Added a duplicate attribute present member to element create call#4223

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andypaicu wants to merge 5 commits intowhatwg:mainfrom andypaicu:duplicate-attr-flag

+24-8

Commits on Dec 11, 2018

Added a duplicate attribute present member to element create call
andypaicu
committed

Commits on Dec 12, 2018

Setting flag directly after constructing element
andypaicu
committed

Commits on Dec 13, 2018