Re: Braces with TabStaff

[Richard Shann]

On Fri, 2021-02-12 at 15:37 +0100, David Kastrup wrote:
> Richard Shann <richard@rshann.plus.com> writes:
> 
> > When I try to create a ChoirStaff brace around two staves one of
> > which
> > is a TabStaff I get two braces:
> > 
> > 8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><
> > \version "2.20.0"
> > music = { c''1 }
> > 
> > \score { 
> >           <<
> >  \new ChoirStaff <<
> >                     \new TabStaff = "Part 1"  << 
> >                                  \music
> >                         >> 
> >                     \new Staff
> >                         << 
> >                            \new Voice { 
> >                                         \music
> >                                       } 
> >                         >> 
> >                  >>
> >           >>
> >        }
> > 8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><8><
> > 
> > If I replace TabStaff with Staff in the above, all is well.
> > Can anyone shed light on this?
> 
> You'll find that this only happens for guitar tablature, not bass
> guitar
> tablature.  Whether a brace is placed or not depends on the height of
> the system/group.
> 
> Try
> 
> \version "2.20.0"
> music = { c''1 }
> 
> \score { 
>           <<
>  \new ChoirStaff \with { \override SystemStartBracket.collapse-height 
> = 8 } <<
>                     \new TabStaff = "Part 1"  << 
>                                  \music
>                         >> 
>                     \new Staff
>                         << 
>                            \new Voice { 
>                                         \music
>                                       } 
>                         >> 
>                  >>
>           >>
>        }
> 
> instead.  Yes, this is somewhat insane.

Thank you. I'll try and get the time to see if I can safely emit this
override every time Denemo is creating a ChoirStaff.

Richard Shann