* mime-play.el (mime-play-entity): Use return value of

* mime-play.el (mime-play-entity): Use return value of
 `mime-entity-situation' to get content type information;
 Fix problem when method is invoked at menu selection;
 Fix the message displayed on echo buffer when no method is specified;
 Clear minibuffer after `y-or-n-p'.

* semi-def.el (mime-should-use-popup-menu) [Emacs]: Use
 `event-basic-type' instead of `event-modifiers' to detect mouse operation.