Re: Marking cross-staff unisons

[Robin Bannister]

Neil Puttock wrote: 
> \override ChoirStaff.Arpeggio #'stencil = #ly:arpeggio::brew-chord-bracket

I wanted to do pretty much the same last week 
and ran into a familiar bug which I haven't reported yet. 

To get the closing bracket right (sic), try 

>    \context { \ChoirStaff 
>      \consists "Span_arpeggio_engraver" 
>      \override Arpeggio #'stencil = #(lambda (grob)
>      (ly:stencil-rotate (ly:arpeggio::brew-chord-bracket grob)
>      (if (eq? LEFT (ly:grob-property grob 'direction LEFT)) 0 180) 0 0))
>    }

Cheers,
Robin