- From: Guillaume via GitHub <noreply@w3.org>
- Date: Wed, 10 Sep 2025 03:49:58 +0000
- To: public-css-archive@w3.org
cdoublev has just submitted a new pull request for https://github.com/w3c/csswg-drafts:
== [css-backgrounds-3][editorial] Negative values are invalid for 3rd `<shadow>` length ==
... as currently [specified](https://drafts.csswg.org/css-backgrounds-3/#typedef-shadow) in prose:
> **3rd `<length [0,∞]>`**
>
> Specifies the blur radius. Negative values are invalid.
... but the current syntax allows `1px 1px -1px` to match:
> `<shadow> = <color>? && [<length>{2} <length [0,∞]>? <length>?] && inset?`
... while this is invalid in mainstream browsers.
See https://github.com/w3c/csswg-drafts/pull/12761
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Received on Wednesday, 10 September 2025 03:49:59 UTC