Code:
<table>
<tr>
<th id="header1" scope="col">header 1</th>
<th scope="col">header 2</th>
<th scope="col">header 3</th>
</tr>
<tr>
<td>cell 1</td>
<td>cell 2</td>
<td>cell 3</td>
</tr>
…
</table>
Code:
#header1 {white-space: nowrap;}
Thank VipStephan for that post on another forum.