I can no longer reproduce this problem, so I think this PR can be closed. -- Per Amund Amundsen per-am@ux.uis.no Department of Mathematics and Natural Science per.a.amundsen@uis.no University of Stavanger Tlf: (+47) 51 83 18 77 N-4036 Stavanger Fax: (+47) 51 83 17 50