<!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 one row header">
<caption>This data table is missing one row header</caption>
<tr>
<th>age</th>
<td>10</td>
<td>15</td>
<td>20</td>
</tr>
<tr>
<td>height</td>
<td>1.3 m</td>
<td>1.8 m</td>
<td>2.1 m</td>
</tr>
<tr>
<th>weight</th>
<td>50 kg</td>
<td>75 kg.</td>
<td>100 kg.</td>
</tr>
</table>
