(add-new-clef "moderntab" "markup.moderntab" 0 0 0)
;; define sans serif-style tab-Clefs as a markup:
-(define-builtin-markup-command (customTabClef
+(define-markup-command (customTabClef
layout props num-strings staff-space)
(integer? number?)
- music
- ()
+ #:category music
"Draw a tab clef sans-serif style."
(define (square x) (* x x))
(let* ((scale-factor (/ staff-space 1.5))