Moving conversion functions to the new tactic API.

16 files changed, 85 insertions, 82 deletions

diff --git a/plugins/btauto/refl_btauto.ml b/plugins/btauto/refl_btauto.ml
index 5a49fc8f45..57eb80f5fb 100644
--- a/plugins/btauto/refl_btauto.ml
+++ b/plugins/btauto/refl_btauto.ml
@@ -250,7 +250,7 @@ module Btauto = struct
           Tacticals.New.tclTHENLIST [
             Tactics.change_concl changed_gl;
             Tactics.apply (Lazy.force soundness);
-            Proofview.V82.tactic (Tactics.normalise_vm_in_concl);
+            Tactics.normalise_vm_in_concl;
             try_unification env
           ]
       | _ ->
diff --git a/plugins/firstorder/rules.ml b/plugins/firstorder/rules.ml
index e676a8a936..d539eda579 100644
--- a/plugins/firstorder/rules.ml
+++ b/plugins/firstorder/rules.ml
@@ -210,6 +210,6 @@ let defined_connectives=lazy
 let normalize_evaluables=
   onAllHypsAndConcl
     (function
-	 None->unfold_in_concl (Lazy.force defined_connectives)
+	 None-> Proofview.V82.of_tactic (unfold_in_concl (Lazy.force defined_connectives))
        | Some id ->
-	   unfold_in_hyp (Lazy.force defined_connectives) (id,InHypTypeOnly))
+	   Proofview.V82.of_tactic (unfold_in_hyp (Lazy.force defined_connectives) (id,InHypTypeOnly)))
diff --git a/plugins/funind/functional_principles_proofs.ml b/plugins/funind/functional_principles_proofs.ml
index 4eab5f9126..aa89f89b74 100644
--- a/plugins/funind/functional_principles_proofs.ml
+++ b/plugins/funind/functional_principles_proofs.ml
@@ -1334,7 +1334,7 @@ let prove_princ_for_struct (evd:Evd.evar_map ref) interactive_proof fun_num fnam
 		 in
 		 let fname = destConst (fst (decompose_app (List.hd (List.rev pte_args)))) in
 		 tclTHENSEQ
-		   [unfold_in_concl [(Locus.AllOccurrences, Names.EvalConstRef (fst fname))];
+		   [Proofview.V82.of_tactic (unfold_in_concl [(Locus.AllOccurrences, Names.EvalConstRef (fst fname))]);
 		    let do_prove =
 		      build_proof
 			interactive_proof
@@ -1460,7 +1460,7 @@ let new_prove_with_tcc is_mes acc_inv hrec tcc_hyps eqs : tactic =
 		  (fun g ->
 		     if is_mes
 		     then
-		       unfold_in_concl [(Locus.AllOccurrences, evaluable_of_global_reference (delayed_force ltof_ref))] g
+		       Proofview.V82.of_tactic (unfold_in_concl [(Locus.AllOccurrences, evaluable_of_global_reference (delayed_force ltof_ref))]) g
 		     else tclIDTAC g
 		  );
 		  observe_tac "rew_and_finish"
diff --git a/plugins/funind/invfun.ml b/plugins/funind/invfun.ml
index 0c9d3bb819..ae2091a227 100644
--- a/plugins/funind/invfun.ml
+++ b/plugins/funind/invfun.ml
@@ -484,15 +484,15 @@ and intros_with_rewrite_aux : tactic =
 			tclTHENSEQ [ Proofview.V82.of_tactic (Simple.intro id); thin [id]; intros_with_rewrite ] g
 		      else if isVar args.(1) && (Environ.evaluable_named (destVar args.(1)) (pf_env g)) 
 		      then tclTHENSEQ[
-			unfold_in_concl [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(1)))];
-			tclMAP (fun id -> tclTRY(unfold_in_hyp [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(1)))] ((destVar args.(1)),Locus.InHyp) ))
