13.1. Introduction| svgwg.org
5.4. The ‘symbol’ element| svgwg.org
Chapter 10: Basic Shapes| svgwg.org
InfraUnicode and Encoding| html.spec.whatwg.org
1. Introduction| www.w3.org
1. About the CSS 2.2 Specification| drafts.csswg.org
HTML| html.spec.whatwg.org
1. Introduction| drafts.csswg.org
1. Introduction| drafts.csswg.org
jQuery: The Write Less, Do More, JavaScript Library| Official jQuery Blog
HTML| html.spec.whatwg.org