fGlobalAnnotationModelListener= new GlobalAnnotationModelListener();
	public CompilationUnitDocumentProvider2() {		fPropertyListener= new IPropertyChangeListener() {			public void propertyChange(PropertyChangeEvent event) {				if (HANDLE_TEMPORARY_PROBLEMS.equals(event.getProperty()))					enableHandlingTemporaryProblems();			}		};				fGlobalAnnotationModelListener= new GlobalAnnotationModelListener();				JavaPlugin.getDefault().getPreferenceStore().addPropertyChangeListener(fPropertyListener);	}