Re: Issue 1565 in lilypond: Changing staff with manual beaming can give very long stems

[Trevor Daniels]

Here's a somewhat reduced example that still shows the problem.
Stems down, the accidental and the manual beam are essential.

{
 \new PianoStaff <<
   \new Staff = "PianoRH1" {
     \repeat unfold 19 { b'1 }
   }
   \new Staff = "PianoLH" {
     \clef "bass"
     \repeat unfold 4 { d1 }
     a,2 \stemDown d8 [ f8 aes8
     \change Staff = "PianoRH1"  d'8 ]
     \change Staff = "PianoLH"
     \repeat unfold 14 { d1 }
   }
 >>
}

Trevor

----- Original Message ----- 
From: <address@hidden>
To: <address@hidden>
Sent: Tuesday, March 15, 2011 10:59 AM
Subject: Issue 1565 in lilypond: Changing staff with manual beaming 
can give very long stems


> Status: Accepted
> Owner: ----
> Labels: Type-Defect Priority-Critical Regression
>
> New issue 1565 by address@hidden: Changing staff with 
> manual  beaming can give very long stems
> http://code.google.com/p/lilypond/issues/detail?id=1565
>
> In the code below, the music in the left hand changes from the 
> bass clef  line to the treble clef line.  The quavers are manually 
> beamed.  There is a  key sign with 6 sharps and the notes have 
> naturals.  In this case, the  beamed stems stretch to below the 
> system under their proper system (In my  real example, they 
> actually go even further, to the top of the system below  that). 
> This does not happen in 2.12.3 and was introduced between 2.13.51 
> and 2.13.52.
>
> {
>   <<
>     \new PianoStaff
>     <<
>       \new Staff = "PianoRH1"
>       <<
>         {
>           \key fis\major
>           \time 4/4
>           \repeat unfold 4 { b'1 }
>           ais'2 \voiceOne  fis'8 (  [  a8 dis'8 fis'8 )  ] 
> \oneVoice
>           \repeat unfold 14 { b'1 }
>         }
>       >>
>       \new Staff = "PianoLH"
>       <<
>         {
>           \clef "bass"
>           \key fis\major
>           \time 4/4
>           \repeat unfold 4 { dis1 }
>           a,2 \voiceFour  d8 (  [  fis8 a8 \change Staff = 
> "PianoRH1"  d'8  )  ]  \change Staff = "PianoLH"  \oneVoice
>           \repeat unfold 14 { dis1 }
>         }
>       >>
>     >>
>   >>
> }
>
>
> Attachments:
> LongStems2.13.52.png  17.9 KB
> LongStems2.12.3.png  18.1 KB
>
>
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