docs: function Tooltip(el, options) {
  
          // TODO: Review what's going on here with options
          /*
          if (options === undefined && el !== undefined && el.nodeType !== undefined) {
              options = el;
              el = undefined;
          }
          */
  
          options = tiny.extend(tiny.clone(this._defaults), options);
  
          return new ch.Layer(el, options);
      }