Regression: 2.19.61 doesn't handle melisma properly with multiple voices

2019-10-30 Thread Marnen Laibow-Koser
Hi everyone! I've just run across a bug in 2.19.61. Normally when lyrics are set to a voice with slurs, syllables don't get assigned to the second and subsequent notes in a slur. But in 2.19.61, *if the voice in question is in a polyphonic passage*, they do, which is a regression: 2.18 handles thi

Re: Assertion !is_empty() failed - yet again

2019-10-30 Thread Aaron Hill
On 2019-10-30 2:24 am, Aaron Hill wrote: On 2019-10-30 2:05 am, Rutger Hofman wrote: Sincere request: can this assert please be removed? Its validity appears debatable, and it is a showstopper for me! If we agree that an empty interval does not have a well-defined center, then the assertion i

Re: Assertion !is_empty() failed - yet again

2019-10-30 Thread Aaron Hill
On 2019-10-30 2:05 am, Rutger Hofman wrote: Sincere request: can this assert please be removed? Its validity appears debatable, and it is a showstopper for me! If we agree that an empty interval does not have a well-defined center, then the assertion is quite valid. But the problematic inte

Re: Assertion !is_empty() failed - yet again

2019-10-30 Thread Rutger Hofman
I was also bitten by this assert, in a score with divisi staves that appear/disappear depending on the VerticalAxisGroup.remove-layer settings (see http://lilypond.org/doc/v2.19/input/regression/a6/lily-436997bb.ly) which makes it nigh impossible to create a minimal example. I wouldn't be surprised