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-rw-r--r--src/Util/Notations.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Util/Notations.v b/src/Util/Notations.v
index 4eadbdf26..3f8c6810c 100644
--- a/src/Util/Notations.v
+++ b/src/Util/Notations.v
@@ -9,6 +9,7 @@ Require Export Crypto.Util.GlobalSettings.
Coq's parser. *)
Reserved Notation "x -> y" (at level 99, right associativity, y at level 200).
+Reserved Notation "()" (at level 0).
Reserved Infix "=?" (at level 70, no associativity).
Reserved Infix "!=?" (at level 70, no associativity).
Reserved Infix "?=" (at level 70, no associativity).