gistfile1.txt

    getTarget: function(target, anchor) {
      if (!target && !(target = this.attributes.target)) return false;
      var parsed = this.parseTargetSelector(target);
      var results = [];
      parsed.each(function(expression) {
        if (!anchor) anchor = expression.anchor ? expression.anchor.call(this) : (this.document || document.body);
        if (expression.selector) results.push.apply(results, Slick.search(anchor, expression.selector));
        else if (anchor) results.push(anchor)
      }, this);
      return results.length > 0 && results.map(function(result) {
        if (result.localName) {
          var widget = Element.retrieve(result, 'widget');
          if (widget && widget.element == result) return widget
        }
        return result;
      });
    },

gistfile2.txt

    parseTargetSelector: function(selector) {
      if (selector == 'lightbox') return [selector];
      return parseTargetSelector.apply(this, arguments);
    },