@section Various Message Variables
@table @code
+@item message-default-charset
+@vindex message-default-charset
+@cindex charset
+Symbol naming a @sc{mime} charset. Non-ASCII characters in messages are
+assumed to be encoded using this charset. The default is @code{nil},
+which means ask the user. (This variable is used only on non-@sc{mule}
+Emacsen.
+@xref{Charset Translation, , Charset Translation, emacs-mime,
+ Emacs MIME Manual}, for details on the @sc{mule}-to-@sc{mime}
+translation process.
+
@item message-signature-separator
@vindex message-signature-separator
Regexp matching the signature separator. It is @samp{^-- *$} by