Re: [csswg-drafts] [css-conditional-5] Add ability to test for at-rule preludes (#6966)

> @emilio after the meetings, you mentioned it might be possible to do strict parsing of query syntaxes inside `@supports` - eg failing on unknown queries? Does that seems like a viable approach that doesn't require too much special casing?

Could we make `<general-enclosed>` and parts of media/container queries that are unknown, including unrecognized media type fail the `@supports at-rule()` query?

We resolved on a similar behavior for forgiving selectors for `@supports selector()`.


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Received on Thursday, 15 December 2022 14:13:03 UTC