Re: Rev81: CHANGE: Sect. 11.1 Basic Authentication

> Change:
> 	userid = [ token ]
> To:
>	userid = *TEXTnocolon
>	TEXTnocolon = <any OCTET except CTLs and ":",
>			but including LWS>

I think you're better off just saying

	userid = <*TEXT excluding any ":">

presuming that even shift-JIS user-IDs will be allowed using RFC 1522
encoding, just as with other TEXT fields.