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Re: [CSS21][css3-namespace][css3-page][css3-selectors][css3-content] Unicode Normalization

From: fantasai <fantasai.lists@inkedblade.net>
Date: Thu, 29 Jan 2009 16:15:32 -0800
Message-ID: <498246A4.4000507@inkedblade.net>
To: "L. David Baron" <dbaron@dbaron.org>
CC: public-i18n-core@w3.org, www-style@w3.org

L. David Baron wrote:
> On Thursday 2009-01-29 13:27 -0800, fantasai wrote:
>> Thanks for the tests and the report, Richard. Going from that, I think it
>> makes sense to require /not/ Unicode-normalizing CSS. It may be a bit
>> confusing indeed for people working in Vietnamese and other such languages,
>> but on the other hand behavior across browsers is interoperable right now.
>> If one browser started normalizing, then someone testing in that browser
>> would not notice that the page is broken in other UAs.
> In what parts of CSS might you want unicode normalization to be
> done?  The only case I can think of is selector matching that
> compares attribute values (or, in the future, text content).  And
> even then it seems like it might be helpful in some cases and
> harmful in others.
> (I tend to think we probably don't want it for selectors, both since
> we currently have interoperability, and since selectors are
> particularly performance-sensitive.)

We do normalization-sensitive string matching in the following cases:
   page names
   counter names
   namespace prefixes

Received on Friday, 30 January 2009 00:16:16 UTC

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