- (positions ,number-pair? "Pair of staff coordinates @code{(@var{left}
-. @var{right})}, where both @var{left} and @var{right} are in
-@code{staff-space} units of the current staff.
-
-For slurs, this value selects which slur candidate
-to use; if extreme positions are requested, the closest one is taken.")
+ (positions ,number-pair? "Pair of staff coordinates
+@code{(@var{left} . @var{right})}, where both @var{left} and
+@var{right} are in @code{staff-space} units of the current staff.
+For slurs, this value selects which slur candidate to use; if
+extreme positions are requested, the closest one is taken.")
+ (prefer-dotted-right ,boolean? "For note collisions, prefer to
+shift dotted up-note to the right, rather than shifting just the
+dot.")