(barNumberVisibility ,procedure? "Procedure that takes an int and
returns whether the corresponding bar number should be printed")
+ (bassStaffProperties list? "Alist of property settings to apply
+for the down staff of PianoStaff. Used by @code{\\autochange}")
+ (trebleStaffProperties list? "Alist of property settings to apply
+for the up staff of PianoStaff. Used by @code{\\autochange}")
(bassFigureFormatFunction ,procedure? "Procedure that is called
to produce the formatting for a @code{BassFigure} grob. It takes a
list of @code{BassFigureEvent}s, a context, and the grob to format.")