(******************************************************)
(*    Claudio Sacerdoti Coen <sacerdot@cs.unibo.it>   *)
(*                   14/05/2000                       *)
(******************************************************)

type regexp =
   Char of int
 | Interval of int * int      (* lower bound, upper bound *)
 | Identifier of string
 | Concat of regexp list list (* concatenation of disjunctions *)
;;

type definition = { id : string ; rel : regexp list } ;;