(GraphicImpl::require_lead_trail): Compute the minimum and the maximum requirement as the sum of the minimum or, respectively, the maximum lead and trail.
(GraphicImpl::require_lead_trail): Compute the minimum
and the maximum requirement as the sum of the
minimum or, respectively, the maximum lead and trail.


stefanseefeld/fresco,stefanseefeld/fresco,stefanseefeld/fresco,stefanseefeld/fresco,stefanseefeld/fresco