be redefined as predefined.
(Client-Specific Aux-Item Types): Likewise.
(komimportmail Aux-Item Types): Node removed.  Contents moved to
	"Aux-Item Types".
(Aux-Item Types): Added mx-mime-belongs-to [10100],
	mx-mime-part-in [10101], mx-mime-misc [10102],
	mx-envelope-sender [10103] and mx-mime-file-name [10104].