Bug first appears in 2.19.46.
\version "2.19.46"
\score {
{ a'4 << \new Voice a'4 \new Voice f'4 >> a'2 }
\midi{}
}
generates
GNU LilyPond 2.19.46
Processing `tmp.ly'
Parsing...
Interpreting music...
MIDI output to `tmp.midi'...
programming error: asked to compute volume at +0.250000 for dynamic span
of duration 0.250000 starting at 1/4 continuing, cross fingers
programming error: asked to compute volume at +0.250000 for dynamic span
of duration 0.250000 starting at 1/4 continuing, cross fingers
Success: compilation successfully completed
--
Timothy Lanfear, Bristol, UK.
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