+			Proofview.V82.of_tactic (unfold_in_concl [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(1)))]);
+			tclMAP (fun id -> tclTRY(Proofview.V82.of_tactic (unfold_in_hyp [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(1)))] ((destVar args.(1)),Locus.InHyp) )))
 			  (pf_ids_of_hyps g);
 			intros_with_rewrite
 		      ] g
 		      else if isVar args.(2) && (Environ.evaluable_named (destVar args.(2)) (pf_env g)) 
 		      then tclTHENSEQ[
-			unfold_in_concl [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(2)))];
-			tclMAP (fun id -> tclTRY(unfold_in_hyp [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(2)))] ((destVar args.(2)),Locus.InHyp) ))
+			Proofview.V82.of_tactic (unfold_in_concl [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(2)))]);
+			tclMAP (fun id -> tclTRY(Proofview.V82.of_tactic (unfold_in_hyp [(Locus.AllOccurrences, Names.EvalVarRef (destVar args.(2)))] ((destVar args.(2)),Locus.InHyp) )))
 			  (pf_ids_of_hyps g);
 			intros_with_rewrite
 		      ] g
@@ -703,7 +703,7 @@ let prove_fun_complete funcs graphs schemes lemmas_types_infos i : tactic =
 	  thin ids
 	]
       else
-        unfold_in_concl [(Locus.AllOccurrences, Names.EvalConstRef (fst (destConst f)))]
+        Proofview.V82.of_tactic (unfold_in_concl [(Locus.AllOccurrences, Names.EvalConstRef (fst (destConst f)))])
     in
     (* The proof of each branche itself *)
     let ind_number = ref 0 in
diff --git a/plugins/funind/recdef.ml b/plugins/funind/recdef.ml
index b096783412..834d0aceac 100644
--- a/plugins/funind/recdef.ml
+++ b/plugins/funind/recdef.ml
@@ -276,8 +276,8 @@ let tclUSER tac is_mes l g =
       if is_mes
       then observe_tclTHENLIST (str "tclUSER2")
         [
-	  unfold_in_concl [(Locus.AllOccurrences, evaluable_of_global_reference
-            (delayed_force Indfun_common.ltof_ref))];
+	  Proofview.V82.of_tactic (unfold_in_concl [(Locus.AllOccurrences, evaluable_of_global_reference
+            (delayed_force Indfun_common.ltof_ref))]);
          tac
 	 ]
       else tac
@@ -564,8 +564,8 @@ let rec destruct_bounds_aux infos (bound,hyple,rechyps) lbounds g =
 		     h_intros [k;h';def];
 		     observe_tac (str "simple_iter") (simpl_iter Locusops.onConcl);
 		     observe_tac (str "unfold functional")
-		       (unfold_in_concl[(Locus.OnlyOccurrences [1],
-					 evaluable_of_global_reference infos.func)]);
+		       (Proofview.V82.of_tactic (unfold_in_concl[(Locus.OnlyOccurrences [1],
+					 evaluable_of_global_reference infos.func)]));
 		     (
 		       observe_tclTHENLIST (str "test")[
 			 list_rewrite true
@@ -904,8 +904,8 @@ let make_rewrite expr_info l hp max =
 	 (observe_tclTHENLIST (str "make_rewrite")[
 	   simpl_iter Locusops.onConcl;
 	   observe_tac (str "unfold functional")
-	     (unfold_in_concl[(Locus.OnlyOccurrences [1],
-			       evaluable_of_global_reference expr_info.func)]);
+	     (Proofview.V82.of_tactic (unfold_in_concl[(Locus.OnlyOccurrences [1],
+			       evaluable_of_global_reference expr_info.func)]));
 	   
