      *  vertical and horizontalScrollPosition deltas needed to 
      *  scroll the element at the specified index into view.
      * 
-     *  If clipContent is true and the element at the specified index is not
+     *  If clipAndEnableScrolling is true and the element at the specified index is not
      *  entirely visible relative to the target's scrollRect, then 
      *  return the delta to be added to horizontalScrollPosition and
      *  verticalScrollPosition that will scroll the element completely 

            return 0;

        var delta:Number = 0;
        switch (unit)
        {
            case ScrollUnit.LEFT:
                // Snap the left edge of element to the left edge of the scrollRect.

     *  Layout methods should not get the target's scrollRect directly.
     * 
     *  @return The bounds of the target's scrollRect in layout coordinates, null
     *      if target or clipAndEnableScrolling is false. 
     */
    protected function getTargetScrollRect():Rectangle
    {
        var g:GroupBase = target;
        if (!g || !g.clipAndEnableScrolling)
            return null;     
        var vsp:Number = g.verticalScrollPosition;
        var hsp:Number = g.horizontalScrollPosition;
