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[Lilypond-auto] Issue 3640 in lilypond: Accidentals don't reset after ex
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lilypond |
Subject: |
[Lilypond-auto] Issue 3640 in lilypond: Accidentals don't reset after explicit barlines |
Date: |
Thu, 31 Oct 2013 09:51:42 +0000 |
Status: Accepted
Owner: ----
Labels: Type-Enhancement
New issue 3640 by address@hidden: Accidentals don't reset after explicit
barlines
http://code.google.com/p/lilypond/issues/detail?id=3640
This was originally part of issue 2379. I am cutting and pasting two
reports. The first is about accidentals not resetting at an explicit bar
created at \cadenzaOff, the second is about accidentals not resetting at an
explicit bar created inside of unmetered music entered via \cadenzaOn/Off.
However, both reports actually can be considered only loosely related to
cadenze as explicitly generated bars will generally be considered an
accidental boundary (excepting, of course, \bar "" used for allowing
breakpoints).
I am marking this issue as "Enhancement": the behavior is definitely a
nuisance, but I don't think that we have any different expectations
documented somewhere.
I append the original reports:
David Bobroff restated the problem in a post here:
http://lists.gnu.org/archive/html/bug-lilypond/2012-03/msg00238.html
Text of original post follows:
I'm re-framing my query regarding accidental behavior following
\cadenzaOff. After some discussion about this on bug- it is quite clear
that '\cadenzaOff' *only* affects counting/timing and '\bar' *only* paints
a graphic of a bar line. Currently, if an accidental appears in the cadenza
it will be visibly canceled if the key signature value of the note is used
in the next "measure" even if '\cadenzaOff \bar "|."' is present. Musically
this should not happen. Since a bar line has gone by the key signature is
back in force.
This post in on -user to see if anyone has a solution; how do I suppress
the accidental cancellation in the following example?
I've posted this to bug- to suggest that LilyPond should probably
understand this.
Example:
%%%
\version "2.14.2"
\relative c'
{
\key c \major
\time 2/4
c2 ~
\cadenzaOn
c4 \teeny d8-[ es f g-] \normalsize a4-\fermata
\cadenzaOff
\bar "|"
e2 % how to suppress accidental cancellation here?
}
%%%
-David
Nathan Williams reported surprising behaviour:
http://lists.gnu.org/archive/html/bug-lilypond/2012-05/msg00060.html
Original post follows:
When using a cadenza across several measures (for engraving unmetered
Russian
liturgical music), accidentals are displayed only the first time they occur.
I.e.:
\cadenzaOn
d4 e f2( d8[ e] f4) f f4 f( e2 f4) d1
\bar "|"
e4 e e f( e) d cs d1
\bar "|"
f2 ( d8[ e] f4) f f4 f( e2) f4 d1
\bar "|"
e4 e e f( e d) cs d1
\bar "|"
f2 ( d8[ e] f4) f f( e2 f4 d2 f4 e d cs d) e d1
\bar "|"
e4 e e e f( e) d cs8([ d] e4 d cs) d1
\bar "||"
\cadenzaOff
C sharp, which occurs in lines 2, 4, 5, and 6, is only displayed the first
time
it occurs, in line 2.
Since using \cadenzaOn and \cadenzaOff is a recommended solution for
engraving
unmetered music (see
http://lilypond.org/doc/v2.12/Documentation/user/lilypond/Working-with-ancient-music_002d_002dscenarios-and-solutions),
it would be great if the issue were corrected, or else a workaround
provided and
the issue inserted on the above page in the "known issues and warnings"
section.
Thank you!
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