nettoyage entrée menu.

        <xsl:variable name="topEntry"

                      select="/menu//entry[target/text()=$selectedTarget]/ancestor-or-self::entry[@type='main']"/>

        <nav class="navbar navbar-expand-lg navbar-light">

            <a class="navbar-brand" href="#">Menu</a>

            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">

                <span class="navbar-toggler-icon"></span>

            </button>