Function: message-make-references
message-make-references is a byte-compiled function defined in
message.el.gz.
Signature
(message-make-references)
Documentation
Return the References header for this message.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defun message-make-references ()
"Return the References header for this message."
(when message-reply-headers
(let ((message-id (mail-header-id message-reply-headers))
(references (mail-header-references message-reply-headers)))
(if (or references message-id)
(concat (or references "") (and references " ")
(or message-id ""))
nil))))