I was looking at this and waiting for Marcin to get back to me. 
I thought it might be easier to do on the client.
When a char above 80 is entered in a form the unicode character is sent
as a 2 byte encoded character but with no indication that it is a 2 byte
sequence. I just thought that a script that used the javascript
encode/charCodeAt could be used to create a "&#C582;" in the form field
before submitting which would solve the immediate problem. I just
couldn't work out how %C5%82 relates to the right unicode code point as
hex C582 represents the hangul syllable yahn. Oh well DC will probably
put me right on that.

Ciao Chris

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