# Metaproxy XML config file schema namespace mp = "http://indexdata.com/metaproxy" filter_http_rewrite1 = attribute type { "http_rewrite1" }, attribute id { xsd:NCName }?, attribute name { xsd:NCName }?, element mp:replace { attribute pattern { xsd:string }, attribute replacement { xsd:string }?, attribute mode { xsd:string }?, attribute content-type { xsd:string }? }*