ess();

  }

  function init_downlevel() {

    init_common();

     // insert hr after d-title
    $('.d-title').after($('<hr class="section-separator"/>'));

    // check if we have authors
    var front_matter = JSON.parse($("#distill-front-matter").html());
    var have_authors = front_matter.authors && front_matter.authors.length > 0;

    // manage byline/border
    if (!have_authors)
      $('.d-byline').remove();
    $('.d-byline').after($('<hr class="section-separator"/>'));
    $('.d-byline a').re