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-rw-r--r--library/nametab.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/nametab.ml b/library/nametab.ml
index fd27ef264..7eb48a714 100644
--- a/library/nametab.ml
+++ b/library/nametab.ml
@@ -240,7 +240,7 @@ let shortest_qualid ctx uname tab =
let push_node node l =
match node with
- | Absolute (_,o) | Relative (_,o) when not (List.mem o l) -> o::l
+ | Absolute (_,o) | Relative (_,o) when not (List.mem_f E.equal o l) -> o::l
| _ -> l
let rec flatten_idmap tab l =