[EMAIL PROTECTED] writes:
> Han-Wen Nienhuys wrote:
>
> > It's because of the internals. Things would get a lot easier, if the
> > paper and midi block were separated, so we could apply different music
> > functions for these situations, i.e.
> >
> > \midi {
> > \notes { .. }
> >
> > }
> >
> > \paper {
> > \notes { ... }
> > }
>
> Yes, but what I don't understand is, that afaiu the music IS interpreted
> twice - once for the paper and once for the midi - so I cannot see why
> we cannot apply different functions nevertheless...???
> I.e. in the unfold-function add a check so that the function does
> nothing if the music is interpreted by a engraver (instead of a performer).
The functions are applied before the engravers/performers start doing
their jobs. Secondly, no conventions exist that dictate whether
functions may change their arguments. Meaning that
\score { \apply #unfold .. \midi {}
\score { .. \paper {}
might give different results from
\score { .. \paper {}
\score { \apply #unfold .. \midi {}
If this stuff works automatically, we should be much more strict on
what such an unfold function can and cannot do.
--
Han-Wen Nienhuys | [EMAIL PROTECTED] | http://www.cs.uu.nl/~hanwen/
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