<div id="content">
<p></p>
<p> </p>
<p>&nbsp;</p>
<p>Not empty paragraph text</p>
<p><span>Not empty paragraph element</span>
</div>

<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<div id="content">
<p></p>
<p> </p>
<p>&nbsp;</p>
<p> </p>
<p>Not empty paragraph text</p>
<p><span>Not empty paragraph element</span>
</div>
</body>
</html>

Add a utf-8 encoded &nbsp; too.
Add a utf-8 encoded &nbsp; too.
