Hi,
the following code returns missing Stems.
(A larger example would show not only missing but also all sorts of weird Stems.
see:
http://lists.gnu.org/archive/html/lilypond-user/2013-06/msg00334.html
)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\version "2.17.20"
\paper {
%indent = 0
ragged-right = ##t
}
\layout {
\override Beam #'breakable = ##t
\override Beam #'positions = #beam::align-with-broken-parts
%\override Beam.positions = #beam::slope-like-broken-parts
}
\relative c' {
c2.. c''8[ \break
a,] r c2.
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
The terminal returns:
warning: weird stem size, check for narrow beams
c2..
c''8[ \break
warning: Not drawing a box with negative dimension, 0.13 by -0.24.
Some observations:
1)
The bug is triggered if only _one_ beamed Stem is present before line-break.
Two or more beamed Stems make the bug disappear:
\relative c' {
c2. c''8[ c \break
a,] r c2.
}
works always nice.
2)
The relevant regtest beam-broken-classic.ly doesn't test this case
(i.e. only one beamed Stem before line-break)
3)
When uncommenting `indent = 0' no warning is printed to the terminal,
though the printed output is still worse.
4)
With \override Beam.positions = #beam::slope-like-broken-parts no
terminal-output appears, though the pdf is bad, too.
5)
The bug is present in 2.16.2, too.
Cheers,
Harm
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