bring back a TODO (again?)

cb9adddc · Ralf Jung · c905411d · cb9adddc
Commit cb9adddc authored Feb 25, 2016 by Ralf Jung
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barrier/proof.v barrier/proof.v +1 -1

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--- a/barrier/proof.v
+++ b/barrier/proof.v
@@ -52,7 +52,7 @@ Definition recv (l : loc) (R : iProp) : iProp :=
    saved_prop_own i Q ★ ▷ (Q -★ R))%I.

 (** Setoids *)
-(* These lemmas really ought to be doable by just calling a tactic.
+(* TODO: These lemmas really ought to be doable by just calling a tactic.
   It is just application of already registered congruence lemmas. *)
 Global Instance waiting_ne n : Proper (dist n ==> (=) ==> dist n) waiting.
 Proof. intros P P' HP I ? <-. rewrite /waiting. by setoid_rewrite HP. Qed.