1 files changed, 2 insertions, 1 deletions

diff --git a/test/src/editfns-tests.el b/test/src/editfns-tests.el
index 54fb743e192..3073e371933 100644
--- a/test/src/editfns-tests.el
+++ b/test/src/editfns-tests.el
@@ -205,6 +205,7 @@
   (should (equal (should-error (format "a %$s b" 11))
                  '(error "Invalid format operation %$")))
   (should (equal (should-error (format "a %-1$s b" 11))
-                 '(error "Invalid format operation %$"))))
+                 '(error "Invalid format operation %$")))
+  (should (equal (format "%1$c %1$s" ?±) "± 177")))
 
 ;;; editfns-tests.el ends here