Re: [csswg-drafts] UA stylesheets in CSS specs cause interop issues (#8959)

I still don't see how "this behavior difference is implemented via UA style rules" and "this behavior difference is implemented via a keyword that acts differently based on ~some magic~" are meaningfully different to anyone, in any context. Both of them change the expected behavior of the browser, and are testable; the sole difference is in whether the different behaviors are directly observable via the CSSOM or not. (And that is *very rarely* the precise thing you're testing.) That's absolutely not a difference that should result in us telling browsers they MUST NOT implement something, or in us drawing some funky distinction between the expected results of an `html/` test and a `css/` test.

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Received on Thursday, 15 June 2023 22:14:22 UTC