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-rw-r--r--tactics/extratactics.ml42
1 files changed, 1 insertions, 1 deletions
diff --git a/tactics/extratactics.ml4 b/tactics/extratactics.ml4
index 92682fc7a..f311e47f6 100644
--- a/tactics/extratactics.ml4
+++ b/tactics/extratactics.ml4
@@ -315,7 +315,7 @@ let project_hint pri l2r r =
| _ -> assert false in
let p =
if l2r then build_coq_iff_left_proj () else build_coq_iff_right_proj () in
- let c = Reductionops.whd_beta Evd.empty (mkApp (c,Context.extended_rel_vect 0 sign)) in
+ let c = Reductionops.whd_beta Evd.empty (mkApp (c, Context.Rel.to_extended_vect 0 sign)) in
let c = it_mkLambda_or_LetIn
(mkApp (p,[|mkArrow a (lift 1 b);mkArrow b (lift 1 a);c|])) sign in
let id =