[Webkit-unassigned] [Bug 233380] CSS :scope pseudo selector doesn't work in shadowRoot.querySelectorAll

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=233380

--- Comment #7 from Emilio Cobos Álvarez (:emilio) <emilio at crisal.io> ---
I'll go through this and the relevant Firefox bug next Monday, but in any case a document fragment never matches any selector. In the context of a shadow tree only :host can match the shadow host, and it is a featureless element so it should not match scope.

It could match :host(:scope) though, maybe... I haven't checked whether that works in any browser.

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