The following function has been written by David Kastrup few years ago but
it does not compile on lilypond 2.21
\version "2.21.0"
newFinger =
#(define-event-function (arg) (number-or-markup?)
#{ -\markup \underline \finger
#(if (number? arg) (number->string arg) arg)
#})
The error I get is the following:
error: GUILE signaled an error for the expression beginning here
#
(define-event-function (arg) (number-or-markup?)
Unbound variable: number-or-markup?
Unbound variable: number-or-markup?
How can I fix it?
Thank you, g.
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