 	<td>Truncate to integer.<br />Ignore if not a number.</td>
      </tr>
      <tr>
      	<td>base out of range</td>
      	<td>Ignore.</td>
      </tr>
      <tr>
      	<td>not a number<sup>*</sup></td>
      	<td>Substitute <code>NaN</code>.</td>
      </tr>
      <tr>
      	<td rowspan=9><code>config</code></td>
      	<td><code>DECIMAL_PLACES</code> not an integer</td>
      	<td>Truncate to integer.<br />Ignore if not a number.</td>
      </tr>
      <tr>
      	<td><code>DECIMAL_PLACES</code> out o