# Metaproxy XML config file schema namespace mp = "http://indexdata.com/metaproxy" filter_xquery = attribute type { "xquery" }, attribute id { xsd:NCName }?, attribute name { xsd:NCName }?, element mp:elementset { attribute name { xsd:string }, attribute backend { xsd:string }, }, element mp:script { attribute name { xsd:string }, }, element mp:record { attribute name { xsd:string }, }, element mp:variable { attribute name { xsd:string }, attribute value { xsd:string }, }*