1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
2<html lang="en">
3<head>
4<title>aert1.0/5.2.1</title>
5</head>
6<body>
7
8<table summary="This data table should use markup to associate multiple levels of row and column headers">
9	<caption>This data table should use markup to associate multiple levels of row and column headers</caption>
10
11	<tr>
12		<th>ID</th><th colspan="2">System<br>Color or Name</th><th>Required</th>
13	</tr>
14	<tr>
15		<td>a-1</td><td>blue</td><td></td><td>yes</td>
16	</tr>
17	<tr>
18		<td>a-2</td><td></td><td>Susan</td><td>yes</td>
19	</tr>
20	<tr>
21		<td>a-3</td><td>green</td><td></td><td>no</td>
22	</tr>
23	<tr>
24		<td>a-4</td><td>orange</td><td></td><td>no</td>
25	</tr>
26	<tr>
27		<td>a-5</td><td></td><td>Frank</td><td>yes</td>
28	</tr>
29	<tr>
30		<td>a-6</td><td></td><td>Harold</td><td>no</td>
31	</tr>
32</table>
33
34</body>
35</html>
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