textSpannerNeutral = \revert TextSpanner #'direction
+
+bassFigureExtendersOn = {
+ \set useBassFigureExtenders = ##t
+ \set Staff.useBassFigureExtenders = ##t
+}
+
+bassFigureExtendersOff = {
+ \set useBassFigureExtenders = ##f
+ \set Staff.useBassFigureExtenders = ##f
+}
+
+bassFigureStaffAlignmentDown = {
+ \override Staff.BassFigureAlignmentPositioning #'direction = #DOWN
+}
+
+bassFigureStaffAlignmentUp = {
+ \override Staff.BassFigureAlignmentPositioning #'direction = #UP
+}
+
+bassFigureStaffAlignmentNeutral = {
+ \revert Staff.BassFigureAlignmentPositioning #'direction
+}
+