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Re: autochange with multiple voices

From: David Kastrup
Subject: Re: autochange with multiple voices
Date: Wed, 19 Aug 2015 00:56:36 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)

Thomas Morley <address@hidden> writes:

> 2015-08-18 22:32 GMT+02:00 Thomas Morley <address@hidden>:
>> This not entirely true.
>> It happens when the first note is the same as the turning point.

Yeah, I'd have expected that to be the significance of c.

> I tried to patch autochange.scm with:


> If I didn't overlook something, the autochange related regtests look
> ok. But I didn't do make check so far (it's late and it lasts too long
> on my not so powerful laptop)
> Though, I have the feeling it cures the symptom not the underlaying
> problem.

I think that my patch on issue 4569 likely cures the problem.  Curing
the symptom is likely achieved by starting with a context change
regardless of whether one is necessary.  No idea whether that's what
your patch would be doing.  I think that the _problem_ is completely
leaving the original context hierarchy (which almost magically is
avoided with other start notes by _starting_ with the first context
change which likely is performed by the autochange iterator _before_ any
simultaneous creation of contexts).

David Kastrup

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