articles -- apologize to SUTO-san, it has been supported in his original code,
but I didn't.
;; Replace with the gathered references.
(when references
+ (push-mark beg)
(save-restriction
(message-narrow-to-headers)
(let ((case-fold-search t))
'(References . message-shorten-references)))
(list (cons 'References
(mapconcat 'identity references " "))))
- (backward-delete-char 1)))
+ (backward-delete-char 1))
+ (setq beg (mark t))
+ (pop-mark))
(goto-char beg)))