[Webkit-unassigned] [Bug 249990] New: Selector argument for :nth-of-type or :nth-last-of-type should be rejected

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=249990

            Bug ID: 249990
           Summary: Selector argument for :nth-of-type or
                    :nth-last-of-type should be rejected
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ntim at apple.com

Apparently :nth-of-type(n of S) parses and also has associated matching logic. Ditto for :nth-last-of-type().

https://github.com/web-platform-tests/wpt/blob/add22a2f6c1f9efcc1eccc66b3e9ea9e8045a4b5/css/selectors/nth-of-007.html

The spec says it should not be supported: https://w3c.github.io/csswg-drafts/selectors/#nth-of-type-pseudo

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