Alex Schreiber <alex4...@gmx.de> writes:
> A file with content
>
> {c''' #(set-octavation 1) c''' #(set-octavation 0) c'''}
>
> compiles just fine in lilypond 2.12.0, but not in lilypond 2.18.2. However,
>
> convert-ly --from=2.12.0 --to=2.18.2 file.ly
>
> does not change anything.
> It seems as if
>
> @rule ((2, 11, 55), "#(set-octavation oct) -> \\ottava #oct
>
> in python/convertrules.py does not contain the correct version number.
I see that
commit 589ba7953e92ad4ad793d89291b97d738614408e
Author: Reinhold Kainhofer <reinh...@kainhofer.com>
Date: Sat Jun 28 14:07:25 2008 +0200
New function: \ottava #oct, replaces #(set-octavation oct)
was introduced in 2.11.53, _including_ the convert-ly rule.
However,
commit d00ca5c25ad78a6de4ed5098673bb151707f28c1
Author: Neil Puttock <n.putt...@gmail.com>
Date: Mon Jul 26 23:01:34 2010 +0100
Fix #765: Display method for \ottava.
Since \ottava currently uses ApplyContext to set the relevant context
properties which trigger creation of an ottava bracket, the information
useful to its display method (i.e., the octavation) is inaccessible: the
only
music property which can be extracted is the argument to ApplyContext, its
procedure.
By wrapping the existing code which creates an ottava bracket
(make-ottava-set)
in a synthetic event, the octavation can be passed as a music property,
thus making
it accessible from a display method.
* input/regression/display-lily-tests.ly:
add test for \ottava
* ly/music-functions-init.ly (ottava):
create ottava bracket via synthetic OttavaMusic
* scm/define-music-display-methods.scm:
add display method for \ottava, which simply catches OttavaMusic and reads
'ottava-number
* scm/define-music-properties.scm (all-music-properties):
add 'ottava-number
* scm/define-music-types.scm:
copy make-ottava-set from scm/music-functions.scm
add OttavaMusic: uses a sequential iterator to call make-ottava-set via
its
elements-callback
* scm/music-functions.scm:
add ly:context-property as procedure-with-setter
remove make-ottava-set
removed set-octavation in version 2.13.29 . So set-octavation seems
more like a backward compatibility remnant than anything else in 2.12.0.
I don't see that we can do this significantly better than it is
currently done.
--
David Kastrup
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