Re: [csswg-drafts] [css-conditional-4] Feature detection for descriptors (#2463)

@svgeesus At-rules such as `@keyframes` and `@scroll-timeline` require a name. Should this be included in the syntax?

E.g. 

This:

```css
@supports (@scroll-timeline name { scroll-offsets; }) {
                         /* ↑ timeline-name included */
}
```

Or that:

```css
@supports (@scroll-timeline { scroll-offsets; }) {
                         /* ↑ timeline-name not included */
}
```

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Received on Tuesday, 18 January 2022 14:18:24 UTC