ExtFunctions = {('http://xmlns.4suite.org/ext', 'doc-as-string'): <function DocAsString>, ('http://xmlns.4suite.org/ext', 'key'): <function FtKey>, ('http://xmlns.4suite.org/ext', 'lookup'): <function Lookup>, ('http://xmlns.4suite.org/ext', 'map'): <function Map>, ('http://xmlns.4suite.org/ext', 'search-re'): <function SearchRe>, ('http://xmlns.4suite.org/ext', 'serialize-xml'): <function SerializeXml>, ('http://xmlns.4suite.org/ext', 'split'): <function Split>}