Could we add to the doc, section 12.1.2 an example of an even easier
substitution function with no argument.
displayBarNum = #(define-music-function (parser location) ()
#{
\once \override Score.BarNumber #'break-visibility = ##f
#})
Since I took me 15 min to understand how to derive it from the
previous example with one argument.
padText = #(define-music-function (parser location padding) (number?)
#{
\once \override TextScript #'padding = #$padding
#})
I hope the syntax is not too bad (the result is correct though)
If I'm wrong or if there is easier way to do this "pure text"
substitution, please correct me
Yota
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