-

[gnu-emacs] / lisp / mail / rmail.el

diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 05511a845404ab6a65e8c397d8ed33cddfe4671c..5464c38af76fce98e59a41c0c35e055d88c9e707 100644 (file)
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -694,8 +694,9 @@ Element N specifies the summary line for message N+1.")
 This is set to nil by default.")
 
 (defcustom rmail-get-coding-function nil
-  "Function of no args to try to determine coding system for a message."
-  :type 'function
+  "Function of no args to try to determine coding system for a message.
+If nil, just search for `rmail-mime-charset-pattern'."
+  :type '(choice (const nil) function)
   :group 'rmail
   :version "24.4")