This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.
Because the shadow DOM subtree host doesn't necessarily belong to document tree, we must make sure the styles normative language doesn't make this assumption.
http://dvcs.w3.org/hg/webcomponents/rev/7e2a454b0844 http://dvcs.w3.org/hg/webcomponents/rev/a1e2c6f44061
http://dvcs.w3.org/hg/webcomponents/rev/de71f9d4021a