%%% BEGIN LILYPOND CODE %%%
\version "2.8.0"
\paper {
indent = 0\in
raggedright = ##t
}
theNotes = \relative c' {
f8[ g f e] c[ d] aes8[ b] | g'8([ aeh g fis]) c8([ d c b])
}
\score {
\new Voice = theVoice { \theNotes }
\layout {
\context {
\Staff
\override VerticalAxisGroup #'minimum-Y-extent = ##f
\override VerticalAxisGroup #'Y-extent = #'(-3.5 . 4)
}
}
}
%%% END LILYPOND CODE %%%
This results in incorrect beamed stem-lengths as seen the attached
image. If you comment out the Y-extent override, the problem goes
away. If you comment out only the minimum-Y-extent, the output changes
slightly but the problem remains. This has been confirmed in 2.8.1 and
2.9.2.
I use the Y-extent hardcode to establish staff distances for SATB music
with lyrics. I suppose I could look at the PianoStaff code and see how
it establishes a fixed distance between the staves in a system, but that
will mean lots of manual editing. My other alternative is to revert to
one of the later 2.7 versions.
--Daniel

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