This file demonstrates a data table this is missing row/column headers (1 row).

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>alert 1.0/5.1.2</title>
</head>
<body>

<table width="70%" border="1" 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>

</body>
</html>