+;; FIXME: This should be a temporary workaround until someone implements a
+;; proper solution. If a crash happens while replying, the auto-save file
+;; will *not* have a `References:' header if `message-generate-headers-first'
+;; is nil. See: http://article.gmane.org/gmane.emacs.gnus.general/51138
+(defcustom message-generate-headers-first '(references)