<a href="http://www.openstreetmap.org/browse/relation/14157/history">http://www.openstreetmap.org/browse/relation/14157/history</a><br><a href="http://www.openstreetmap.org/browse/relation/8536/history">http://www.openstreetmap.org/browse/relation/8536/history</a><br>
<br>The culprit seems to be the ref="0" in each:<br><a href="http://api.openstreetmap.org/api/0.6/relation/8536/2">http://api.openstreetmap.org/api/0.6/relation/8536/2</a><br><a href="http://api.openstreetmap.org/api/0.6/relation/14157/3">http://api.openstreetmap.org/api/0.6/relation/14157/3</a><br>