 	   (list_rewrite true 
 	      (List.map (fun e -> mkVar e,true) expr_info.eqs));
@@ -1425,7 +1425,7 @@ let start_equation (f:global_reference) (term_f:global_reference)
   let x = n_x_id ids nargs in
   observe_tac (str "start_equation") (observe_tclTHENLIST (str "start_equation") [
     h_intros x;
-    unfold_in_concl [(Locus.AllOccurrences, evaluable_of_global_reference f)];
+    Proofview.V82.of_tactic (unfold_in_concl [(Locus.AllOccurrences, evaluable_of_global_reference f)]);
     observe_tac (str "simplest_case")
       (Proofview.V82.of_tactic (simplest_case (mkApp (terminate_constr,
                              Array.of_list (List.map mkVar x)))));
diff --git a/plugins/omega/coq_omega.ml b/plugins/omega/coq_omega.ml
index 7e38109d67..ad63c90f27 100644
--- a/plugins/omega/coq_omega.ml
+++ b/plugins/omega/coq_omega.ml
@@ -927,15 +927,15 @@ let rec transform p t =
 	  transform p
 	    (mkApp (Lazy.force coq_Zplus,
 		     [| t1; (mkApp (Lazy.force coq_Zopp, [| t2 |])) |])) in
-	unfold sp_Zminus :: tac,t
+	Proofview.V82.of_tactic (unfold sp_Zminus) :: tac,t
     | Kapp(Zsucc,[t1]) ->
 	let tac,t = transform p (mkApp (Lazy.force coq_Zplus,
 					 [| t1; mk_integer one |])) in
-	unfold sp_Zsucc :: tac,t
+	Proofview.V82.of_tactic (unfold sp_Zsucc) :: tac,t
     | Kapp(Zpred,[t1]) ->
 	let tac,t = transform p (mkApp (Lazy.force coq_Zplus,
 					 [| t1; mk_integer negone |])) in
-	unfold sp_Zpred :: tac,t
+	Proofview.V82.of_tactic (unfold sp_Zpred) :: tac,t
    | Kapp(Zmult,[t1;t2]) ->
        let tac1,t1' = transform (P_APP 1 :: p) t1
        and tac2,t2' = transform (P_APP 2 :: p) t2 in
@@ -1091,8 +1091,8 @@ let replay_history tactic_normalisation =
 	    in
             Tacticals.New.tclTHENS
 	      (Tacticals.New.tclTHENLIST [
-		Proofview.V82.tactic (unfold sp_Zle);
-		Proofview.V82.tactic (simpl_in_concl);
+		unfold sp_Zle;
+		simpl_in_concl;
 		intro;
 		(absurd not_sup_sup) ])
 	      [ assumption ; reflexivity ]
@@ -1135,10 +1135,10 @@ let replay_history tactic_normalisation =
 		        (intros_using [id]);
 		        (loop l) ];
 		      Tacticals.New.tclTHENLIST [
-			(Proofview.V82.tactic (unfold sp_Zgt));
-			(Proofview.V82.tactic simpl_in_concl);
+			(unfold sp_Zgt);
+			simpl_in_concl;
 			reflexivity ] ];
-		  Tacticals.New.tclTHENLIST [ Proofview.V82.tactic (unfold sp_Zgt); Proofview.V82.tactic simpl_in_concl; reflexivity ]
+		  Tacticals.New.tclTHENLIST [ unfold sp_Zgt; simpl_in_concl; reflexivity ]
                 ];
 	      Tacticals.New.tclTHEN (Proofview.V82.tactic (mk_then tac)) reflexivity ]
 
