Bug 71354 [painting] IAE in StyledText.getBidiSegments upon revert
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
*/
	private boolean fMarkMethodExitPoints;
	/**
	 * Tells whether to mark implementors in this editor.
	 * Only valid if {@link #fMarkOccurrenceAnnotations} is <code>true</code>.
	 * @since 3.1
	 */
	private boolean fMarkImplementors;
	/**
	 * 
	 */
	private ISelection fForcedMarkOccurrencesSelection;
	/**
	 * The internal shell activation listener for updating occurrences.
	 * @since 3.0
	 */
	private ActivationListener fActivationListener= new ActivationListener();
	private ISelectionListenerWithAST fPostSelectionListenerWithAST;
	private OccurrencesFinderJob fOccurrencesFinderJob;
	
	private OccurrencesFinderJobCanceler fOccurrencesFinderJobCanceler;
	/** 
	 * This editor's projection support 
	 * @since 3.0
	 */
	private ProjectionSupport fProjectionSupport;
	/** 
	 * This editor's projection model updater 
	 * @since 3.0
	 */