Re: [EAI] NFC/NFD (Re: Test - driven schedule (Re: Rechartering))

John C Klensin <klensin@jck.com> Fri, 24 July 2009 08:35 UTC

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Date: Fri, 24 Jul 2009 04:34:09 -0400
From: John C Klensin <klensin@jck.com>
To: Harald Alvestrand <harald@alvestrand.no>, Shawn Steele <Shawn.Steele@microsoft.com>
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Subject: Re: [EAI] NFC/NFD (Re: Test - driven schedule (Re: Rechartering))
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--On Friday, July 24, 2009 09:22 +0200 Harald Alvestrand
<harald@alvestrand.no> wrote:

>>...
>> I think that's fairly irrelevent.  It won't break the RFCs
>> for the rest of the system.  It'd only break servers that
>> registered both NFC and NFD (or similar variations) of names.
>> Then they'd pretty much deserve to be broken :)
>>   
> The more dangerous brokenness is the business card data entry
> situation, where people enter an address from a business card
> and get a "no such mailbox" response, without there being any
> visual difference between the two strings.
> 
> Requiring normalization at the server (without placing a
> requirement on what one normalizes to) would at least remove
> this class of issue.

Exactly.
     john