Re: BUG? VerticalAxisGroup #'next-staff-spacing and \RemoveEmptyStaffContext

[Joe Neeman]

On Mon, 2010-06-07 at 20:41 +0700, Joe Neeman wrote:
> On Sat, 2010-06-05 at 16:54 +0200, Xavier Scheuer wrote:
> > Hi Joe!
> > 
> > We have had a discussion on the LilyPond French Users mailing lists
> > about the new vertical spacing system.[1]
> > Thanks again for this powerful system.
> > 
> > Jean-François was using
> >   \override VerticalAxisGroup #'next-staff-spacing
> > in the last Staff of a "group" to define a bigger space between, for
> > example, two groups (woodwinds and brass instruments).
> > But this bigger space disappears (in the same time as the Staff) when
> > this Staff is empty and we use \RemoveEmptyStaffContext .
> > 
> > I advised him to use
> >   \override StaffGrouper #'after-last-staff-spacing
> > instead, thinking that would solve the problem, since I thought
> > StaffGrouper would check _at each moment_ which Staff is *effectively* the
> > last one.
> > 
> > But apparently I was wrong, it seems that StaffGrouper determines which
> > Staff is the last of the "group" _at the beginning_ and then assume
> > this Staff will always stay the last one of the group
> 
> This is indeed a bug; I'll take a look.

This is fixed now in git. Thanks for the report.

Joe