@@ -1160,18 +1160,18 @@ let replay_history tactic_normalisation =
 		    [mkApp (Lazy.force coq_OMEGA4,
                       [| dd;kk;eq2;mkVar aux1; mkVar aux2 |])]);
 		  Proofview.V82.tactic (clear [aux1;aux2]);
-		  Proofview.V82.tactic (unfold sp_not);
+		  unfold sp_not;
 		  (intros_using [aux]);
 		  Proofview.V82.tactic (resolve_id aux);
 		  Proofview.V82.tactic (mk_then tac);
 		  assumption ] ;
 		 Tacticals.New.tclTHENLIST [
-		   Proofview.V82.tactic (unfold sp_Zgt);
-		   Proofview.V82.tactic simpl_in_concl;
+		   unfold sp_Zgt;
+		   simpl_in_concl;
 		   reflexivity ] ];
               Tacticals.New.tclTHENLIST [
-		Proofview.V82.tactic (unfold sp_Zgt);
-                Proofview.V82.tactic simpl_in_concl;
+		unfold sp_Zgt;
+                simpl_in_concl;
 		reflexivity ] ]
       | EXACT_DIVIDE (e1,k) :: l ->
 	  let id = hyp_of_tag e1.id in
@@ -1208,8 +1208,8 @@ let replay_history tactic_normalisation =
 		   (intros_using [id]);
 		   (loop l) ];
 		  Tacticals.New.tclTHENLIST [
-		    Proofview.V82.tactic (unfold sp_Zgt);
-                    Proofview.V82.tactic simpl_in_concl;
+		    unfold sp_Zgt;
+                    simpl_in_concl;
 		    reflexivity ] ];
 		Tacticals.New.tclTHEN (Proofview.V82.tactic (mk_then tac)) reflexivity ]
       | (MERGE_EQ(e3,e1,e2)) :: l ->
@@ -1329,12 +1329,12 @@ let replay_history tactic_normalisation =
 		   (intros_using [id]);
 		   (loop l) ];
 		 Tacticals.New.tclTHENLIST [
-		   Proofview.V82.tactic (unfold sp_Zgt);
-                   Proofview.V82.tactic simpl_in_concl;
+		   unfold sp_Zgt;
+                   simpl_in_concl;
 		   reflexivity ] ];
 	      Tacticals.New.tclTHENLIST [
-		Proofview.V82.tactic (unfold sp_Zgt);
-                Proofview.V82.tactic simpl_in_concl;
+		unfold sp_Zgt;
+                simpl_in_concl;
 		reflexivity ] ]
       | CONSTANT_NOT_NUL(e,k) :: l ->
 	  Tacticals.New.tclTHEN (Proofview.V82.tactic (generalize_tac [mkVar (hyp_of_tag e)])) Equality.discrConcl
@@ -1343,9 +1343,9 @@ let replay_history tactic_normalisation =
       | CONSTANT_NEG(e,k) :: l ->
 	  Tacticals.New.tclTHENLIST [
 	    Proofview.V82.tactic (generalize_tac [mkVar (hyp_of_tag e)]);
-            Proofview.V82.tactic (unfold sp_Zle);
-	    Proofview.V82.tactic simpl_in_concl;
-	    Proofview.V82.tactic (unfold sp_not);
+            unfold sp_Zle;
+	    simpl_in_concl;
+	    unfold sp_not;
 	    (intros_using [aux]);
 	    Proofview.V82.tactic (resolve_id aux);
 	    reflexivity
@@ -1839,7 +1839,7 @@ let destructure_goal =
       match destructurate_prop t with
       | Kapp(Not,[t]) ->
           (Tacticals.New.tclTHEN
-	     (Tacticals.New.tclTHEN (Proofview.V82.tactic (unfold sp_not)) intro)
+	     (Tacticals.New.tclTHEN (unfold sp_not) intro)
 	     destructure_hyps)
       | Kimp(a,b) -> (Tacticals.New.tclTHEN intro (loop b))
       | Kapp(False,[]) -> destructure_hyps
diff --git a/plugins/romega/refl_omega.ml b/plugins/romega/refl_omega.ml
index 560e6a899e..177c870b3c 100644
--- a/plugins/romega/refl_omega.ml
+++ b/plugins/romega/refl_omega.ml
@@ -1285,7 +1285,7 @@ let resolution env full_reified_goal systems_list =
   Proofview.V82.of_tactic (Tactics.change_concl reified) >>
   Proofview.V82.of_tactic (Tactics.apply (app coq_do_omega [|decompose_tactic; normalization_trace|])) >>
   show_goal >>
-  Tactics.normalise_vm_in_concl >>
+  Proofview.V82.of_tactic (Tactics.normalise_vm_in_concl) >>
   (*i Alternatives to the previous line:
    - Normalisation without VM:
       Tactics.normalise_in_concl
diff --git a/plugins/setoid_ring/newring.ml b/plugins/setoid_ring/newring.ml
index ed6db90d63..a67cc7cb87 100644
--- a/plugins/setoid_ring/newring.ml
+++ b/plugins/setoid_ring/newring.ml
@@ -99,10 +99,10 @@ let protect_red map env sigma c =
     (mk_clos_but (lookup_map map c) (Esubst.subs_id 0) c);;
 
