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[Bug 20567] Change [[Prototype]] for concept-node-adopt?

From: <bugzilla@jessica.w3.org>
Date: Tue, 06 Aug 2013 20:19:53 +0000
To: public-script-coord@w3.org
Message-ID: <bug-20567-3890-WhCJ4NDVFp@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20567

--- Comment #29 from Boris Zbarsky <bzbarsky@mit.edu> ---
Option 1 requires that adopted nodes never have their wrappers collected,
otherwise GC effects become observable (as in Safari; see
http://lists.w3.org/Archives/Public/www-dom/2012OctDec/0149.html ).  That's not
that great either.

It also means that it will become possible to test which nodes in a subtree
have been touched from JS before by adopting the entire subtree into a
different document and seeing which objects didn't change proto chains.  Not
sure that's a huge problem in practice, but it introduces non-determinism that
seems pretty unfortunate.

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