2013/01/26 10:01:56 WARNING (ElementSaver): 70013761.osm.pbf:   Way null (http://www.openstreetmap.org/browse/way/56631995) has short arc (5.87m) at http://www.openstreetmap.org/?mlat=52.07520&mlon=-4.44000&zoom=17 - but it can't be removed because both ends of the arc are boundary nodes!