[Bug 26595] [Shadow]: A shadow host will receive an event, which must be *stopped*, if a node in a older shadow tree is distributed into a shadow insertion point in the younger tree
[Bug 26595] New: [Shadow]: A shadow host will receives an event, which must be *stopped*, if a node in a older shadow tree is distributed into a shadow insertion point in the younger tree
[Bug 26643] New: Figure out how "If a reflecting IDL attribute has the type HTMLElement, or an interface that descends from HTMLElement" should work in the context of shadow dom.
[Bug 26845] New: "All other HTML elements in the shadow trees must behave as if they were part of the document tree." does not deal with the case when the host is not in the document tree