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Regression?: Melismata disturb note head distances in 2.13.x
From: |
Alexander Kobel |
Subject: |
Regression?: Melismata disturb note head distances in 2.13.x |
Date: |
Wed, 16 Jun 2010 11:31:29 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100423 Lightning/1.0b1 Thunderbird/3.0.4 |
Hi, all,
I think I stumbled across a regression regarding note head distances
with melismata in 2.13.24, compared to 2.12.3, which is not yet in the
tracker. Anybody to confirm and/or add to the tracker? (PNGs attached,
the PDFs are too large for the -bug list. 64KB is darn small these days...)
A workaround can be seen in the snippet, but it requires quite a bit
more writing when you actually want to use the induced melismata by
manual beaming.
I also tried to find the exact commit causing the regression. Looks
like it's some commit for 2.13.5: hit
<http://lilypond.org/test/v2.13.5-0/compare-v2.13.3-9/index.html> and
scroll down for an output distance of 10.998043 for the regtest
lyric-ignore-melisma-alignment.ly, or 10.875328 for
lyrics-melisma-beam.ly. You can see there that the spacing between the
quavers gets uneven, probably caused by the "Whee!" syllable.
I looked at the git log (only commit descriptions, not the code, yet),
and could find that there were some changes to the automatic and manual
beam behaviour going on, mainly for the beam direction shortcuts in
manual beams. I'm not sure if this is the correct place to investigate
this, though, because spacing also changes with ties and manual
melismata, not just manual beams, as shown in the attached snippet.
On a side note, we seem to be short of a regtest for melismata where
syllables have a relevant length to check those issues. The additional
space in both snippets is visible, but not quite too present for a
regtest, and Ky -- ri -- e might not be the best text in
lyric-melisma-manual.ly.
Cheers,
Alexander
melismata.ly
Description: Text Data
melismata-2.12.3.png
Description: PNG image
melismata-2.13.24.png
Description: PNG image
- Regression?: Melismata disturb note head distances in 2.13.x,
Alexander Kobel <=