 === 0) continue;  // that's all we need for the poster title
    el.className += ' ui title ribbon label';  // poster sections
    s = el.firstElementChild;  // move the class from inner <span> to <h1>
    if (s) {
      el.className += ' ' + s.className;
      s.outerHTML = s.innerHTML;
    }
    el.parentNode.className += ' ui raised segment';
    // wrap everything except the h1 in a section into <div class="content">
    d = document.createElement('div');
    d.className = 'content';
    while (el.next