3 files changed, 9 insertions, 7 deletions
diff --git a/plugins/ltac/g_tactic.ml4 b/plugins/ltac/g_tactic.ml4
index d792d4ff7..e68140828 100644
--- a/plugins/ltac/g_tactic.ml4
+++ b/plugins/ltac/g_tactic.ml4
@@ -115,10 +115,11 @@ let mk_fix_tac (loc,id,bl,ann,ty) =
     match bl,ann with
         [([_],_,_)], None -> 1
       | _, Some x ->
-          let ids = List.map snd (List.flatten (List.map pi1 bl)) in
+          let ids = List.map snd (List.flatten (List.map (fun (nal,_,_) -> nal) bl)) in
           (try List.index Names.Name.equal (snd x) ids
           with Not_found -> user_err Pp.(str "No such fix variable."))
       | _ -> user_err Pp.(str "Cannot guess decreasing argument of fix.") in
+  let bl = List.map (fun (nal,bk,t) -> CLocalAssum (nal,bk,t)) bl in
   (id,n, CAst.make ~loc @@ CProdN(bl,ty))
 
 let mk_cofix_tac (loc,id,bl,ann,ty) =
@@ -126,6 +127,7 @@ let mk_cofix_tac (loc,id,bl,ann,ty) =
     user_err ~loc:aloc
       ~hdr:"Constr:mk_cofix_tac"
       (Pp.str"Annotation forbidden in cofix expression.")) ann in
+  let bl = List.map (fun (nal,bk,t) -> CLocalAssum (nal,bk,t)) bl in
   (id,CAst.make ~loc @@ CProdN(bl,ty))
 
 (* Functions overloaded by quotifier *)
@@ -160,7 +162,7 @@ let mkTacCase with_evar = function
 let rec mkCLambdaN_simple_loc ?loc bll c =
   match bll with
   | ((loc1,_)::_ as idl,bk,t) :: bll ->
-      CAst.make ?loc @@ CLambdaN ([idl,bk,t],mkCLambdaN_simple_loc ?loc:(Loc.merge_opt loc1 loc) bll c)
+      CAst.make ?loc @@ CLambdaN ([CLocalAssum (idl,bk,t)],mkCLambdaN_simple_loc ?loc:(Loc.merge_opt loc1 loc) bll c)
   | ([],_,_) :: bll -> mkCLambdaN_simple_loc ?loc bll c
   | [] -> c
 
diff --git a/plugins/ltac/pptactic.ml b/plugins/ltac/pptactic.ml
index e5ff47356..4f430b79e 100644
--- a/plugins/ltac/pptactic.ml
+++ b/plugins/ltac/pptactic.ml
@@ -353,9 +353,10 @@ let string_of_genarg_arg (ArgumentType arg) =
     let rec strip_ty acc n ty =
       match ty.CAst.v with
           Constrexpr.CProdN(bll,a) ->
-            let nb =
-              List.fold_left (fun i (nal,_,_) -> i + List.length nal) 0 bll in
-            let bll = List.map (fun (x, _, y) -> x, y) bll in
+            let bll = List.map (function
+            | CLocalAssum (nal,_,t) -> nal,t
+            | _ -> user_err Pp.(str "Cannot translate fix tactic: not only products")) bll in
+            let nb = List.fold_left (fun i (nal,t) -> i + List.length nal) 0 bll in
             if nb >= n then (List.rev (bll@acc)), a
             else strip_ty (bll@acc) (n-nb) a
         | _ -> user_err Pp.(str "Cannot translate fix tactic: not enough products") in
diff --git a/plugins/ltac/tacentries.ml b/plugins/ltac/tacentries.ml
index ee84be541..8112cc400 100644
--- a/plugins/ltac/tacentries.ml
+++ b/plugins/ltac/tacentries.ml
@@ -545,11 +545,10 @@ let print_located_tactic qid =
 (** Grammar *)
 
 let () =
-  let open Metasyntax in
   let entries = [
     AnyEntry Pltac.tactic_expr;
     AnyEntry Pltac.binder_tactic;
     AnyEntry Pltac.simple_tactic;
     AnyEntry Pltac.tactic_arg;
   ] in
-  register_grammar "tactic" entries
+  register_grammars_by_name "tactic" entries