<!DOCTYPE html>
<html>
<head>
<title>Test With Leading 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 Leading Space -->
<div class="container"><div class="middle"></div> <div class="floater"></div></div>

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

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

</body>
</html>