Re: quartertone accidentals

[Mats Bengtsson]

> Is there a way to use quartertone accidentals for typesetting Eastern
> music? I need key signatures with quartertones as well as single
> accidentals.
> The Persian 'sori' and 'koron' symbols look like  '>'  and 'p' ...

Unfortunately, this is not supported at the moment, but has
been on the TODO list for quite some time, see
http://appel.lilypond.org/wiki/?LilyPondTodo

It's not that difficult, though. Now, the pitches are handled
internally by integers counting semitones. To support quarter 
tones, we could simply change the internal representation by
a factor of two. It would probably involve quite many of the
source code files, though.

   /Mats