apple's docs seem to indicate that you should use launch services these
days, and that internet config is dead in the water. but there's
several things i'd like to do that don't seem to be possible with launch
services. for example, mapping a mime type to its preferred application
and an icon. it's useful for e-mail and usenet apps.
say i encounter an rfc822 message, which includes e-mail messages and
usenet articles, with a mime attachment. i want to put up a picture
button that has the file type's icon on it that, when pressed, writes
the attachment out to ...