}
while (flip (&updowndir) != DOWN);
- chord_outlines_[key] = Skyline (boxes, Y_AXIS, -dir);
+ chord_outlines_[key] = Skyline (boxes, 0, Y_AXIS, -dir);
if (bounds[0]->break_status_dir ())
{
Real x = robust_relative_extent (bounds[0], x_refpoint_, X_AXIS)[-dir];