OpenXRI

Peter Davis discovered that the OpenXRI resolver is returning an extra
level of XRDS when a subsegment is not found.


$ curl 'http://xri.net/=nothere?_xrd_r=application/xrds+xml;sep=false'
<?xml version="1.0" encoding="UTF-8"?>
<XRDS ref="xri://=nothere" xmlns="xri://$xrds">
<XRDS>
<XRD version="2.0" xmlns="xri://$xrd*($v*2.0)">
<Query>*nothere</Query>
<Status ceid="off" cid="off" code="222">The subsegment does not
exist</Status>
<ServerStatus code="222">The subsegment does not exist</ServerStatus>
<Expires>2009-01-29T15:10:04.000Z</Expires>
<ProviderID>xri://=</ProviderID>
</XRD>
</XRDS>
</XRDS>