or more generally it may be any kind of expression that returns
a file name as a string.")
+;; These duplicate defvars in rmail.el, for the sake of gnus.
+(defvar rmail-default-file nil
+ "*Default file name for \\[rmail-output].")
+(defvar rmail-default-rmail-file (expand-file-name "~/XMAIL")
+ "*Default file name for \\[rmail-output-to-rmail-file].")
+
(defun rmail-output-menu (event)
"Output current message to another Rmail file, chosen with a menu."
(interactive "e")