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<head>
<title>aert1.0/5.2.1</title>
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<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>System</th>
<td>a-1</td>
<td>Susan</td>
<td>Macintosh</td>
</tr>
<tr>
<th rowspan="2">ID<br>
location or code</th>
<td>Local</td>
<td>Building 1</td>
<td>Front Desk</td>
</tr>
<tr>
<td>Local</td>
<td>Building 2</td>
<td>Back Desk</td>
</tr>
<tr>
<th>Required</th>
<td>yes</td>
<td>yes</td>
<td></td>
<td>no</td>
</tr>
</table>
</body>
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