Updates:
Summary: Hiding a note hides a beam that should not be hiddenComment #1 on issue 2866 by [email protected]: Hiding a note hides a beam that should not be hidden
http://code.google.com/p/lilypond/issues/detail?id=2866 Workaround: manual beams \relative c' { r8 \hideNotes f8 \unHideNotes e8.[ e16] e2 }We came across this in issue 1566, but forgot to make a new bug report at the time.
