<form action="${here/portal_url}/@@search" class="search" id="global-nav-search"
      i18n:domain="ploneintranet">
    <label>
        <input class="search" name="SearchableText" placeholder="Search through content…" type="text"
               i18n:attributes="placeholder label_search_placeholder">
    </label>
    <button name="submit" tabindex="-1" type="submit" value="submit"
            i18n:translate="label_search_button"
            >Search</button>
</form>
