org.eclipse.ui.editors.tests/src/org/eclipse/ui/editors/tests/plugin.xml

<?xml version="1.0" encoding="UTF-8"?> 
<plugin>
	<extension 
		  point="org.eclipse.ui.editors.markerUpdaters">  
		      <updater  
		         class="org.eclipse.ui.texteditor.BasicMarkerUpdater" 
		         id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest1"  
		         markerType="org.eclipse.ui.editors.test.DummyMarkerType">  
		         <required-updater id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest2"/>  
		      </updater>  
		      <updater  
				class="org.eclipse.ui.texteditor.BasicMarkerUpdater" 
				id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest2" 
				markerType="org.eclipse.ui.editors.test.DummyMarkerType"> 
				<required-updater id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest1"/> 
				<required-updater id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest3"/> 
			  </updater> 
			  <updater 
				class="org.eclipse.ui.texteditor.BasicMarkerUpdater" 
				id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest3" 
				markerType="org.eclipse.ui.editors.test.DummyMarkerType"> 
				<required-updater id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest4"/> 
			  </updater> 
			  <updater 
				class="org.eclipse.ui.texteditor.BasicMarkerUpdater" 
				id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest4" 
				markerType="org.eclipse.ui.editors.test.DummyMarkerType"> 
				<required-updater id="org.eclipse.ui.texteditor.BasicMarkerUpdaterTest1"/> 
			  </updater> 
		</extension>
</plugin>