             updateCaretForColumnsChange(event);                
         
         if (gridDimensions && hoverColumnIndex != -1)
-            updateHoverForColumnsChange(event);	
+            updateHoverForColumnsChange(event); 
 
         invalidateSize();
         invalidateDisplayList();        

     * 
     *  <p>This property has no effect if any of the following are true;
     *  <ul>
     *      <li><code>requestedColumnCount</code> is set
     *      <li>the actual size of the grid has been explicitly set
     *      <li>the grid is inside a Scroller component
     *  </ul>
     *  </p>
     *  

     * 
     *  <p>This property has no effect if any of the following are true;
     *  <ul>
     *      <li><code>requestedRowCount</code> is set</li>
     *      <li>the actual size of the grid has been explicitly set</li>
     *      <li>the grid is inside a Scroller component</li>
     *  </ul>
     *  </p>
     * 