 let protect_tac map =
-  Tactics.reduct_option (protect_red map,DEFAULTcast) None ;;
+  Proofview.V82.of_tactic (Tactics.reduct_option (protect_red map,DEFAULTcast) None);;
 
 let protect_tac_in map id =
-  Tactics.reduct_option (protect_red map,DEFAULTcast) (Some(id, Locus.InHyp));;
+  Proofview.V82.of_tactic (Tactics.reduct_option (protect_red map,DEFAULTcast) (Some(id, Locus.InHyp)));;
 
 
 (****************************************************************************)
diff --git a/tactics/class_tactics.ml b/tactics/class_tactics.ml
index c9b2c7cfde..3ac3daef9a 100644
--- a/tactics/class_tactics.ml
+++ b/tactics/class_tactics.ml
@@ -245,7 +245,7 @@ and e_my_find_search db_list local_db hdc complete sigma concl =
          Proofview.V82.tactic (tclTHEN
 				 (Proofview.V82.of_tactic ((with_prods nprods poly (term,cl) (unify_e_resolve poly flags))))
 				 (if complete then tclIDTAC else e_trivial_fail_db db_list local_db))
-      | Unfold_nth c -> Proofview.V82.tactic (tclWEAK_PROGRESS (unfold_in_concl [AllOccurrences,c]))
+      | Unfold_nth c -> Proofview.V82.tactic (tclWEAK_PROGRESS (Proofview.V82.of_tactic (unfold_in_concl [AllOccurrences,c])))
       | Extern tacast -> conclPattern concl p tacast
       in
       let tac = Proofview.V82.of_tactic (run_hint t tac) in
diff --git a/tactics/eauto.ml4 b/tactics/eauto.ml4
index 6117c8b432..ae85f02d59 100644
--- a/tactics/eauto.ml4
+++ b/tactics/eauto.ml4
@@ -503,7 +503,7 @@ let autounfolds db occs cls gl =
     let ids = Idset.filter (fun id -> List.mem id hyps) ids in
       Cset.fold (fun cst -> cons (AllOccurrences, EvalConstRef cst)) csts
 	(Id.Set.fold (fun id -> cons (AllOccurrences, EvalVarRef id)) ids [])) db)
-  in unfold_option unfolds cls gl
+  in Proofview.V82.of_tactic (unfold_option unfolds cls) gl
 
 let autounfold db cls gl =
   let cls = concrete_clause_of (fun () -> pf_ids_of_hyps gl) cls in
diff --git a/tactics/eqdecide.ml b/tactics/eqdecide.ml
index be4b135974..7c821ddcb5 100644
--- a/tactics/eqdecide.ml
+++ b/tactics/eqdecide.ml
@@ -123,7 +123,7 @@ let diseqCase hyps eqonleft =
   (tclTHEN (intro_using diseq)
   (tclTHEN (choose_noteq eqonleft)
   (tclTHEN (rewrite_and_clear (List.rev hyps))
-  (tclTHEN  (Proofview.V82.tactic red_in_concl)
+  (tclTHEN  (red_in_concl)
   (tclTHEN  (intro_using absurd)
   (tclTHEN  (Simple.apply (mkVar diseq))
   (tclTHEN  (Extratactics.injHyp absurd)
diff --git a/tactics/equality.ml b/tactics/equality.ml
index 1e814e861c..c9ecc55d18 100644
--- a/tactics/equality.ml
+++ b/tactics/equality.ml
@@ -1622,8 +1622,8 @@ let unfold_body x =
   let hl = List.fold_right (fun (y,yval,_) cl -> (y,InHyp) :: cl) aft [] in
   let xvar = mkVar x in
   let rfun _ _ c = replace_term xvar xval c in
-  let reducth h = Proofview.V82.tactic (fun gl -> reduct_in_hyp rfun h gl) in
-  let reductc = Proofview.V82.tactic (fun gl -> reduct_in_concl (rfun, DEFAULTcast) gl) in
+  let reducth h = reduct_in_hyp rfun h in
+  let reductc = reduct_in_concl (rfun, DEFAULTcast) in
   tclTHENLIST [tclMAP reducth hl; reductc]
   end
   end }
diff --git a/tactics/rewrite.ml b/tactics/rewrite.ml
index d0a090e5c1..8b71affffa 100644
--- a/tactics/rewrite.ml
+++ b/tactics/rewrite.ml
@@ -1569,10 +1569,10 @@ let cl_rewrite_clause_newtac ?abs ?origsigma ~progress strat clause =
             convert_concl_no_check newt DEFAULTcast
   in
   let beta_red _ sigma c = Reductionops.nf_betaiota sigma c in
-  let beta = Proofview.V82.tactic (Tactics.reduct_in_concl (beta_red, DEFAULTcast)) in
+  let beta = Tactics.reduct_in_concl (beta_red, DEFAULTcast) in
   let opt_beta = match clause with
   | None -> Proofview.tclUNIT ()
-  | Some id -> Proofview.V82.tactic (Tactics.reduct_in_hyp beta_red (id, InHyp))
+  | Some id -> Tactics.reduct_in_hyp beta_red (id, InHyp)
   in
   Proofview.Goal.nf_enter { enter = begin fun gl ->
     let concl = Proofview.Goal.concl gl in
diff --git a/tactics/tactics.ml b/tactics/tactics.ml
index f76f4f6e20..28d3ed18a1 100644
--- a/tactics/tactics.ml
+++ b/tactics/tactics.ml
@@ -470,7 +470,7 @@ let cofix ido gl = match ido with
 type tactic_reduction = env -> evar_map -> constr -> constr
 
 let pf_reduce_decl redfun where (id,c,ty) gl =
-  let redfun' = Tacmach.pf_reduce redfun gl in
+  let redfun' = Tacmach.New.pf_apply redfun gl in
   match c with
   | None ->
       if where == InHypValueOnly then
@@ -549,12 +549,15 @@ let bind_red_expr_occurrences occs nbcl redexp =
    reduction function either to the conclusion or to a
    certain hypothesis *)
 
