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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 Stdarg

}

DECLARE PLUGIN "derive_plugin"

{

let classify_derive_command _ = Vernacextend.(VtStartProof (Doesn'tGuaranteeOpacity,[]),VtLater)

}

VERNAC COMMAND EXTEND Derive CLASSIFIED BY { classify_derive_command }
| ![ open_proof ] [ "Derive" ident(f) "SuchThat" constr(suchthat) "As" ident(lemma) ] ->
  { Derive.(start_deriving f suchthat lemma) }
END