Re: Issue 984 in lilypond: Noteheads don't merge when one of the voices contains a second

[lilypond]

Comment #17 on issue 984 by address@hidden: Noteheads don't merge when  
one of the voices contains a second
http://code.google.com/p/lilypond/issues/detail?id=984

True, that the simple patch does not discover that it can merge stopped  
harmonics; we still need an override if we want to merge them.  It handles  
the trivial cases better overall, though.

\version "2.13.32"
\relative f << {\textLengthOn
    <d' a' b d>4 q q q | <d a' b d> <d a'b> <a' b>
    \once\override NoteColumn #'force-hshift = #0
    <a b>^\markup\tiny"override" | <d, a'\harmonic>
    \once\override NoteColumn #'force-hshift = #0
    <d a'\harmonic>^\markup\tiny"override" <d a'\harmonic> <d a'>
  } \\ {
    <d a' c d> <d f a d> <f f'> <a d> | <d, g a d> <d g a> <a' b>
    \once\override NoteColumn #'force-hshift = #0.95
    <a b> | <d, a'\harmonic>
    \once\override NoteColumn #'force-hshift = #0
    <d a'\harmonic> <d a'> <d a'\harmonic>
  } >>

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