ied files will be upgraded. If modifications have been made to
            the configuration, <span class='code'>rpm</span> will display a message
            about any differences between the changes and the new configuration.
            Any new changes from the upgrade will be noted as files with a
            <span class='code'>.rpmnew</span> extension and the modified files will
            be left untouched.</p>

        <p>For example, if <span class='code'>/etc/weewx/weewx.conf</span> was
          