      *  @param columnCount Number of columns, starting at 
      *  <code>columnIndex</code> to include in the cell region.
      * 
-     *  @return True if no errors, or false if the cell region is invalid or 
+     *  @return <code>true</code> if no errors.
+     *  <code>false</code> if the cell region is invalid or 
      *  the <code>selectionMode</code> is invalid.     
      *  
      *  @see spark.components.Grid#caretColumnIndex

     *  and the caret position to this cell.
     *  For all other selection modes, this method has no effect.
     * 
     *  <p>The <code>rowIndex</code> is the index in <code>dataProvider</code> 
     *  of the item containing the selected cell.  The <code>columnIndex</code>
     *  is the index in <code>columns</code> of the column containing the
     *  selected cell.</p>

    }
    
    /**
     *  Returns the column index corresponding to the specified coordinates,
     *  or -1 if the coordinates are out of bounds. The coordinates are 
     *  resolved with respect to the grid.
     * 
     *  <p>If all of the columns or rows for the grid have not yet been scrolled
     *  into view, the returned index may only be an approximation, 
     *  based on all of the columns' <code>typicalItem</code>s.</p>
     *  
     *  @param x The pixel's x coordinate relative to the grid.
     *
     *  @param y The pixel's y coordinate relative to the grid.
     *
     *  @return The index of the column, or -1 if the coordinates are out of bounds. 
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
