Re: Wrong type in part-combiner.scm

[Dan Eble]

On Oct 5, 2020, at 18:58, Dan Eble <dan@faithful.be> wrote:
> 
> After some investigation, I'd like to ask the other contributors some 
> questions because I don't see very strong reasons to go one way or the other.
> 
> A. Should context-specific music with no music inside it create the context 
> or not?  Right now, it doesn't.  I'm slightly in favor of changing it because 
> it would allow reverting David's recent fix and one of my earlier ones and it 
> seems that it might raise fewer questions; however, changing this would have 
> some consequences (item B and perhaps others).
> 
> B. Which conditions should trigger the "no music found in score" warning?  
> Are the cases in input/regression/no-music.ly working as desired?  Would it 
> be a bad change if \new Voice {} were considered music?  If that were a 
> problem, maybe we could broaden the test to warn about music with no duration 
> (grace or main).
> 
> Your thoughts?

New discovery in master:

  \new Voice {}       %% warning
  { \new Voice {} }   %% no warning

This gives me something to feel more strongly about: an inconsistency.  I'll 
see where it leads.  (You're still welcome to provide feedback.)
— 
Dan