         _content = value;
         contentChanged = true;
 
-        // True, if content is non-null.  Once content is set, if then set 
-        // to null, text can be set.
-        contentSet = _content;
-
+        invalidateProperties();
         invalidateSize();
         invalidateDisplayList();
     }


        dispatchChangingEvent = true;
    }
}

}

     *  @private
     */
    private var contentChanged:Boolean = false;

    /**
     *  Documentation is not currently available.
