            <code class="computeroutput"><span class="identifier">char_</span><span class="special">(</span><span class="identifier">ch</span><span class="special">,</span>
                  <span class="identifier">ch2</span><span class="special">)</span></code>
                </p>
              </td>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">Ch</span></code>
                </p>
              </td>
<td>
                <p>
                  Matches a