Re: Disappearing barlines with skipBars

On Tue, Mar 24, 2015 at 9:44 AM, Kevin Barry [via Lilypond] <[hidden email]> wrote:

On Tue, Mar 24, 2015 at 2:38 PM, Mark Knoop <[hidden email]> wrote:
{ \time 2/4 c'4 c'1 c'4 } % 3 bars, 2nd of which is empty

{ \time 2/4 c'4 c'2 c'4 } % 2 bars, neither of which is empty

At best I would consider these to be non-standard notation. At worst I'd say it's incorrect. It's possible to write a note value longer than a bar, but I don't think there is an accepted standard for notating that, except for connecting smaller note values with ties. And as I said before I have never seen it in a score (do you have any examples?).

skipBars is introduced in the Learning Manual (3.4.5 Scores and parts)
as a way of condensing multi-measure rests. Its only references in the
Manuals are regarding this function. I suspect its impact on notes
crossing barlines is either unintended or at least not thought through

It's just used there as an example of a context property. I agree that its behaviour for notes rather than rests might not be thought through (but it /is/ mentioned in the IR so it may not be unintended). Normally full-bar rests are condensed with \compressFullBarRests (which probably just sets skipBars to #t, but I didn't check).

I can't imagine a situation where the current behaviour would be
desirable (silently hiding a barline thus changing the length of a bar)
and it would certainly seem to be a very different use case than
condensing multi-measure rests.

I think the default behaviour (without touching skipBars) is ok, and agree that there's no apparent need for it to affect notes (the possible scenario with long notes and short empty bars seems implausible). So perhaps skipBars could be changed to only affect rests, or at the very least a different context property could be used as an example in the learning manual (or both).

I verified that \compressFullBarRests does indeed affect notes as well, so if you want to file a bug report then perhaps proceed on that basis.

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From:	tisimst
Subject:	Re: Disappearing barlines with skipBars - possible bug?
Date:	Tue, 24 Mar 2015 09:00:36 -0700 (MST)

Re: Disappearing barlines with skipBars - possible bug?