On Monday 06 November 2006 12:59, Mats Bengtsson wrote:
> Erik Sandberg wrote:
> > On Monday 06 November 2006 09:25, Mats Bengtsson wrote:
> >
> > Mats, do you think it would be useful with an operator \newClone to clone
> > the current context? E.g.
> > \new Staff \with {\consists Foo_engraver bar=#'baz}
> > { c d \tiny e f \newClone Staff { g f e d} c d e }
> > would be equivalent to:
> > \new Staff \with {\consists Foo_engraver bar=#'baz}
> > { c d \tiny e f \new Staff \with {\consists Foo_engraver bar=#'baz} {
> > \tiny g f e d} c d e }
> >
> > (I think such operator can come out as a side-effect of some work I'm
> > doing)
>
> Would it even make sense to make this the default behaviour of \new?
> At least, it would probably cause less surprise to a newbie than the
> current implementation, in examples like:
> \relative c'{ \tiny c d <<{e d} \\ {c b}>> }
You have a point here. Perhaps we could have a context property
cloneNewContexts, defaulted to #t for voices, which makes sure that contexts
creations in the current context clone the current context, if the context
types match. (so below, the context hierarchy would be Global-Score-Lyrics
where the inner Voice is created, hence no settings would be inherited; this
also means that the inner \new Voice should create a new staff implicitly).
I think the difficult thing is that the syntactical hierarchy of our input
language doesn't match the hierarchy of contexts.
> On the other hand, it would probably make it less obvious for the advanced
> user to predict exactly what LilyPond does, for example in situations like
>
> \relative c' \new Voice{
> c d e f
> <<
> c1
> \new Lyrics \lyricmode {
> Some4 text
> << \new Voice \notemode { c d e2 }
> {some more text }
>
> }
>
> }
> where it's not obvious if the inner Voice context would inherit anything
> from the outer one (maybe this is already crystal clear to you).
--
Erik
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