Graham Percival wrote:
On 15-Mar-06, at 9:53 AM, Paul Scott wrote:
Graham Percival wrote:
This is exactly what the bar line check does! See 6.2.4 Bar check!
c'4 c c c | c c c c |
Certainly but I for one don't put | at the end of every bar. I
normally only use | when I have a problem.
Are there musical cases where you can have more beats in a bar than
the time signature indicates?
Cadenzas, I guess? \cadenzaOn
Since \cadenzaOn effectively changes the time signature I wouldn't
consider that an exception.
Other special cases can be done with \partial.
Which specifies the number of beats.
Benjamin Britten occasionally used double meters -- say, a piece that
changes between 3/4 and 2/4 on every single bar. These are notated
with a 3/4 2/4 at the beginning of the piece, but nothing in the rest
of the piece. We can do this in lilypond via other means.
I haven't done this yet but the number of beats per bar is still well
defined. Is this documented somewhere?
Other than those examples, I don't think there are any musical cases
where you can have more beats in the bar than the time signature
indicates.
So it could be reasonable to give an error when the number of beats/bar
is exceeded (when not in a cadenza). I would guess the present bar line
logic already presents the condition where the error message could be
added. I have generated many pages of music without this feature using
| when I need it but I can imagine it might help some users.
Thanks,
Paul
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