http://www.icyphoenix.com/viewtopic.php?f=35&t=4457&p=30142#p30142
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novice programmer
Wed 30 Jul, 2008 17:27

Re: How Do I Register The Name
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[quote user="Lopalong" post="30138"]I believe it's for security reasons that your name can only contain a-z, A-Z and 0-9 etc. ;)[/quote]

I remember something about encoing changes, but unable to find it... :(