<td>Both</td>
<td>Launches the search window</td>
</tr>
+ <tr><td><strong>B</strong></td>
+ <td>Both</td>
+ <td>Add highlighted columns to current column selection</td>
+ </tr>
+ <tr><td><strong>Alt 'B'</strong></td>
+ <td>Both</td>
+ <td>Add all but the currently highlighted columns to current selection</td>
+ </tr>
+ <tr><td><strong>Control 'B'</strong></td>
+ <td>Both</td>
+ <td>Toggle the column selection marks for the currently highlighted
+ columns (or all others if Alt is also pressed)</td>
+ </tr>
<tr>
<td><strong>H</strong></td>
<td>Both</td>