'duration duration
'text string))
-(define-safe-public (make-span-event type spandir)
+(define-safe-public (make-span-event type span-dir)
(make-music type
- 'span-direction spandir))
+ 'span-direction span-dir))
(define-public (set-mus-properties! m alist)
"Set all of ALIST as properties of M."