jca...@web.de writes:
> Good day,
>
> following snippet I need very frequently (with different notes instead
> of c4 and e4):
>
> \afterGrace c4 \glissando {\once \hide Stem \parenthesize e4}
>
>
> That's why I wanted to create a music function to shorten the
> expression. My previous attempt:
>
> graceGliss =
> #(define-music-function
> (starttone endtone)
> (ly:music? ly:music?)
> #{
> \afterGrace #starttone \glissando {\once \hide Stem
> \parenthesize #endtone}
> #})
>
>
> doesn't work, Return Code 1.
>
> In order to test the general functioning of define-music-function, I tried:
>
> graceGliss =
> #(define-music-function
> (starttone endtone)
> (ly:music? ly:music?)
> #{
> \afterGrace #starttone #endtone
> #})
>
>
> which works, what leads me to believe that the error must have something
> to do with the curly brackets {} …
>
>
> For some help I'd be very grateful!
Kind of stupid, but Scheme syntax is very simplistic (almost anything
except for parentheses needs to be space-separated) and your problem
here is that # goes into Scheme.
So you call upon one Scheme variable endtone} which does not exist. Put
a space before the closing brace.
--
David Kastrup
