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RE: [CSS21] out of range unicode escapes

From: Paul Nelson (ATC) <paulnel@winse.microsoft.com>
Date: Fri, 12 Jan 2007 07:35:59 -0800
Message-ID: <49C257E2C13F584790B2E302E021B6F9123162D9@winse-msg-01.segroup.winse.corp.microsoft.com>
To: Bjoern Hoehrmann <derhoermi@gmx.net>, <www-style@w3.org>

Any data outside the range of valid Unicode is not defined. To be consistent with handling bad UTF-8, we should probably specify changing it into the replacement character.

Paul

-----Original Message-----
From: www-style-request@w3.org [mailto:www-style-request@w3.org] On Behalf Of Bjoern Hoehrmann
Sent: Friday, January 12, 2007 6:52 AM
To: www-style@w3.org
Subject: [CSS21] out of range unicode escapes


Hi,

  The current CSS 2.1 draft does not address handling of Unicode escapes
that appear to be above U+10FFFF like \FFFFFF. Such a sequence could be
interpreted as 5-digit escape followed by 'F', or be considered invalid,
or handled as if it was the replacement character \FFFD, or in other
ways. Implementations do not agree on how to handle this case.

regards,
-- 
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
Weinh. Str. 22 · Telefon: +49(0)621/4309674 · http://www.bjoernsworld.de
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Received on Friday, 12 January 2007 15:35:29 GMT

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