fActionSet.restoreState(memento, false);
fActionSet.restoreState(memento);
	void restoreState(IMemento memento) {		restoreExpansionState(memento);		restoreSelectionState(memento);		// commented out because of http://bugs.eclipse.org/bugs/show_bug.cgi?id=4676		//restoreScrollState(memento, fViewer.getTree());		fActionSet.restoreState(memento, false);	}