Re: status of spanner IDs across voices?

[David Kastrup]

Werner LEMBERG <address@hidden> writes:

>>> I would like to notate
>>>
>>>   << { c'2( e'2) } \\
>>>      { s2   c'2  } >>
>>>
>>> as
>>>
>>>   c'2\=1( << { e'2\=1) } \\
>>>              { c'2     } >>
>>>
>>> but this currently doesn't work (I'm using 2.19.46).  It would be
>>> great if I'm missing something and it actually *does* work somehow!
>>
>> \layout {
>>   \context {
>>     \Voice
>>     \remove "Slur_engraver"
>>   }
>>   \context {
>>     \Staff
>>     \consists "Slur_engraver"
>>   }
>> }
>>
>> is of course the simplest way.
>
> Thanks for the hint.  This works, sort-of, but it isn't a practical
> solution for complicated piano music, unfortunately.  In particular,
> lilypond no longer knows where to start or end a slur vertically,
> sometimes assigning it to the wrong voice in parallel music.

You won't get anything better than "starts at right note column" from
cross-voice spanners either.  Anchor to individual notes (inside of
chords) if you want that.

-- 
David Kastrup