[1] Note how the SVG currently implemented in browsers is a mix of SVG 1.โฆ ยท whatwg/html@969c45b (2015-11-18 11:28:38 +09:00 ็) https://github.com/whatwg/html/commit/969c45b2478d1d2d3be8564ec85dc316a53c8bcf
[2] Reference SVG 2 (dstorey่, 2018-05-18 15:05:35 +09:00) https://github.com/whatwg/html/commit/7069de4fcf2f92295dded520ed5d7275addab2e7