W3C home > Mailing lists > Public > www-style@w3.org > June 2011

Re: Unicode normalization in CSS

From: L. David Baron <dbaron@dbaron.org>
Date: Tue, 21 Jun 2011 13:24:28 -0700
To: "Phillips, Addison" <addison@lab126.com>
Cc: "Martin J. Dürst" <duerst@it.aoyama.ac.jp>, Anne van Kesteren <annevk@opera.com>, "public-i18n-core@w3.org" <public-i18n-core@w3.org>, "www-style@w3.org" <www-style@w3.org>
Message-ID: <20110621202428.GA30791@pickering.dbaron.org>
On Tuesday 2011-06-21 11:44 -0700, Phillips, Addison wrote:
> Generally speaking, I agree. However, the likelihood of and
> reasonableness of normalizing documents during the parsing stage
> is under question. Normalizing documents on-load may interfere
> with the user's intentions. Additionally, user-agents haven't
> imposed normalization for reasons (realistic or imagined) of
> performance.

I am *much* more concerned about the performance of normalizing
during selector matching than before parsing.  I think it's highly
likely that normalizing during selector matching would be an
unacceptable performance hit.  But I'd need to measure how bad
normalizing immediately after encoding conversion would be.


L. David Baron                                 http://dbaron.org/
Mozilla Corporation                       http://www.mozilla.com/
Received on Tuesday, 21 June 2011 20:25:08 UTC

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