     /**
      *  Returns the x coordinate of the element's bounds at the specified element size.
      * 
-     *  This method is typically used by layouts during a call to the 
+     *  <p>This method is typically used by layouts during a call to the 
      *  <code>measure()</code> method to predict what
-     *  the element position will be, if the element is resized to particular dimensions.
+     *  the element position will be, if the element is resized to particular dimensions.</p>
      * 
      *  @param width The element's bounds width, or NaN to use the preferred width.
      *  @param height The element's bounds height, or NaN to use the preferred height.
-     *  @param postLayoutTransform When postLayoutTransform is true the method returns
+     *  @param postLayoutTransform When <code>postLayoutTransform</code> is true, the method returns
      *  x coordinate of the element's bounding box top-left corner.
-     *  Bounding box is in element's parent coordinate space and is calculated
+     *  The bounding box is in element's parent coordinate space and is calculated
      *  from the specified bounds size, layout position and layout transform matrix.
+     *
+     *  @return The x coordinate of the element's bounds at the specified element size.
      *
      *  @see #setLayoutBoundsSize
      *  @see #getLayoutPositionX

     *  Layouts that calculate the transform matrix explicitly typically call
     *  this method and work with sizes in child coordinates.
     *  Layouts calling this method pass <code>false</code>
     *  to <code>invalidateLayout</code> so that a subsequent layout pass is not
     *  triggered.</p>
     *
     *  @param Matrix The matrix.
     *
     *  @param invalidateLayout <code>true</code> to cause theparetn container 
     *  to re-layout its children.You typically pass <code>true</code>
     *  to <code>invalidateLayout</code>.
     * 
     *  @see #getLayoutMatrix
     *  @see #setLayoutMatrix
     *  @see #getLayoutMatrix3D
     *  @see mx.core.UIComponent#offsets
     *  @see mx.graphics.baseClasses.GraphicElement#offsets
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10

     *  measuredWidth if the measuredWidth is dependent on the layout
     *  height.
     * 
     *  <p>Note that significantly incorrect estimation of this property can cause
     *  layout problems and even infinite loops in Scroller and similar
     *  containers that are going to guess on a scrollbar configuration
     *  based on measurements influenced by this value.</p>
     *
     *  @default NaN
     *  
