<contexts>
	<context id="viewer" title="Sample View">
		<description>This is the context help for the sample view with a tree viewer. It was generated by a PDE template.</description>
		<topic href="/PLUGINS_ROOT/org.eclipse.platform.doc.isv/guide/ua_help_context.htm" label="Context-sensitive help">
			<enablement>
				<with variable="platform">
	            	<test property="org.eclipse.core.runtime.isBundleInstalled" args="org.eclipse.platform.doc.isv"/>
	     		</with>
			</enablement>
		</topic>
	</context>
</contexts>