Am 12.03.2017 um 22:53 schrieb [email protected]:
You can't call music functions directly from Scheme code. You have to
either wrap the call in #{ #} or use `ly:music-function-extract` to
extract the procedure itself and call that.
In recent development versions, that’s obsolete. E.g.
{ #(bar "|.") }
and
{ ##{ \bar "|." #} }
are now completely equivalent.
Best, Simon
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