- (repeatCommands ,list? "This property is read to find any command
-of the form @code{(volta . @var{x})}, where @var{x} is a string or
-@code{#f}.")
+ (repeatCommands ,list? "This property is a list of commands
+of the form @code{(list 'volta @var{x})}, where @var{x} is a string or
+@code{#f}. @code{'end-repeat} is also accepted as a command.")
+ (repeatCountVisibility ,procedure? "A procedure taking as
+arguments an integer and context, returning whether the corresponding
+percent repeat number should be printed when @code{countPercentRepeats}
+is set.")