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Re: [selectors] Finding a way to run "complete" profile selectors in CSS

From: Timmy <timmywillisn@gmail.com>
Date: Fri, 12 Jul 2013 14:18:22 -0400
Cc: www-style list <www-style@w3.org>
Message-Id: <E90F7F5C-B6B4-493E-BC8F-03367C7F34F8@gmail.com>
To: Tab Atkins Jr. <jackalmage@gmail.com>

On Jul 12, 2013, at 2:03 PM, Tab Atkins Jr. <jackalmage@gmail.com> wrote:

> Then random selectors across your stylesheet would run slowly, and it
> would be difficult to tell what was happening unless you were very
> familiar with what things are in what profile.

This is true, but it is a trade-off. There is also confusion if selectors are ever moved from the complete profile to the fast profile or if there's any ambiguity about which selectors should be deferred. Is it a syntax error to put selectors in the fast profile in the @defer at-rule? What happens when they get switched? Do fast selectors get deferred in the @defer rule even though they don't need to be? These are questions that don't matter if the selectors that need to be deferred get deferred automatically and the user has opted into that behavior.

- Timmy
Received on Friday, 12 July 2013 18:18:52 UTC

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