Documentation request

[Phil Holmes]

The NR, 1.2.6 Special rhythmic concerns, Grace notes, says:

"A \grace music expression will introduce special typesetting settings, for 
example, to produce smaller type, and set directions. Hence, when 
introducing layout tweaks to override the special settings, they should be 
placed inside the grace expression."

I was setting some Gondoliers music today, and this bit me.  Grace notes 
also change the way voices are laid out, with the result that, where I 
wanted voiceOne to point up and voiceTwo to point down, the opposite 
happened with the result of some pretty much overlapping stems.  I was 
wondering whether it should be reported as a bug when I looked for and found 
http://code.google.com/p/lilypond/issues/detail?id=667 - "\voiceOne 
malfunction when used immediately before \grace".  This has the workaround 
"If there is any note/rest between voiceOne and the grace command, 
everything works:"

This works sensationally as a workaround: see the attached image generated 
from the code below.  Could I request we add this to the NR?


\new PianoStaff <<
 \new Staff = "Piano"
 <<
   \new Voice = "Upper" {
       r8  r8  \voiceOne  \acciaccatura {  f''8 }  e''8 r8  \acciaccatura 
{  f''8 }  e''8 r8  \acciaccatura {  f''8 }  e''8 \oneVoice  r8   |
       r8  \voiceOne  r8  \acciaccatura {  f''8 }  e''8 r8  \acciaccatura 
{  f''8 }  e''8 r8  \acciaccatura {  f''8 }  e''8 r8  \oneVoice
   }
   \new Voice = "Lower" {
     s8  s8  \voiceTwo  \acciaccatura {  f'8 }  e'8 r8  \acciaccatura { 
f'8 }  e'8 r8  \acciaccatura {  f'8 }  e'8 \oneVoice  s8   |
     s8  \voiceTwo  r8  \acciaccatura {  f'8 }  e'8 r8  \acciaccatura { 
f'8 }  e'8 r8  \acciaccatura {  f'8 }  e'8 r8  \oneVoice
   }
 >>
> >


--
Phil Holmes
Bug Squad

VoiceConfusion.png
Description: PNG image