Re: [csswg-drafts] [css-nesting-1] Clarify valid position of `&` in a selector (#9940)

none of this is invalid:
- `::before, div`
- `&:first-child`

The `::before:first-child` branch can not match anything, but it isn't invalid in a way that it would also cause the `div:first-child` branch to become invalid.

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Received on Tuesday, 13 February 2024 12:09:08 UTC