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Re: [Lilypond-auto] Issue 4127 in lilypond: Patch: Let \time in mid-meas


From: lilypond
Subject: Re: [Lilypond-auto] Issue 4127 in lilypond: Patch: Let \time in mid-measure work without warning in some cases
Date: Mon, 29 Sep 2014 03:19:32 +0000


Comment #16 on issue 4127 by address@hidden: Patch: Let \time in mid-measure work without warning in some cases
https://code.google.com/p/lilypond/issues/detail?id=4127

The texidoc in skiptypesetting-multimeasurerest says, "no segfault occurs", so it sounds like a pass to me. :)

I investigated it anyway, and for some reason, when Score.skipTypesetting = ##t, Time_signature_engraver::process_music() is first called with measurePosition = 0.25 rather than 0, and the new warning about \time is working as designed. Should I mention this problem with skipTypesetting in <https://code.google.com/p/lilypond/issues/detail?id=1543>? Does it merit its own ticket?

Investigating midi-unisons, I have learned that Time_signature_engraver::process_music() does not need a \time in the input to create a time signature. I just looks for changes in timeSignatureFraction, and apparently one is happening at measurePosition = 0.5 for this input. That's all I know so far, but I'm calling it a night.

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