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Re: [css2.1] IRIs

From: Bjoern Hoehrmann <derhoermi@gmx.net>
Date: Mon, 21 Mar 2005 19:30:12 +0100
To: "Michel Suignard" <michelsu@windows.microsoft.com>
Cc: www-style@w3.org
Message-ID: <42781040.1099309671@smtp.bjoern.hoehrmann.de>

* Michel Suignard wrote:
>> Again, RFC 3987 would require that
>> 
>>   @charset "iso-8859-1";
>>   element { background-image: url(Bjo\000308rn) }
>> 
>> yields in a request for Bj%C3%B6rn and that
>> 
>>   @charset "utf-8";
>>   element { background-image: url(Bjo\000308rn) }
>> 
>> yields in a request for Bjo%CC%88rn.
>
>Note that RFC 3987 NFC normalization is a 'SHOULD'. So strictly speaking
>the first value is conformant. It is recommended to use NFC (see the RFC
>section 5.3.2.2) because it will facilitate identity matching. Not
>putting the NFC normalization requirement on a spec using IRI (de facto
>or de jure) is really just hurting that spec.

Yes, the problem is that IRI->URI conversion requires normalization
which is inconsistent with deployed software and specifications and
could thus hinder adopting IRIs in CSS 2.1.
-- 
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
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Received on Monday, 21 March 2005 18:30:30 GMT

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