Re: grace notes cause extra bar to contain them

[Daniel Hulme]

On Sat, Jan 31, 2009 at 04:26:25PM +0000, Rob Canning wrote:
> hi,
> not sure whats going on here...
> if i isolate and render only one of the two staves then everything is  
> fine but if i parse the .ly that contains two staves an extra bar gets  
> created that contains the grace notes.
It's not the grace notes that are causing the extra bar, it's the fact
you have manual barlines in different places in each voice. If you
comment out all the \bar "dashed" from your voiceF the superfluous
barlines will disappear.

> any ideas why this is happening?
Although grace notes don't take up the 'regular' time of the bar, they
need to take up special 'grace time' so they can be correctly beamed and
spaced within each group of grace notes. This means that the \bar in
voiceE, which is after the grace notes, is at a different time to the
corresponding \bar in voiceF, which is before the grace notes.

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