external tree_tagged_descendant : tree -> [`Tree ] Node.t -> Tag.t -> [`Tree ] Node.t = "caml_xml_tree_tagged_descendant" "noalloc"
let tagged_descendant t n tag = tree_tagged_descendant t.doc n tag
+external tree_tagged_next : tree -> [`Tree ] Node.t -> Tag.t -> [`Tree ] Node.t = "caml_xml_tree_tagged_next" "noalloc"
+let tagged_next t n tag = tree_tagged_next t.doc n tag
+
external tree_select_descendant : tree -> [`Tree ] Node.t -> unordered_set -> [`Tree] Node.t = "caml_xml_tree_select_descendant" "noalloc"
let select_descendant t n tag_set = tree_select_descendant t.doc n tag_set