<?xml version="1.0" encoding="UTF-8"?> <xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)"> <XRD> <Service> <Type>http://specs.openid.net/auth/2.0/signon</Type> <URI>http://op.example.com</URI> </Service> </XRD> </xrds:XRDS>