Variable: rmail-secondary-file-regexp

rmail-secondary-file-regexp is a customizable variable defined in rmail.el.gz.

Value

"\\.xmail\\'"

Documentation

Regexp for which files are secondary Rmail files.

View in manual

Probably introduced at or before Emacs version 19.23.

Source Code

;; Defined in /usr/src/emacs/lisp/mail/rmail.el.gz
;;;###autoload
(defcustom rmail-secondary-file-regexp "\\.xmail\\'"
  "Regexp for which files are secondary Rmail files."
  :type 'regexp
  :group 'rmail-files)