[3] 対話的HTML利用者エージェントは、 SVG 素片を名前空間整形式 XML 素片として出力する方法を提供するべきです。 >>1
[7] Add math+svg elements to index, update spec info · whatwg/html@054ae1b ( 版) <https://github.com/whatwg/html/commit/054ae1b5e194bfedb48dffbd207052abcb698d8c>
[8] Remove version=2.0 attribute from svg element. Fixes #45. · w3c/svgwg@f484a71 ( 版) <https://github.com/w3c/svgwg/commit/f484a71e6d71191f1046cfb2e402a444a64f325d>
[10] Only allow requestFullscreen() for certain elements · whatwg/fullscreen@3e82afc ( 版) <https://github.com/whatwg/fullscreen/commit/3e82afc58995660a8b022bf0d5a0c6aaa7d76323>
[11] ( 版) <http://limia.jp/idea/20387/>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" hidden>
<symbol id="image-logo" viewbox="0 0 512 150">
<title>logo</title>
<path d="M48.374 124.105h58.668v10.3H37.126V18.096h11.248v106.01zm86.203 10.3h11.247V18.096h-11.247v116.31zm104.834-24.86L198.46 15.642l-22.87 118.763h11.693l14.853-84.894 37.068 84.894 37.1-84.924 14.832 84.924h11.702L280.368 15.643l-40.957 93.9zm92.205 24.86h11.248V18.096h-11.248v116.31zm143.26 0h-12.262l-13.285-30.495h-57.16l-13.913 30.496h-11.91l55.24-118.812 53.29 118.812zm-30.036-40.8l-23.435-53.792-24.537 53.793h47.97z" />
</symbol>
</svg>
[12] ( 版) <http://limia.jp/idea/20387/>
<a href="/" class="Logo">
<svg><use xlink:href="#image-logo"></use></svg>
</a>