On Fri, Mar 29, 2024 at 1:25 PM Stephan Schöll <mu...@gmx.ch> wrote:
> Hi all > > I'm adding an ossia staff during specific bars only. This works fine in > general. > > Interestingly / strangely, as soon as the \section (double barline) > falls into a \grace (or \appoggiatura or \acciaccatura) in the ossia > staff a regular barline is added at the position where I'd expect the > double barline to appear. Without either \section or \grace, everything > looks fine. > > Toggle the comment marks in order to reproduce. The issue is not related > to the ossia Staff type (DrumStaff). It occurs with regular Staves as well. > This looks like a very old bug that LilyPond has. Basically, if you have a grace note starting a measure in one staff, you have to have one on all staves, even if it's just a spacer. So adding this to the melody will fix the problem: melody = \relative c' { c1 \section % play with (un)commenting \grace { s8 } R1 c } -- Knute Snortum