in reply to Downloading a file to XP Home changes the extenstion

This smells like a browser that's not following the standard correctly. All you can do is ask them to use a different browser, or find the bizzare combination of config options that created this behavior.

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I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
-- Schemer

:(){ :|:&};:

Note: All code is untested, unless otherwise stated