Re: [csswg-drafts] [css-nesting-1] Relaxed nesting and var() (#9317) from Devon Govett via GitHub on 2023-09-17 (public-css-archive@w3.org from September 2023)

From: Devon Govett via GitHub <sysbot+gh@w3.org>
Date: Sun, 17 Sep 2023 18:43:23 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-1722539651-1694976201-sysbot+gh@w3.org>

Am I understanding correctly that

```css
div {
  button:focus {
    color: var(--x);
  }
}
```

would be parsed as a rule but

```css
div {
  --button:focus {
    color: var(--x);
  }
}
```

would be parsed as a declaration?

That second one is parseable as a rule outside of nesting today. Maybe not a problem if element names can't start with `--`. Looks like [custom selectors](https://drafts.csswg.org/css-extensions/#custom-selectors) also require a leading `:`.

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Received on Sunday, 17 September 2023 18:43:25 UTC