+% the shouldn't reach to the top staff line.
+%% TODO: should take from height.
+ clearing = 1.2 stafflinethickness;
+
+%
+% TODO: parameterize this
+%
+ if w >= 0.75 staff_space:
+ smaller_hole = 0.2 stafflinethickness;
+ else:
+ smaller_hole = 0.0 stafflinethickness;
+ fi
+ crook_thinness = 1.1 stafflinethickness;
+ top_stem_thick = 2.2 stafflinethickness;
+ bottom_overshoot = stafflinethickness;