<!DOCTYPE html>
<html>
<head>
<title>Test With Trailing Whitespace</title>
<style>
    div { height:30px; margin:0; padding:0; border:none; }
    .container { width:400px; }
    .floater { float:right; width:100px; background-color:blue; }
    .middle { display:inline-block; width:300px; background-color:green; }
</style>
</head>
<body>

<!-- Single Trailing Space -->
<div class="container"><div class="middle"></div><div class="floater"></div> </div>

<!-- Single Trailing Newline -->
<div class="container"><div class="middle"></div><div class="floater"></div>
</div>

<!-- Mixture of Trailing Whitespace -->
<div class="container"><div class="middle"></div><div class="floater"></div>
 </div>

</body>
</html>