ute if it satisfies
                      the concept of <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">isspace</span></code>,
                      or a single space character in the character set defined by
                      <code class="computeroutput"><span class="identifier">NS</span></code>
                    </p>
                  </td>
</tr>
<tr>
<td>
                    <p>
                      <a class="link" href="../.