Fix mail-user-agent defcustom type

* lisp/simple.el (mail-user-agent): Any symbol can be used as the
value (bug#50460).

diff --git a/lisp/simple.el b/lisp/simple.el
index 800a9279037984b2b30f3bf2b94bdbe524dd3a62..9e29241cc7009fca50993de1767cf89167c44cf5 100644 (file)
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -8730,7 +8730,7 @@ See also `read-mail-command' concerning reading mail."
                (function-item :tag "Message with full Gnus features"
                               :format "%t\n"
                               gnus-user-agent)
-               (function :tag "Other"))
+               (symbol :tag "Other"))
   :version "23.2"                       ; sendmail->message
   :group 'mail)