tree ee549a8e672389624fc58bd67494a82775c392e2
parent 1693ffec94dea7a429917203c0f5992539183433
author Gerben <gerben@treora.com> 1588950660 +0200
committer Gerben <gerben@treora.com> 1592489572 +0200

Fix handling ownerDocument, fix Range type test

node.ownerDocument can of course be null if and (I suppose!) only if the
node is itself the Document. Handle correctly.

To check if an object is a Range, test for .collapsed instead of
.commonAncestorContainer so we can support StaticRange too.