Re: Melisma breaking converting from 2.18 to 2.19

[Malte Meyn]

Am 27.08.19 um 04:40 schrieb Vaughan McAlley:
> I’m trying to convert a large choral project to 2.19. When I compile 
> with 2.19, melismas don't work at all. For example:
>
> c'4 \melisma d' e' \melismaEnd f
>
> puts a note on every syllable.
>
> […]
>
> Does this ring a bell with anyone?

Yes, it does. The following two scores look the same in 2.18.2 and 
different in 2.19.83:

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\version "2.18.2"
%\version "2.19.83"

global = {
  s1
  \bar "|."
}

sop = \relative {
  c'4( d) e f
}

soptext = \lyricmode {
  Me -- lis -- ma
}

\new Staff << \global \sop >> \addlyrics \soptext

\new Staff << \global \sop \addlyrics \soptext >>

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Is this a bug/regression?