[cosmo-dev] Bug 11175: : in username causes chaos

[Randy Letness]

>> Given this I'd like to propose that we officially disallow : in
>> Chandler Server usernames. Any thoughts?
>>     
>
> it would be extremely lame to have the acceptable syntax be "any utf-8
> character except colon". imo it should either be "any utf-8" character
> or something very restrictive and url-safe like [A-Za-z0-9\0_]
 +1 to dissalowing ':' and any other weird characters that cause 
problems.  And +1 to dissallowing 'tvachon' as a username.

-Randy