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-rw-r--r--theories/MSets/MSetRBT.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/MSets/MSetRBT.v b/theories/MSets/MSetRBT.v
index b838495f9..92ad2fcfb 100644
--- a/theories/MSets/MSetRBT.v
+++ b/theories/MSets/MSetRBT.v
@@ -452,7 +452,7 @@ Local Notation Bk := (Node Black).
Local Hint Immediate MX.eq_sym.
Local Hint Unfold In lt_tree gt_tree Ok.
Local Hint Constructors InT bst.
-Local Hint Resolve MX.eq_refl MX.eq_trans MX.lt_trans @ok.
+Local Hint Resolve MX.eq_refl MX.eq_trans MX.lt_trans ok.
Local Hint Resolve lt_leaf gt_leaf lt_tree_node gt_tree_node.
Local Hint Resolve lt_tree_not_in lt_tree_trans gt_tree_not_in gt_tree_trans.
Local Hint Resolve elements_spec2.