Special characters in nicknames

How can I use special characters (e.g. [<]{>}|) in my nickname?
Open up

Under the  header, find: Language=eng

and change it to: Language=int

Now do the same thing for:

If the 'eng' line doesn't exist in  ignore the step. Congrats, you can now enter your tags again.

By the way, if the server is running a UK version, this fix should also be applied on that by making the same changes on: