Re: [w3c/webcomponents] The is="" attribute is confusing? Maybe we should encourage only ES6 class-based extension. (#509)

@OvermindDL1 I brought [meaningful maps down to IE8](https://www.youtube.com/watch?v=mT2wwXEVu94) a while ago, please trust me when I tell you you should be pro builtins extends.

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Received on Friday, 19 October 2018 22:25:33 UTC