Re: 2.23.5 and poly-mark-engraver https://lsr.di.unimi.it/LSR/Item?id=976

[Valentin Petzel]

Hello Joel,

With 2.23 the MarkEvent gets replaced by the RehearsalMarkEvent and the 
AdHocMarkEvent, where the latter is meant for labeled and uncounted marks.

This means that you you should replace 'MarkEvent in the polyMark function 
for 'AdHocMarkEvent or 'RehearsalMarkEvent, depending on the kind of 
labeling. Of course the polymark engraver does not differentiate between these 
two things.

Cheers,
Valentin

Am Donnerstag, 30. Dezember 2021, 18:07:10 CET schrieb Joel C. Salomon:
> I'm returning to an old project (last touched in 2016) on a new 
> computer, and I’m running 2.23.5 on Windows 11.
> 
> Several of the scores used poly-mark-engraver from 
> <https://lsr.di.unimi.it/LSR/Item?id=976> (see also 
> <https://lists.gnu.org/archive/html/lilypond-user/2011-08/msg00157.html>), 
> and this now fails with
> 
> 
> > fatal error: cannot find music object: MarkEvent
> 
> 
> (Minimal example below signature; the demonstration included in 
> <https://lsr.di.unimi.it/LSR/Snippet?id=976> also fails the same way.)
> 
> This is both a bug-report if anyone’s maintaining the snippet, and a 
> question whether there’s now a better way to write da capo, al segno, 
> and other coda-like repeats.
> 
> —Joel C. Salomon
> 
>      \version "2.23.5"
>      \language "english"
> 
>      \include "poly-mark-engraver.ly" % 
> http://lsr.di.unimi.it/LSR/Item?id=976
> 
>      \score {
>        \new PianoStaff
>        <<
>          \new Staff = "upper" \relative c'' { c c c c | }
>          \new Dynamics = "dynamics" {
>            s4*4
>            \polyMark #'DCFine \markup \italic "Segue"
>            \bar "|."
>          }
>          \new Staff = "lower" \relative c { \clef bass c c c c | }
> 
>        >>
> 
>      }

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