css.types.attr - Missing `raw-string` data

[woody-li]

What type of issue is this?

Missing compatibility data

What information was incorrect, unhelpful, or incomplete?

It was resolved to replace string attr() type with raw-string in w3c/csswg-drafts#11645 (comment),

Specification: https://drafts.csswg.org/css-values-5/#attr-notation

What browsers does this problem apply to, if applicable?

No response

What did you expect to see?

Add the raw-string sub data of attr().

Did you test this? If so, how?

No

Can you link to any release notes, bugs, pull requests, or MDN pages related to this?

Chrome shipped it in version 136: https://chromestatus.com/feature/5191129693421568

Not found other data.

Do you have anything more you want to share?

No response

MDN URL

https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Values/attr

MDN metadata

MDN page report details

• Query: css.types.attr
• Report started: 2026-09-23T02:28:51.011Z