     private var _rightExtension:Number = 0.0;
 
     /**
-     *  @copy flash.filters.ShaderFilter#rightExtension()
+     *  @copy flash.filters.ShaderFilter#rightExtension
      */
     public function get rightExtension():Number
     {

    private var _bottomExtension:Number = 0.0;

    /**
     *  @copy flash.filters.ShaderFilter#bottomExtension()
     */
    public function get bottomExtension():Number
    {

    private var _precisionHint:String = ShaderPrecision.FULL;

    /**
     * The precision of math operations performed by the underlying shader.
     * The set of possible values for the precisionHint property is defined 
     * by the constants in the ShaderPrecision class.
     * 
