Hello!
I've been in the process of switching over to LilyPond for the past several
months and have been really impressed so far by quality of the results, as
well as the huge amount of information available in the documentation and
list-serv archives. That this is the first time I haven't been able to
figure something out without posting here is amazing to me, so thank you
all for your work!
I'm experimenting with writing custom scheme engravers, for example to deal
with groups of staffs with complex rules about when each staff should be
visible or hidden.
I can't figure out how to define the properties that engravers pass on to
the contexts they "consist" (sorry if not using the right terminology).
For example, I want to define an engraver with property my-prop such that
\new Staff \with { \consists My_engraver }
allows me to \set Staff.my-prop to change the behavior of My_engraver.
All the source code I can find for engraver definitions is in C++, not
scheme, and the examples of scheme engravers I've found online don't seem
to include user-settable properties. Is it possible to accomplish this?
Thanks,
Max
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