;;;
;;; x
;;;
+ (X-align-on-main-noteheads ,boolean? "If true, this grob will
+ignore suspended noteheads when aligning itself on NoteColumn.")
(X-extent ,number-pair? "Extent (size) in the X@tie{}direction,
measured in staff-space units, relative to object's reference point.")
(X-offset ,number? "The horizontal amount that this object is