argument))
footnote =
-#(define-event-function (parser location text offset grob-name footnote)
+#(define-music-function (parser location text offset grob-name footnote)
((markup?) number-pair? (symbol? '()) markup?)
(_i "Attach @var{text} at @var{offset} with @var{text} referring to
@var{footnote}. If @var{text} is given as @code{\\default}, use