code: function appendElement (hander,node) {
      if (!hander.currentElement) {
          hander.doc.appendChild(node);
      } else {
          hander.currentElement.appendChild(node);
      }
  }
docs: /* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties