[1] [css-display] Define interaction of display:contents and replaced elements · Issue #540 · w3c/csswg-drafts () https://github.com/w3c/csswg-drafts/issues/540
[2] SVG and CSS display:contents · Issue #305 · w3c/svgwg () https://github.com/w3c/svgwg/issues/305
[3] New in Chrome 65 | Web | Google Developers () https://developers.google.com/web/updates/2018/03/nic65
[4] [css-display] More thoroughly review the list of SVG elements and put… (tabatkins著, ) https://github.com/w3c/csswg-drafts/commit/1432231d5b5561e6ce030850d4e614ba85913b1e
[5] [Proposal] new <ignore> element HTML, , https://discourse.wicg.io/t/proposal-new-ignore-element-html/2686/