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Re: [CSSWG][css-contain] PR of CSS Containment Module Level 1; FPWD of Level 2

From: Janina Sajka <janina@rednote.net>
Date: Tue, 15 Oct 2019 09:07:06 -0400
To: public-cognitive-a11y-tf@w3.org
Cc: Personalization tf <public-personalization-tf@w3.org>
Message-ID: <20191015130316.GG2439@rednote.net>
If I understand this correctly, it might be a mechanism for several COGA
WCAG SC such as page navigation and simplification SC.

As an FPWD there should be adequate time to get the COGA needs met, if
my understanding is correct.


Florian Rivoal writes:
> The CSS WG has published a Proposed Recommendation of the CSS Containment Module Level 1:
>     https://www.w3.org/TR/css-contain-1/
> This CSS module describes the contain property, which indicates that the element’s subtree is independent of the rest of the page. This enables heavy optimizations by user agents when used well.
> This document is intended to become a W3C Recommendation. This
> document will remain a Proposed Recommendation at least until 13 November 2019
> in order to ensure the opportunity for wide review. The W3C
> Membership and other interested parties are invited to review
> the document and send comments. Advisory Committee Representatives
> should respond to the corresponding WBS questionnaire:
>   https://www.w3.org/2002/09/wbs/33280/css-contain-1-pr/
> Significant changes are listed at:
>   https://www.w3.org/TR/2019/PR-css-contain-1-20191015/#2019-04-30-changes
> Disposition of comments:
>   https://drafts.csswg.org/css-contain-1/issues-2019-cr.html
> Implementation Report:
>   https://drafts.csswg.org/css-contain-1/implementation-report-2019-09
> The CSS WG has also published a First Public Working Draft of CSS Containment level 2:
>  https://www.w3.org/TR/css-contain-2/
> This is initially identical to level 1 discussed above, except that it
> retains an at-risk feature that was dropped from level 1 during the CR
> period: style containment. This extends the concept—and benefits—of
> containment to features like the counter-increment property or like
> content:open-quote, which can otherwise have effects on more than just
> an element and its descendants.
> Please review the drafts, and send any comments to this mailing list,
> <www-style@w3.org>, prefixed with [css-contain] (as I did on this
> message) or (preferably) file them in the GitHub repository at
>   https://github.com/w3c/csswg-drafts/issues
> For the CSS WG,
> —Florian Rivoal


Janina Sajka

Linux Foundation Fellow
Executive Chair, Accessibility Workgroup:	http://a11y.org

The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
Chair, Accessible Platform Architectures	http://www.w3.org/wai/apa
Received on Tuesday, 15 October 2019 13:07:13 UTC

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