<xs:schema
targetNamespace="http://madskills.com/public/xml/rss/module/trackback/" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="ping" type="xs:anyURI"> <xs:annotation> <xs:documentation> <![CDATA[The trackback:ping is this feed item's TrackBack url.]]> </xs:documentation> </xs:annotation> </xs:element> <xs:element name="about" type="xs:anyURI"> <xs:annotation> <xs:documentation> <![CDATA[The trackback:about is the original item that was pinged, letting the original author know that the information was syndicated using a TrackBack.]]> </xs:documentation> </xs:annotation> </xs:element>
</xs:schema>