      * 
      * @param fraction The elapsed fraction of the animation
      * @return The eased fraction of the animation
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     public function ease(fraction:Number):Number
     {

    
    /**
     * Returns the singleton instance of Linear.
     */
    public static function getInstance():Linear
    {


    /**
     * Storage for the _easeInFraction property
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    private var _easeInFraction:Number = 0;
    
