Bug 98542 [preferences] missing node ids for new preference pages
N20050606 preference page set opened from the java editor's context menu> preferences does not yet include the additional preference pages added during 3.1
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
if (fOccurrencesFinderJobCanceler == null) {
			fOccurrencesFinderJobCanceler= new OccurrencesFinderJobCanceler();
			fOccurrencesFinderJobCanceler.install();
		}
	}
	protected void uninstallOccurrencesFinder() {
		fMarkOccurrenceAnnotations= false;
		if (fOccurrencesFinderJob != null) {
			fOccurrencesFinderJob.cancel();
			fOccurrencesFinderJob= null;
		}
		if (fOccurrencesFinderJobCanceler != null) {
			fOccurrencesFinderJobCanceler.uninstall();
			fOccurrencesFinderJobCanceler= null;
		}
		if (fPostSelectionListenerWithAST != null) {
			SelectionListenerWithASTManager.getDefault().removeListener(this, fPostSelectionListenerWithAST);
			fPostSelectionListenerWithAST= null;
		}
		removeOccurrenceAnnotations();
	}
	protected boolean isMarkingOccurrences() {
		return fMarkOccurrenceAnnotations;
	}
	boolean markOccurrencesOfType(IBinding binding) {
		if (binding == null)
			return false;
		int kind= binding.getKind();
		if (fMarkTypeOccurrences && kind == IBinding.TYPE)
			return true;