Please close PRs 2250 and 2252 * 2250 is fixed. See audit trail in GNATS * 2252 is a duplicate of 2251. +++++++++++++++++++++++++++++++++++++++++ (Mr) David Billinghurst Comalco Research Centre PO Box 316, Thomastown, Vic, Australia, 3074 Phone: +61 3 9469 0642 FAX: +61 3 9462 2700 Email: David.Billinghurst@riotinto.com