No ticket: compress event.js
(cherry picked from commit 9cf812d7a28a08608eab30440102b00ebd3c2291)
Fix #13180: don't delegate into SVG <use>
(cherry picked from commits 36457cb6afc12d4a755cf93442a502783a669517..f860e0bd2f7dd228a14704d78ed5208cbe870d01)
Fix f860e0bd Firefox failures
(cherry picked from commit 0a3a424e65f66414305bf6a34fc6fd93d3b61c62)
Fix #13203: delegated events with selector matching Object.prototype property
Fixes #13200 - innerHTML in buildFragment need end tags
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de486684 with moar guard for IE6
(cherry picked from commit 6c29dd24e9786dfd61cdfdb5d21ffcb5694e25ea)