org.eclipse.xwt.tests/src/org/eclipse/xwt/tests/namespace/handler/LabelExt.xwt

<Shell xmlns="http://www.eclipse.org/xwt/presentation"
    xmlns:x="http://www.eclipse.org/xwt"
    xmlns:ext="http://www.eclipse.org/ext">
	<Shell.layout>
		<GridLayout numColumns="2"/>
	</Shell.layout>
	<Label name="targetLabel" text="Target Label" ext:id="Ext-Id" />
</Shell>