[<user name>] where <user name> is case sensitive.
[admin ] [link|/forums/render/user?username=admin|admin]
[ben_tilly ] [link|/forums/render/user?username=ben_tilly|ben_tilly]
[Another Scott ] [link|/forums/render/user?username=Another+Scott|Another Scott]
Note: spaces in examples above (' ]') for display purposes only; I don't have a 'no izCodes' switch in yet.