Re: instrument names in some contexts

[Mats Bengtsson]

Wilbert Berendsen wrote:
> Isn't it a good idea to add the instrument_name_engraver by default to the 
> ChoirStaff, GrandStaff and StaffGroup contexts?
>   
Sure! Why not go one step further and remove the PianoStaff context 
completely.
By now, the only difference compared to a GrandStaff is the 
Instrument_name_engraver
which exists in the PianoStaff context, but not in GrandStaff.

  /Mats