-let reduct_in_concl (redfun,sty) gl =
-  Proofview.V82.of_tactic (convert_concl_no_check (Tacmach.pf_reduce redfun gl (Tacmach.pf_concl gl)) sty) gl
+let reduct_in_concl (redfun,sty) =
+  Proofview.Goal.nf_enter { enter = begin fun gl ->
+    convert_concl_no_check (Tacmach.New.pf_apply redfun gl (Tacmach.New.pf_concl gl)) sty
+  end }
 
-let reduct_in_hyp ?(check=false) redfun (id,where) gl =
-  Proofview.V82.of_tactic (convert_hyp ~check
-    (pf_reduce_decl redfun where (Tacmach.pf_get_hyp gl id) gl)) gl
+let reduct_in_hyp ?(check=false) redfun (id,where) =
+  Proofview.Goal.nf_enter { enter = begin fun gl ->
+  convert_hyp ~check (pf_reduce_decl redfun where (Tacmach.New.pf_get_hyp id gl) gl)
+  end }
 
 let revert_cast (redfun,kind as r) =
   if kind == DEFAULTcast then (redfun,REVERTcast) else r
@@ -798,7 +801,7 @@ let rec intro_then_gen name_flag move_flag force_flag dep_flag tac =
           else Proofview.tclUNIT ()
         end <*>
 	  Proofview.tclORELSE
-	  (Tacticals.New.tclTHEN (Proofview.V82.tactic hnf_in_concl)
+	  (Tacticals.New.tclTHEN hnf_in_concl
 	     (intro_then_gen name_flag move_flag false dep_flag tac))
           begin function (e, info) -> match e with
             | RefinerError IntroNeedsProduct ->
@@ -2728,8 +2731,8 @@ let unfold_body x gl =
   let xvar = mkVar x in
   let rfun _ _ c = replace_term xvar xval c in
   tclTHENLIST
-    [tclMAP (fun h -> reduct_in_hyp rfun h) hl;
-     reduct_in_concl (rfun,DEFAULTcast)] gl
+    [tclMAP (fun h -> Proofview.V82.of_tactic (reduct_in_hyp rfun h)) hl;
+     Proofview.V82.of_tactic (reduct_in_concl (rfun,DEFAULTcast))] gl
 
 (* Either unfold and clear if defined or simply clear if not a definition *)
 let expand_hyp id = tclTHEN (tclTRY (unfold_body id)) (clear [id])
diff --git a/tactics/tactics.mli b/tactics/tactics.mli
index 5564b61c37..657367e36c 100644
--- a/tactics/tactics.mli
+++ b/tactics/tactics.mli
@@ -128,38 +128,38 @@ type tactic_reduction = env -> evar_map -> constr -> constr
 type change_arg = patvar_map -> constr Sigma.run
 
