    should look something like:
                <pre class='tty'>altitude = 120, meter</pre>

            </li>
            <li>In a similar manner, options <span class="code">heating_base</span>
                and <span class="code">cooling_base</span> in
                <span class="code">skin.conf</span>
                also take units:
                <pre class='tty'>heating_base = 65, degree_F
cooling_base = 65, degree_F</pre>
            </li>
        </ul>
        <p>The directory &#39;<span class=