This file demonstrates a data table this is missing row/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>aert1.0/5.1.2</title>
</head>
<body>
<table summary="This data table is missing row/column headers">
	<caption>This data table is missing row/column headers</caption>
	<tr>
		<td>age</td><td>height</td><td>weight</td>
	</tr>
	<tr>
		<td>10</td><td>1.3 m</td><td>50 kg.</td>
	</tr>
	<tr>
		<td>15</td><td>1.8 m</td><td>75 kg.</td>
	</tr>
	<tr>
		<td>20</td><td>2.1 m</td><td>100 kg.</td>
	</tr>
</table>
</body>
</html>