(control-points ,list? "List of offsets (number pairs) that form
control points for the tie, slur, or bracket shape. For B@'eziers,
this should list the control points of a third-order B@'ezier curve.")
+ (count-from ,integer? "The first measure in a measure count
+receives this number. The following measures are numbered in
+increments from this initial value.")
;;
;; d