I'm trying, in a somewhat haphazard way, to learn some more Scheme, but
I'm clearly not reading the right stuff to solve the following problem.
Please can someone point me in the right direction.
I have the following function (hugely abbreviated here):
foo = #(define-music-function( P L arg1 arg2 arg3 ... )
(type1? type2? type3? ... )
#{
\mark \markup {
% bunch of stuff
}
#}
)
I would like to pass an argument, arg4 say, equal to "system" or
"staff".
\mark would be replaced by a parameter taking the values:
\mark if arg4 == "system", and
<>^ if arg4 == "staff"
Grateful for any light you can shed on this.
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