es.</p>

        <p>Unmodified files will be upgraded. If modifications have been made to
            the weeWX configuration, you will be prompted as to whether you want to
            keep the existing configuration or accept the new configuration. Either
            way, a copy of the option you did not choose will be saved.</p>

        <p>For example, if <span class='code'>/etc/weewx/weewx.conf</span> was
            modified, you will see a message something like this:</p>

        <pre class='tty'>Co