Re: status of spanner IDs across voices?

[Werner LEMBERG]

>> 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.


    Werner