Detect "remove applet"

[Loban A Rahman <loban earthling net>]

How can I detect when a user chooses to "remove an applet", and attach a
callback to it? I'd like to do some cleanup before the applet exists.

Cheers,
Loban

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|   Loban Amaan Rahman  <-- anagram of -->  Aha! An Abnormal Man!   |
| loban earthling net, loban caltech edu,  http://loban.caltech.edu |
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