This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.
It is not clear whether this section is just introducing the topic or wants to make normative statements (it doesn't). Also, shouldn't the first *active* shadow insertion point be picked rather than just the first? What if there are no shadow insertion points?
Fixed. I think new spec defines that clearly. https://dvcs.w3.org/hg/webcomponents/rev/dbf47f602628