On Tue, Jun 16, 2015 at 5:30 PM, Thomas Morley <thomasmorle...@gmail.com> wrote:
> 2015-06-17 0:12 GMT+02:00 Steven Weber <pant...@hotmail.com>: > > Is there any way to guarantee that the order of items processed through > > after-line-breaking is the exact order they are in the score? I’m doing > > some fun things with bar lines, and I’m having issues because my scheme > code > > isn’t getting them in the order I expect. In the attached file, for > > example, I expected that I would get the bar lines in order: start > repeat, > > end repeat, start repeat, end repeat, final bar line. Instead, I get > start > > repeat, end repeat, end repeat, start repeat, final. If you comment out > the > > break on line 40, it gets even odder: start repeat, end repeat, final > bar > > line, start repeat, end repeat. > > > > > > > > I’ve tried with both 2.18.2 and 2.19.21 and get the same behavior, so > this > > isn’t a regression – maybe I’m just not understanding how > > after-line-breaking works? > > > > Perhaps this is an issue with Windows systems. Using Windows 7 64-bit with 2.19.21, I get (with an added location to clarify the out-of-orderness): Unbroken bar line: .|:(2 . #<Mom 0>) Unbroken bar line: :|.(3 . #<Mom 0>) Left-broken bar line: :|.(5 . #<Mom 0>) Unbroken bar line: .|:(4 . #<Mom 0>) Left-broken bar line: |.(6 . #<Mom 0>) and (no break): Unbroken bar line: .|:(2 . #<Mom 0>) Unbroken bar line: :|.(3 . #<Mom 0>) Unbroken bar line: .|:(4 . #<Mom 0>) Left-broken bar line: |.(6 . #<Mom 0>) Unbroken bar line: :|.(5 . #<Mom 0>) You might consider collecting the barlines using a Scheme engraver. I couldn't say whether you'd be able to manipulate them, though. David
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