aert1.0/5.2.1

This file demonstrates a <table> that may require markup (column headers)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>aert1.0/5.2.1</title>
</head>
<body>
<table summary="This data table should use markup to associate multiple levels of row and column headers">
	<caption>This data table should use markup to associate multiple levels of row and column headers</caption>
	<tr>
		<th>ID</th><th colspan="2">System<br/>Color or Name</th><th>Required</th>
	</tr>
	<tr>
		<td>a-1</td><td>blue</td><td></td><td>yes</td>
	</tr>
	<tr>
		<td>a-2</td><td></td><td>Susan</td><td>yes</td>
	</tr>
	<tr>
		<td>a-3</td><td>green</td><td></td><td>no</td>
	</tr>
	<tr>
		<td>a-4</td><td>orange</td><td></td><td>no</td>
	</tr>
	<tr>
		<td>a-5</td><td></td><td>Frank</td><td>yes</td>
	</tr>
	<tr>
		<td>a-6</td><td></td><td>Harold</td><td>no</td>
	</tr>
</table>
</body>
</html>