In NR 3.1.3 Nesting music expressions
the following example is given for a temporary staff:
\new Staff {
\relative {
r4 g'8 g c4 c8 d |
e4 r8
<<
{ f8 c c }
\new Staff {
f8 f c
}
>>
r4 |
}
}
While this looks mostly right it is wrong because the temporary staff
isn't properly ended, which you can see if you add more music:
\new Staff {
\relative {
r4 g'8 g c4 c8 d |
e4 r8
<<
{ f8 c c }
\new Staff {
f8 f c
}
>>
r4 |
c1
}
}
If I'm not mistaken this temporary staff is only ended automatically if
the polyphonic section aligns with a barline:
\new Staff {
\relative {
r4 g'8 g c4 c8 d |
e4 r8
<<
{ f8 c c r4 }
\new Staff {
f8 f c s4
}
>>
c2
}
}
If this behaviour is considered a bug it should be addressed.
Otherwise the documentation should be changed:
a) the cheap solution would be to simply make the example work properly
by aligning it to a full measure
b) the proper solution would be to explain that when the polyphony
doesn't align with a bar the temporary staff has to be stopped
explicitly with \stopStaff.
The same is true for the second example in that section.
How should we proceed about this?
Urs
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