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

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

--- Comment #13 from Boris Zbarsky <bzbarsky@mit.edu> ---
> The only chance then to upgrade x-foo is when I insert it into the
> main document.

Insert, or adopt?  In that situation, upgrading on adopt, as long as upgrading
can't fail, would be quite easy to do.

So this situation is somewhat orthogonal to what happens for nodes that already
have the same ownerDocument and then get inserted somewhere.

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Received on Tuesday, 2 April 2013 01:02:37 UTC