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-rw-r--r--interp/notation.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/interp/notation.ml b/interp/notation.ml
index f3ecbd446f..424cb93ef7 100644
--- a/interp/notation.ml
+++ b/interp/notation.ml
@@ -288,7 +288,7 @@ let rec find_without_delimiters find (ntn_scope,ntn) = function
let declare_notation_level ntn level =
if Gmap.mem ntn !notation_level_map then
- error ("Notation "^ntn^" is already assigned a level");
+ anomaly ("Notation "^ntn^" is already assigned a level");
notation_level_map := Gmap.add ntn level !notation_level_map
let level_of_notation ntn =