(mail-from-style): Rename new alternative to `system-default'.

diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index f5a955530748e05e42c2674995b962304444cf77..4e2ce685ca549a44168e58841bfe9b8a053b0c6b 100644 (file)
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -43,8 +43,9 @@ If `parens', they look like:
        king@grassland.com (Elvis Parsley)
 If `angles', they look like:
        Elvis Parsley <king@grassland.com>
-If `default', Rmail allows the system to insert its default From field."
-  :type '(choice (const nil) (const parens) (const angles) (const default))
+If `system-default', Rmail allows the system to insert its default From field."
+  :type '(choice (const nil) (const parens) (const angles)
+                (const system-default))
   :version "20.3"
   :group 'sendmail)