http://www.openstreetmap.org/browse/changeset/6584778 http://www.openstreetmap.org/browse/changeset/6576648 http://www.openstreetmap.org/browse/changeset/6575788 http://www.openstreetmap.org/browse/changeset/6575386 I've been in contact with the user concerned & he confirms they were done in error. Thanks Dave F.