diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 62ad4f6b27f..5b3e71294a2 100644
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -83,6 +83,11 @@
   :prefix "rmail-"
   :group 'rmail)
 
+(defgroup rmail-edit nil
+  "Rmail editing."
+  :prefix "rmail-edit-"
+  :group 'rmail)
+
 
 (defcustom rmail-movemail-program nil
   "If non-nil, name of program for fetching new mail."