Re: [csswg-drafts] [css-nesting-1] Does nesting affect forgiveness of selector lists in the parent. (#7975) from Romain Menke via GitHub on 2022-10-28 (public-css-archive@w3.org from October 2022)

From: Romain Menke via GitHub <sysbot+gh@w3.org>
Date: Fri, 28 Oct 2022 19:03:59 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-1295353080-1666983837-sysbot+gh@w3.org>

Already answered here : https://twitter.com/tabatkins/status/1585758988691378176

@jonathantneal said :

>Regarding selector validity and out of curiosity, what would this do?
>```css
>:root, :falkor {
>  :is(&) {
>    background: green;
>  }
>}
>```
>Do unforgiving rules on top-level selectors prevent their nested rule from ever being considered? If so, should polyfills be super duper careful here?

@tabatkins said :

> The `:falkor` invalidates the entire parent rule and all its contents, so we never even get to worrying about substitution.

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Received on Friday, 28 October 2022 19:04:01 UTC