       output. This currently has no effect for Boost.Regex.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    collate
                  </p>
                </td>
<td>
                  <p>
                    Yes
                  </p>
                </td>
<td>
                  <p>
                    Specifies that character ranges of the form <code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="spe