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Access applications localVar by prefixing it with outerDocument keyword

<!-- Code from Flex 4 Documentation "Using Adobe Flex 4". This user guide is licensed for use under the terms of the Creative Commons Attribution  Non-Commercial 3.0 License.  This License allows users to copy, distribute, and transmit the user guide for noncommercial  purposes only so long as    (1) proper attribution to Adobe is given as the owner of the user guide; and    (2) any reuse or distribution of the user guide contains a notice that use of the user guide is governed by these terms.  The best way to provide notice is to include the following link.  To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ --> <!-- containers\spark\SparkDataGroupContainerInlineScope.mxml --> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"     xmlns:mx="library://ns.adobe.com/flex/mx"     xmlns:s="library://ns.adobe.com/flex/spark">     <fx:Script>                   // Variable in the Application scope.          [Bindable]          public var localVar:String="Application scope";             </fx:Script>     <s:SkinnableDataContainer>         <s:layout>             <s:VerticalLayout />         </s:layout>         <mx:ArrayList>             <fx:Object firstName="Bill" lastName="Smith" companyID="11233" />             <fx:Object firstName="Dave" lastName="Jones" companyID="13455" />             <fx:Object firstName="Mary" lastName="Davis" companyID="11543" />             <fx:Object firstName="Debbie" lastName="Cooper" companyID="14266" />         </mx:ArrayList>         <s:itemRenderer>             <fx:Component>                 <s:ItemRenderer>                     <fx:Script>                                                       // Variable in the Renderer scope.                              [Bindable]                              public var localVar:String="Renderer scope";                                                 </fx:Script>                     <s:Group verticalCenter="0" left="2" right="2" top="2"                         bottom="2">                         <s:layout>                             <s:HorizontalLayout />                         </s:layout>                         <s:Label text="{data.lastName}, {data.firstName}" />                         <s:Label text="{data.companyID}" />                         <s:Label text="{'Renderer localVar = ' + localVar}" />                         <s:Label                             text="{'Application localVar = ' + outerDocument.localVar}" />                     </s:Group>                 </s:ItemRenderer>             </fx:Component>         </s:itemRenderer>     </s:SkinnableDataContainer> </s:Application>