Issue 694 in lilypond: Enhancement: better support for microtone accidentals

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Issue 694: Enhancement: better support for microtone accidentals
http://code.google.com/p/lilypond/issues/detail?id=694

New issue report by v.villenave:
This suggestion has been discussed several times on our lists, and many
ideas have been raised.  This is an attempt to gather some of these.

Two ideas prevail:

a- we should have support for smaller intervals than quarter-tones

b- the way microtone accidentals are printed should be more flexible.


a) Micro intervals

Many users have asked about thirdtones, sixthtones etc. accidentals.
Ideally, a special property could set the pitch as precisely as 1/100 or
1/180 of a tone.

Han-Wen, 2005:
"It shouldn't be hard to write music functions that puts the correct cents
setting into each NoteEvent, given a desired scale."
http://lists.gnu.org/archive/html/lilypond-user/2005-08/msg00142.html

Han-Wen, 2005:
"In my opinion, it would be best if Lily were extended with a generic
mechanism for entering and printing microtones, so we can support
arbitrary styles."
http://lists.gnu.org/archive/html/lilypond-devel/2005-10/msg00014.html



b) Look-and-feel of microtone accidentals

Many users have asked about different ways of printing such accidentals; a
request that is particularly popular is about arrowed accidentals.

Orm Finnendahl designed some glyphs:
http://lists.gnu.org/archive/html/lilypond-devel/2007-01/msg00478.html

Maximilian Albert made a first implementation draft:
http://lists.gnu.org/archive/html/lilypond-devel/2007-02/msg00028.html

... then a more elaborate one:
http://lists.gnu.org/archive/html/lilypond-devel/2007-10/msg00067.html

... then he announced a bunch of patches more recently:
http://lists.gnu.org/archive/html/lilypond-devel/2008-09/msg00158.html


Many (I mean *many*) people have expressed their interest in these
features, and some of them (to be found in the discussions above) have
stated they'd be ready to pay some fee to see them implemented.


Issue attributes:
        Status: Accepted
        Owner: v.villenave
        Labels: Type-Enhancement Priority-Medium Bounty

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