, is it somehow doable?
> >
> > Lyrics would need to accept markup lists.  That's not readily possible
> > since the number of stencils produced is only known at the time of
> > calling the markup list command (during iteration) and the length of a
> > music expression is often needed before.
> >
> > So I don't readily see how this could be reliably done.
>
> Unreliably, one could produce sequential music with a elements-callback
> field producing lyrics elements from individual \stencil markups.  The
> stencil list would be produced at time of iteration by the
> elements-callback, and the length callback would be made to return some
> nonsense or approximation.
>
> --
> David Kastrup

Hi David,

thanks for the insights.
Background is:
https://lists.gnu.org/archive/html/lilypond-user/2018-12/msg00199.html

Well, hopefully my disclaimer is sufficient ...

Thanks,
  Harm