external null_pool : unit -> pool = "caml_xml_tree_nullt"
external null_tag : unit -> t = "caml_xml_tree_nullt"
external register_tag : pool -> string -> t = "caml_xml_tree_register_tag"
-external tag_name : pool -> t -> string = "caml_xml_tree_tag_name"
+external tag_name : pool -> t -> string = "caml_xml_tree_get_tag_name"
let nullt = null_tag ()
(* Defined in XMLTree.cpp *)