4 texidoc = "Own markup commands may be defined by using the
5 @code{define-markup-command} scheme macro."
11 \layout { ragged-right = ##t }
17 #(define-markup-command (upcase paper props str) (string?)
18 "Upcase the string characters. Syntax: \\upcase #\"string\""
19 (interpret-markup paper props (make-simple-markup (string-upcase str))))
23 c''-\markup \upcase #"hello world"
24 % produces a "HELLO WORLD" markup