code: function startTagAfterAfterFrameset(p, token) {
      var tn = token.tagName;
  
      if (tn === $.HTML)
          startTagInBody(p, token);
  
      else if (tn === $.NOFRAMES)
          startTagInHead(p, token);
  }
docs: 12.2.5.4.23 The "after after frameset" insertion mode ------------------------------------------------------------------