referencing IDNA2008 (and IDNA2003?)

Peter Saint-Andre stpeter at
Thu Oct 21 23:15:59 CEST 2010

On 10/21/10 3:08 PM, Andrew Sullivan wrote:
> On Thu, Oct 21, 2010 at 03:05:32PM -0600, Peter Saint-Andre wrote:
>> In which case, perhaps all we really need is text to the effect that
>> "when you're comparing two domain names (e.g., comparing a
>> domain-attribute against a request-host), you need to do so in a way
>> that ensures that the two strings really are equivalent; either IDNA2003
>> or IDNA2008 will serve this purpose, and which approach to use is a
>> matter of implementation".
> Why not just say that you should use whatever IDNA rules the
> application implements, following all the rules for domain comparison
> in that implementation?

That's what I meant to say, but I said it less well than you did. :)

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