Extraneous bracket with TabStaff inside ChoirStaff
As reported by Richard Shann on lilypond-user, the output for the following code has an extra brace on the second TabStaff
.
\version "2.23.1"
music = { c''1 }
\new StaffGroup <<
\new TabStaff \music
\new Staff \music
>>
\new ChoirStaff <<
\new TabStaff \music
\new Staff \music
>>