Re: align-on-syllable.ly and 2.19.36

[Thomas Morley]

2016-03-01 0:11 GMT+01:00 Thomas Morley <address@hidden>:
> 2016-02-29 5:42 GMT+01:00 David Wright <address@hidden>:
>> Hi, I think I've got the latest version of align-on-syllable.ly
>> (3049 Dec  4 02:21) from variously
>>
>> https://lists.gnu.org/archive/html/lilypond-user/2015-12/msg00124.html
>> http://comments.gmane.org/gmane.comp.gnu.lilypond.general/107425
>> http://lsr.di.unimi.it/LSR/Snippet?id=888
>>
>> and it works great in 2.18.2. However, I'm having problems using it in
>> 2.19.36. I added the following LP code involving NullVoice to the test
>> case, which breaks it.
>>
>> I don't know if it's the fault of NullVoice or align-on-syllable.ly.
>> NullVoice is rather delicate; for example, it doesn't play well with
>> \addlyrics for no reason obvious to me.
>>
>> \score {
>>   \new Staff <<
>>     \new NullVoice = "nullvoice" \melody
>>     \new Voice = "voice" \melody
>>     \new Lyrics = "testI"
>>       \with { \override LyricText.X-offset = #center-on-word }
>>       \lyricsto "nullvoice" \lyr
>>     \new Lyrics = "testII"
>>       \with { \override LyricText.X-offset = #center-on-word }
>>       \lyricsto "nullvoice" \lyrA
>>     %% The control-voice omits the override
>>     \new Lyrics = "control"
>>       \lyricsto "nullvoice" \lyrControl
>>   >>
>>   \layout {
>>     \context {
>>       \Score
>>       lyricMelismaAlignment = #-0.6
>>     }
>>   }
>> }
>>
>> Cheers,
>> David.
>>
>> _______________________________________________
>> lilypond-user mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/lilypond-user
>>
> Hi David,
>
> the problem:
> in 2.18. the grob-parent of LyricText was NoteHead for both Voice and 
> NullVoice.
>
> In 2.19.37 it's NoteColumn in Voice and PaperColumn in NullVoice.
> More, 2.19.37 returns for the LSR-code:
should read:
2.19.37 returns for the LSR-code with added NullVoice:

> programming error: cyclic dependency: calculation-in-progress
> encountered for #'X-extent (PaperColumn)
> (with a buid from master with --enable-checking)
>
> Right now I'm not sure how to deal with it (and when I'll have the
> time to take a deeper look)
>
>
> So far, cheers,
>   Harm