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Re: Assertion failure when using Melody_engraver and CueVoice
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From: |
Jonas Hahnfeld |
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Subject: |
Re: Assertion failure when using Melody_engraver and CueVoice |
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Date: |
Tue, 09 Feb 2021 19:55:48 +0100 |
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User-agent: |
Evolution 3.38.3 |
Am Montag, dem 08.02.2021 um 15:53 -0500 schrieb Nate Whetsell:
> Hi there,
>
> Thank you for all your work on LilyPond!
>
> It appears to be impossible to use a Melody_engraver in a Voice that also
> includes a CueVoice. Here’s a LilyPond example that illustrates the issue:
>
> ```
> \version "2.22.0"
> \new Voice \with {
> \consists "Melody_engraver"
> \override Stem.neutral-direction = #'()
> } {
> <<
> { r }
> \new CueVoice { c'' }
> >>
> }
> ```
>
> LilyPond outputs:
>
> GNU LilyPond 2.22.0
> Processing `test.ly'
> Parsing...
> Interpreting music...
> Preprocessing graphical objects...
> Finding the ideal number of pages...
> Fitting music on 1 page...
> Drawing systems...Assertion failed: (d == 1 || d == -1), function at, file
> /private/tmp/lilypond-20210130-26352-lkbhbf/lilypond-2.22.0/build/../flower/include/drul-array.hh,
> line 35.
Yep, that doesn't look good. Thanks for the already reduced example,
I've opened https://gitlab.com/lilypond/lilypond/-/issues/6093 to track
this issue.
Regards
Jonas
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