Re: [csswg-drafts] [css-values-4] `round(line-width, ...)` specification is confusing (#13794)

Because omitting B is invalid for `nearest` when A is not a `<number>`,
so `round(nearest, -1px)` is invalid, and `round(nearest, -1px, 0.5px)` is `-1px`.

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Received on Thursday, 7 May 2026 12:35:00 UTC