[1] Use Web IDL's new-ish interface mixins concept (romandev著, ) <https://github.com/whatwg/html/commit/c8867a179c21134021dc3435e98c1b9c4542d794>
[2] Add HTMLOrSVGElement interface mixin (annevk著, ) <https://github.com/whatwg/html/commit/81e82437a7ef1ee37d4ce2b5a982bc297d5b58b1>
[3] Move dataset from HTMLElement to a mixin shared with SVGElement · Issue #3471 · whatwg/html () <https://github.com/whatwg/html/issues/3471>
[4] Move dataset & other shared IDL attributes from SVGElement to HTMLOrSVGElement · Issue #60 · w3c/svgwg () <https://github.com/w3c/svgwg/issues/60>
[5] Add HTMLOrSVGElement interface mixin by annevk · Pull Request #3543 · whatwg/html () <https://github.com/whatwg/html/pull/3543>
[6] Should we move more HTMLElement members to HTMLorSVGElement mixin? · Issue #395 · w3c/svgwg () <https://github.com/w3c/svgwg/issues/395>
[7] Add HTMLOrSVGElement mixn (dstorey著, ) <https://github.com/w3c/svgwg/commit/bf070f6e46face7169561d4ea7dae45b93210dfb>
[8] Add HTMLOrSVGElement mixn by dstorey · Pull Request #415 · w3c/svgwg () <https://github.com/w3c/svgwg/pull/415>
[9] Move dataset & other shared IDL attributes from SVGElement to HTMLOrSVGElement · Issue #60 · w3c/svgwg () <https://github.com/w3c/svgwg/issues/60>
[10] Remove SVGElement include now it is in SVG (dstorey著, ) <https://github.com/whatwg/html/commit/0b843578f85701a79040fd007af7d02822016fa2>
[11] Remove SVGElement include in HTML spec now it is in SVG · Issue #3668 · whatwg/html () <https://github.com/whatwg/html/issues/3668>
[12] Remove SVGElement include now it is in SVG spec by dstorey · Pull Request #3671 · whatwg/html () <https://github.com/whatwg/html/pull/3671>