(**************************************************************************)
(* *)
(* Headache *)
(* *)
(* Vincent Simonet, Projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2002 *)
(* Institut National de Recherche en Informatique et en Automatique. *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Library General Public License. *)
(* *)
(* Vincent.Simonet@inria.fr http://cristal.inria.fr/~simonet/ *)
(* *)
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exception Error of string * int * int