ideal = max (ideal, min_desired_space);
stem_dir_correction (me, right_col, increment, &ideal, &min_desired_space);
+ /* TODO: grace notes look bad when things are stretched. Should we increase
+ their stretch strength? */
Spring ret (max (0.0, ideal), min_dist);
ret.set_inverse_compress_strength (max (0.0, ideal - min_desired_space));
ret.set_inverse_stretch_strength (max (0.1, base_space - increment));