Re: "Assertion failed!" errors

[Thomas Morley]

2015-06-13 21:44 GMT+02:00 Simon Albrecht <address@hidden>:
> Am 13.06.2015 um 20:03 schrieb Thomas Morley:
>>
>> 2015-06-13 19:16 GMT+02:00 Daniel Rosen <address@hidden>:
>>>
>>> Running LilyPond 2.19.21 on 64-bit Windows 7, I get an odd pop-up error
>>> dialog in a number of different circumstances. Below are two examples.
>>
>> Example #1 gives a warning in 2.18.2, aborting in 2.19.21
>>
>> Though it's not a bug but expected behaviour, because a whole note
>> does not have a stem.
>
> Doesn’t it have an invisible one?
> ~ Simon

More precisely, a whole note's Stem has no stencil.

See the output from:

\version "2.19.21"

{
    \override NoteHead.after-line-breaking =
    #(lambda (grob)
      (display (ly:grob-object grob 'stem))
      (display (grob::is-live? (ly:grob-object grob 'stem)))
      (display (ly:grob-property (ly:grob-object grob 'stem) 'stencil))
      )
    a1
}

returns:
#<Grob Stem >#t()


Cheers,
  Harm