type error = | EUnterminatedString| EIdentExpected| ECloseExpected| ENodeExpected| EAttributeNameExpected| EAttributeValueExpected| EUnterminatedEntity
type token = | Tag of string * (string * string) list * bool| PCData of string| Endtag of string| Eof
type pos = int * int * int * intval init : Stdlib.Lexing.lexbuf -> unitval token : Stdlib.Lexing.lexbuf -> tokenval pos : Stdlib.Lexing.lexbuf -> posval restore : pos -> unit