  *  rotation, are combined into single operations that act
  *  in parallel to avoid any conflict when modifying overlapping property values. 
  *  This effect works by combining all current transform effects
- *  on a target into one single effect instance for that target.
+ *  on a target into one single effect instance for that target. That is, multiple
+ *  transform effects within the same Parallel effect will be combined (transform
+ *  effects within a Sequence will run separately).
  * 
  *  <p>While this combination of multiple transform effects happens
  *  internally,

     * @private
     * 
     * This is where we create the single instance and/or feed extra
     * MotionPath information (from othe transform-related effects) into the
     * single transform effect instance.
     */
    override protected function initInstance(instance:IEffectInstance):void

        if (!target)
            target = this.target;
    
        var parent:Effect = parentCompositeEffect;
        if (!transformInstancePerTarget[target] ||
            (parent && parent is Sequence))
        {
            // FIXME (chaase): need to clear out this entry once the effect
            // starts (stops?) because we don't want it hanging around for
