(while files
(setq file (expand-file-name (substitute-in-file-name (car files)))
;;>> un*x specific <<
- tofile (concat file "~"))
+ ;; The "+" used to be "~", which is an extremely poor choice;
+ ;; it might accidentally be deleted when space is low
+ ;; (as happened to me!).
+ tofile (concat file "+"))
;; If getting from mail spool directory,
;; use movemail to move rather than just renaming,
;; so as to interlock with the mailer.