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

[Mike Taylor]

On Nov 26, 2007, at 4:59 PM, Travis Vachon wrote:

> On Nov 26, 2007, at 1:39 PM, Brian Moseley wrote:
>>
>>> 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_].
>
> I agree it would be kind of ugly to say this, but given that we have  
> some production accounts with unicode in the usernames we'd need to  
> discuss a coherent policy for moving away from newly-unsupported  
> characters. Given that we have a few other unicode-in-username bugs  
> this might not actually effect too many users. Jared - any thoughts  
> or insights on what kind of an end-user impact moving to only url- 
> safe characters in usernames might have?


Remember that work is proceeding on allowing UTF-8 in URI's (to be  
called IRI):

	http://www.w3.org/International/O-URL-and-ident.html

the : is listed as a reserved character in RFC2396 (Section 2.2):

	ftp://ftp.isi.edu/in-notes/rfc2396.txt


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