xml_set_unparsed_entity_decl_handler Set up unparsed entity declaration handler &reftitle.description; truexml_set_unparsed_entity_decl_handler XMLParserparser callablestringnullhandler Sets the unparsed entity declaration handler function for the XML parser parser. The handler will be called if the XML parser encounters an external entity declaration with an NDATA declaration, like the following: name {publicId | systemId} NDATA notationName ]]> See section 4.2.2 of the XML 1.0 spec for the definition of notation declared external entities. &reftitle.parameters; &xml.parser.param; handler &xml.handler.description; The signature of the handler must be: voidhandler XMLParserparser stringentity_name stringfalsebase stringsystem_id stringfalsepublic_id stringfalsenotation_name &xml.handler.parser.param; entity_name The name of the entity that is about to be defined. base This is the base for resolving the system identifier (systemId) of the external entity. system_id System identifier for the external entity. public_id Public identifier for the external entity. notation_name Name of the notation of this entity (see xml_set_notation_decl_handler). &reftitle.returnvalues; &return.true.always; &reftitle.changelog; &Version; &Description; &xml.changelog.handler-param; &xml.changelog.parser-param;