<article> for self-contained content
The article element marks a self-contained content. An article could be a blog entry.
<!DOCTYPE HTML>
<html>
<head>
<title>Example</title>
<style>
article {border: thin black solid; padding: 10px; margin-bottom: 5px}
article > footer {padding:5px; margin: 5px; text-align: center}
article > footer > nav > a {color: white}
</style>
</head>
<body>
<article>
<header>
<hgroup>
<h1>H1</h1>
<h2>H2</h2>
</hgroup>
</header>
<p>text text text text text text text text text </p>
<section>
<h1>H1</h1>
<p>text </p>
<section>
<h1>H1</h1>
<p>text </p>
</section>
</section>
<footer>
<nav>
<p>text</p>
<a href="">a link</a>
</nav>
</footer>
</article>
<article>
<header>
<hgroup>
<h1>H1</h1>
<h2>H2</h2>
</hgroup>
</header>
<p>text text text text text text text text text </p>
<section>
<h1>H1</h1>
<p>text </p>
<section>
<h1>H1</h1>
<p>text </p>
</section>
</section>
<footer>
<nav>
<p>text</p>
<a href="">a link</a>
</nav>
</footer>
</article>
<footer id="mainFooter">
<p>footer</p>
</footer>
</body>
</html>