d to for any error messages issued by the
                DB library.
            </p>
              </li>
              <li>
                <p>
                <code class="methodname">err()</code>
            </p>
                <p>
                Issues an error message based upon a DB error code a message text that you supply.
                The error message is sent to the
                callback function as defined by <code class="methodname">set_errcall()</code>.
                If that method h