     private var _easeInFraction:Number = 0;
     
     /**
-     * The percentage an animation will spend accelerating.
-     * easeOutFraction and easeInFraction must satisfy the
-     * equation <code>easeOutFraction + easeInFraction &lt;= 1</code>
-     * where any remaining time in the middle will be spent in 
-     * linear interpolation.
-     * 
-     * @default 0
+     *  The fraction an animation spent accelerating,
+     *  between 0.0 and 1.0.
+     *  The values of the <code>easeOutFraction</code> property 
+     *  and <code>easeInFraction</code> property must satisfy the
+     *  equation <code>easeOutFraction + easeInFraction &lt;= 1</code>
+     *  where any remaining time is spent in the linear motion phase.
+     * 
+     *  @default 0
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10



    /**
     * @inheritDoc
     * 
     * Calculates the eased fraction value based on the
     * <code>easeInFraction</code> and <code>easeOutFraction</code> 
     * factors. If <code>fraction</code>
     * is less than <code>easeInFraction</code>, it calculates a value
     * based on accelerating up to the linear phase. If <code>fraction</code>
     * is greater than <code>easeInFraction</code> and less than 
     * <code>(1-easeOutFraction)</code>, it calculates a value based
     * on linear motion between the easing-in and easing-out phases.
     * Otherwise, it calculates a value based on constant deceleration
     * between the linear motion phase and zero.
     * 
     * @param fraction The elapsed fraction of the animation
     * @return The eased fraction of the animation
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10

public class Linear implements IEaser
{
    /**
     *  Constructor.
     *
     *  @param easeInFraction The fraction of the overall duration 
     *  in the acceleration phase, between 0.0 and 1.0.
     *
     *  @param easeOutFraction The fraction of the overall duration 
     *  in the deceleration phase, between 0.0 and 1.0.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
