Casefolding Sigma (was: Re: IDNAbis Preprocessing Draft)

Vint Cerf vint at
Tue Jan 22 13:29:51 CET 2008

ietf will be blamed for every abuse that can be traced to overly  
permissive application of Unicode. Every design choice IS policy,  
even if you do not seem to see it that way.


On Jan 22, 2008, at 3:31 AM, Stephane Bortzmeyer wrote:

> On Mon, Jan 21, 2008 at 11:33:26PM -0500,
>  Vint Cerf <vint at> wrote
>  a message of 80 lines which said:
>> please keep in mind that the purpose for Domain Names is
>> identifiers, not necessarily orthographically correct natural
>> language.
> Please keep in mind that the job of IETF is to provide protocols, not
> policy, and that the semantic issues (such as the risk of confusion
> between and or between and
> are completely off-topic for the IETF.
> I do not see why we should prevent the greek to write names in their
> own scripts, with their own rules (such as the final sigma rule).

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