... validation routines it uses are up-to-date.ptg6964689 INTRODUCING HTML56 Using new HTML5 structural elements In 2004, Ian Hickson, the editor of the HTML5 spec, mined one billion web pages via the ... ona page.Remember, HTML5 itself doesn’t require a body element, but this heady brew of Internet Explorer 8 (and earlier versions), ptg6964689 INTRODUCING HTML51 2CSS, HTML5, and JavaScript ... to whether HTML5 includes enough semantics, or too many elements. As a bonus, HTML5 s unambiguous parsing rules should ensure that ancient pages will work interoperably, as the HTML5 parser...