* test/src/keymap-tests.el (keymap-lookup-key/menu-non-symbol):
New test.
(should (eq (lookup-key map [menu-bar γ bar]) 'baz))
(should (eq (lookup-key map [menu-bar Γ Bar]) 'baz))))
+(ert-deftest keymap-lookup-key/menu-non-symbol ()
+ "Test for Bug#51527."
+ (let ((map (make-keymap)))
+ (define-key map [menu-bar buffer 1] 'foo)
+ (should (eq (lookup-key map [menu-bar buffer 1]) 'foo))))
+
(ert-deftest keymap-lookup-keymap/with-spaces ()
"Backwards compatibility behaviour (Bug#50752)."
(let ((map (make-keymap)))