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Selectors, vendor prefixes (again...) and IE9

From: Daniel Glazman <daniel.glazman@disruptive-innovations.com>
Date: Fri, 14 May 2010 11:26:53 +0200
Message-ID: <4BED175D.2020100@disruptive-innovations.com>
To: "www-style@w3.org" <www-style@w3.org>
IE9 implements all of CSS 3 Selectors and is said to pass 100%
of the Selectors Test Suite [1]. Mucho mucho congrats to the IE9 Team.

But it also implements ::selection, a pseudo-element originally
in the first drafts of Selectors but that was later removed [2] because
its difficult specification was putting the whole thing at risk.

That means that at this time, ::selection is NOT standard,
that the Microsoft spec behind ::selection is definitely an interesting
contribution to the future standardization debate but it's also
potentially NOT the final specification for that feature. In other
terms, that ::selection should really be a ::-ms-selection until the
CSS Working Group reaches consensus on that. On a side note, and unless
I missed a message, the spec for that implementation by Microsoft of
::selection was not submitted to the CSS Working Group for discussion.

[2] http://www.w3.org/TR/css3-selectors/#selection

W3C CSS WG, Co-chairman
Received on Friday, 14 May 2010 09:28:18 UTC

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