xml_set_notation_decl_handler Set up notation declaration handler boolxml_set_notation_decl_handler resourceparser callbackhandler Sets the notation declaration handler function for the XML parser parser. handler is a string containing the name of a function that must exist when xml_parse is called for parser. A notation declaration is part of the document's DTD and has the following format: name { systemId | publicId?> ]]> See section 4.7 of the XML 1.0 spec for the definition of notation declarations. The function named by handler must accept five parameters: handler resourceparser stringnotation_name stringbase stringsystem_id stringpublic_id parser The first parameter, parser, is a reference to the XML parser calling the handler. notation_name This is the notation's name, as per the notation format described above. base This is the base for resolving the system identifier (system_id) of the notation declaration. Currently this parameter will always be set to an empty string. system_id System identifier of the external notation declaration. public_id Public identifier of the external notation declaration. If a handler function is set to an empty string, or &false;, the handler in question is disabled. &true; is returned if the handler is set up, &false; if parser is not a parser. ¬e.func-callback;