SEARCH Method - Request Syntax (Cont’d)
http://www.ietf.org/standards/dav/AND, when used in an OR in a limited-search MUST contain name and value elements.
http://www.ietf.org/standards/dav/(name/value) is used to indicate that the property namespace/valuespace is to be searched. This element contains a match-string. In the case of name the search occurs on the fully qualified version of the property name.