         
         grid.itemRendererGroup.addElement(renderer);
         
+        // Initialize cell 0,0.
         initializeItemRenderer(renderer, 0, 0, typicalItem, false);
-        
         layoutGridElement(renderer, 0, 0, NaN, NaN);
-                
+
         grid.itemRendererGroup.removeElement(renderer);
         
         return renderer;

        visibleColumnIndices = newVisibleColumnIndices;
    }

    /**
     *  @private
     *  Creates a new IR for cell 0,0 using the grid's typicalItem.  If the

            else
                availableHeight -= rowHeight + rowGap;            
        }
                
        // Free renderers that aren't in use
        
        for each (var oldRenderer:IVisualElement in visibleItemRenderers)
