2013/01/23 06:35:49 WARNING (ElementSaver): 70013050.osm.pbf:   Way null (http://www.openstreetmap.org/browse/way/91319820) has short arc (4.78m) at http://www.openstreetmap.org/?mlat=-21.48473&mlon=-51.54785&zoom=17 - but it can't be removed because both ends of the arc are boundary nodes!