Re: Beaming override problem

[David Kastrup]

Colin Hall <address@hidden> writes:

> On Mon, Jun 25, 2012 at 12:38:34AM +0200, David Kastrup wrote:
>> Nick Payne <address@hidden> writes:
>> 
>> > If I set beamExceptions to beam 32nd notes by fours in 4/4 time, this
>> > has the side effect of changing the beaming of 8th notes:
>> >
>> > %=====================
>> > \version "2.15.40"
>> >
>> > changeBeaming = \set beamExceptions =
>> >     #'((end . (((1 . 32) . (4 4 4 4 4 4 4 4)))))
>> >
>> > \relative c'' {
>> >     c8 c c c c c c c
>> >     \repeat unfold 32 { c32 }
>> > }
>> > \relative c'' {
>> >     \changeBeaming
>> >     c8 c c c c c c c
>> >     \repeat unfold 32 { c32 }
>> > }
>> > %=====================
>
> Thanks for the report, Nick.
>
> I just checked the docs, Nick, and I agree with you that:
>
> "Beaming-rules is a scheme alist (or list of pairs) that indicates the
> beam type and the grouping to be applied to beams containing notes
> with a shortest duration of that beam type."
>
> would lead me to expect that an exception that only mentions 32nds
> would only apply to 32nds.

It does.  But if he _replaces_ the existing list, previously entered
exceptions are cleared out.

-- 
David Kastrup