         if (_shader)
         {
             _shader.precisionHint = _precisionHint ? 
-            	_precisionHint : _shader.precisionHint;
+                _precisionHint : _shader.precisionHint;
             instance = new flash.filters.ShaderFilter(_shader);
             instance.bottomExtension = _bottomExtension;
             instance.topExtension = _topExtension;

    private var _rightExtension:Number = 0.0;

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

    private var _leftExtension:Number = 0.0;

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