Xml_light.Dtd0type dtd_attr_default = Types.dtd_attr_default = type dtd_attr_type = Types.dtd_attr_type = type dtd_item = Types.dtd_item = | DTDAttribute of string * string * dtd_attr_type * dtd_attr_default| DTDElement of string * dtd_element_typetype dtd = dtd_item list