<html>
<head>
</head>
<body>
<form name="example">
<input name="foo" type="button" value="foo button" />
<input name="bar" type="submit" value="bar submit" />
<button name="baz" value="baz button">baz</button>
<button name="qux" key="qux" value="qux button">qux</button>
</form>
</body>
</html>