Re: [csswg-drafts] [css-conditional-3] Remove "unknown" value concept (#6312)

Investigating a bit more, looks like Chromium already behaves according to the new spec text. The reason Chromium appears to evaluate `not fn()` to false in the [demo](url) is because `not fn()` is actually invalid grammar. (`<any-value>`, requires **one or more** tokens).

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Received on Tuesday, 8 June 2021 11:56:22 UTC