Re: Problems with \inversion

[Trevor Daniels]

Colin Hall wrote Tuesday, June 19, 2012 1:12 AM
 
> It looks like the behaviour has been explained by David Kastrup here:
> 
> http://lists.gnu.org/archive/html/lilypond-user/2012-06/msg00380.html
> 
> So, no bug in Lilypond to report then.

Correct.
 
> If either of you, Alexandre or Trevor, would care to create a documentation 
> suggestion we'll create a tracker for it.

OK.  There are two points here.  The first is that it is not
immediately obvious that the inversion takes place around
from-pitch, and the result is then transposed by the interval
between from-pitch and to-pitch.  So simply change the
second sentence to "... first inverted interval by interval about
from-pitch and then ..."

The second point is to insert a warning that the inversion of a music
expression in absolute notation should not later be relativised.
Maybe say, "The source and inverted music expressions should
both be in absolute notation or both in relative notation."  This
is not entirely the whole story, but anything more accurate gets
very convoluted - unless anyone has a better suggestion.

Trevor