* Code common to all display handlers. Given a message number and a MIME
* type, we load the message and hunt for that MIME type. If found, we load
* the relevant part, deserialize it into a libical component, filter it for
* the requested object type, and feed it to the specified handler.
* Code common to all display handlers. Given a message number and a MIME
* type, we load the message and hunt for that MIME type. If found, we load
* the relevant part, deserialize it into a libical component, filter it for
* the requested object type, and feed it to the specified handler.