Am 09.11.2011 17:31, schrieb David Kastrup:
"Trevor Daniels"<t.dani...@treda.co.uk> writes:
David Kastrup wrote Wednesday, November 09, 2011 3:03 PM
The octave of notes may also be checked with the
`\octaveCheck CONTROLPITCH' command. `CONTROLPITCH' is specified in
absolute mode. This checks that the interval between the previous
note
and the `CONTROLPITCH' is within a fourth (i.e., the normal
calculation
of relative mode).
This is a popular misconception, but it is wrong, as
you can see by introducing various accidentals.
I was merely quoting the manual, so if you have something to complain,
do it there.
"within a fourth" is equivalent to a distance of "three staff spaces or
less". Lilypond doesn't take accidentals into account (which is of
course a good thing).
c fis is a fourth
c fis, is a fifth
ces fis is a fourth - so it will be the fis above the ces although it
sounds like a fifth.
So I think the quoted sentences are correct.
The "popular misconception" is that only an unaltered fourth counts as a
fourth.
You may think of suggesting a documentation enhancement to make this
more clear, but I don't really think it is necessary.
HTH
Urs
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