[Bug 21485] [Custom]: Consider possible candidates of element upgrade

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21485

--- Comment #6 from Boris Zbarsky <bzbarsky@mit.edu> ---
At what point?

Currently, calling adoptNode on a node adopts the entire subtree rooted at that
node.

Adopting part of the subtree and then throwing an exception seems like a really
bad idea, because then you get a subtree of nodes which have different
ownerDocuments, which can't ever really happen.  In fact, it's a bad enough
idea that if that situation ever happens (which it can't per spec right now,
note) Gecko disconnects every single node in the subtree from all the other
nodes before throwing an exception...

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Received on Monday, 1 April 2013 17:44:38 UTC