“We now have a new HTML5 Tag! This is a new Structural & Semantic Element!
<main></main> Details to follow....
<template></template> Details to follow soon...”
<hgroup></hgroup>The HTML5 < hgroup>
Element has been removed from the HTML5 Specification. This is because it was found that this element has no real impact on the outline nor the Semantics.”
For more information:http://www.expression-web-tutorial.com/Structural-Semantic-Elements.html#.VOcQQfmUdMY