Write year in subject line using four digits, not two.

diff --git a/lisp/calendar/diary-lib.el b/lisp/calendar/diary-lib.el
index 30aaa4ba28724e2ac6450b7d1a2e8721912a5c74..38bd01fa4ced9a046ba6f447a3d584139d709212 100644 (file)
--- a/lisp/calendar/diary-lib.el
+++ b/lisp/calendar/diary-lib.el
@@ -638,7 +638,7 @@ to run it every morning at 1am."
     (insert diary-mail-addr)
     (mail-subject)
     (insert "Diary entries generated ")
-    (insert (format-time-string "%a %d %b %y" (current-time)))
+    (insert (format-time-string "%a %d %b %Y" (current-time)))
     (mail-text)
     (insert text)
     (mail-send-and-exit nil)))