 Documentation, Portability and Build Changes:</a>
                </span>
              </dt>
            </dl>
          </dd>
        </dl>
      </div>
      <div class="sect1" lang="en" xml:lang="en">
        <div class="titlepage">
          <div>
            <div>
              <h2 class="title" style="clear: both"><a id="upgrade_4_6_intro"></a>Introduction</h2>
            </div>
          </div>
        </div>
        <p>The following pages describe how to upgrade applications coded against
the Ber