--- message.el	2002/12/29 18:33:35	6.266
+++ message.el	2002/12/30 15:15:00
@@ -3378,6 +3395,7 @@
 	  ;; require one newline at the end.
 	  (or (= (preceding-char) ?\n)
 	      (insert ?\n))
+	  (message-cleanup-headers)
 	  (when
 	      (save-restriction
 		(message-narrow-to-headers)