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(************************************************************************)
(*         *   The Coq Proof Assistant / The Coq Development Team       *)
(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
(* <O___,, *       (see CREDITS file for the list of authors)           *)
(*   \VV/  **************************************************************)
(*    //   *    This file is distributed under the terms of the         *)
(*         *     GNU Lesser General Public License Version 2.1          *)
(*         *     (see LICENSE file for the text of the license)         *)
(************************************************************************)

open Ltac_plugin
open Cctac
open Stdarg

DECLARE PLUGIN "cc_plugin"

(* Tactic registration *)

TACTIC EXTEND cc
 [ "congruence" ] -> [ congruence_tac 1000 [] ]
 |[ "congruence" integer(n) ] -> [ congruence_tac n [] ]
 |[ "congruence" "with" ne_constr_list(l) ] -> [ congruence_tac 1000 l ]
 |[ "congruence" integer(n) "with" ne_constr_list(l) ] ->
   [ congruence_tac n l ]
END

TACTIC EXTEND f_equal
 [ "f_equal" ] -> [ f_equal ]
END