 val make_change_arg   : constr -> change_arg
-val reduct_in_hyp     : ?check:bool -> tactic_reduction -> hyp_location -> tactic
-val reduct_option     : ?check:bool -> tactic_reduction * cast_kind -> goal_location -> tactic
-val reduct_in_concl   : tactic_reduction * cast_kind -> tactic
+val reduct_in_hyp     : ?check:bool -> tactic_reduction -> hyp_location -> unit Proofview.tactic
+val reduct_option     : ?check:bool -> tactic_reduction * cast_kind -> goal_location -> unit Proofview.tactic
+val reduct_in_concl   : tactic_reduction * cast_kind -> unit Proofview.tactic
 val change_in_concl   : (occurrences * constr_pattern) option -> change_arg -> unit Proofview.tactic
 val change_concl      : constr -> unit Proofview.tactic
 val change_in_hyp     : (occurrences * constr_pattern) option -> change_arg ->
                         hyp_location -> unit Proofview.tactic
-val red_in_concl      : tactic
-val red_in_hyp        : hyp_location -> tactic
-val red_option        : goal_location -> tactic
-val hnf_in_concl      : tactic
-val hnf_in_hyp        : hyp_location -> tactic
-val hnf_option        : goal_location -> tactic
-val simpl_in_concl    : tactic
-val simpl_in_hyp      : hyp_location -> tactic
-val simpl_option      : goal_location -> tactic
-val normalise_in_concl : tactic
-val normalise_in_hyp  : hyp_location -> tactic
-val normalise_option  : goal_location -> tactic
-val normalise_vm_in_concl : tactic
+val red_in_concl      : unit Proofview.tactic
+val red_in_hyp        : hyp_location -> unit Proofview.tactic
+val red_option        : goal_location -> unit Proofview.tactic
+val hnf_in_concl      : unit Proofview.tactic
+val hnf_in_hyp        : hyp_location -> unit Proofview.tactic
+val hnf_option        : goal_location -> unit Proofview.tactic
+val simpl_in_concl    : unit Proofview.tactic
+val simpl_in_hyp      : hyp_location -> unit Proofview.tactic
+val simpl_option      : goal_location -> unit Proofview.tactic
+val normalise_in_concl : unit Proofview.tactic
+val normalise_in_hyp  : hyp_location -> unit Proofview.tactic
+val normalise_option  : goal_location -> unit Proofview.tactic
+val normalise_vm_in_concl : unit Proofview.tactic
 val unfold_in_concl   :
-  (occurrences * evaluable_global_reference) list -> tactic
+  (occurrences * evaluable_global_reference) list -> unit Proofview.tactic
 val unfold_in_hyp     :
-  (occurrences * evaluable_global_reference) list -> hyp_location -> tactic
+  (occurrences * evaluable_global_reference) list -> hyp_location -> unit Proofview.tactic
 val unfold_option     :
-  (occurrences * evaluable_global_reference) list -> goal_location -> tactic
+  (occurrences * evaluable_global_reference) list -> goal_location -> unit Proofview.tactic
 val change            :
   constr_pattern option -> change_arg -> clause -> tactic
 val pattern_option    :
   (occurrences * constr) list -> goal_location -> tactic
 val reduce            : red_expr -> clause -> tactic
-val unfold_constr     : global_reference -> tactic
+val unfold_constr     : global_reference -> unit Proofview.tactic
 
 (** {6 Modification of the local context. } *)
 
diff --git a/toplevel/auto_ind_decl.ml b/toplevel/auto_ind_decl.ml
index f0c7a39613..c143243b1d 100644
--- a/toplevel/auto_ind_decl.ml
+++ b/toplevel/auto_ind_decl.ml
@@ -580,7 +580,7 @@ let compute_bl_tact mode bl_scheme_key ind lnamesparrec nparrec =
                      Tacticals.New.tclTRY (
                       Tacticals.New.tclORELSE reflexivity (Equality.discr_tac false None)
                      );
-                     Proofview.V82.tactic (simpl_in_hyp (freshz,Locus.InHyp));
+                     simpl_in_hyp (freshz,Locus.InHyp);
 (*
 repeat ( apply andb_prop in z;let z1:= fresh "Z" in destruct z as [z1 z]).
 *)
@@ -724,7 +724,7 @@ let compute_lb_tact mode lb_scheme_key ind lnamesparrec nparrec =
                       Tacticals.New.tclORELSE reflexivity (Equality.discr_tac false None)
                      );
                      Equality.inj None false None (mkVar freshz,NoBindings);
-		     intros; (Proofview.V82.tactic simpl_in_concl);
+		     intros; simpl_in_concl;
                      Auto.default_auto;
                      Tacticals.New.tclREPEAT (
                       Tacticals.New.tclTHENLIST [apply (andb_true_intro());
@@ -901,7 +901,7 @@ let compute_dec_tact ind lnamesparrec nparrec =
             let freshH3 = fresh_id (Id.of_string "H") gl in
             Tacticals.New.tclTHENLIST [
 	      simplest_right ;
-              Proofview.V82.tactic (unfold_constr (Lazy.force Coqlib.coq_not_ref));
+              unfold_constr (Lazy.force Coqlib.coq_not_ref);
               intro;
               Equality.subst_all ();
               assert_by (Name freshH3)