Bug 81083 [preferences] Mark Occurences enablement not adhered to
I200412142000 - open preference page with Mark Occurences preferences - enable Mark Occurences - Apply - Restore Defaults - OK -> toolbar shows Mark Occurences as 'enabled', editor marks occurences -> on preference page the preference is disabled
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
*/
				protected IStatus run(IProgressMonitor monitor) {
					CompilationUnit ast= JavaPlugin.getDefault().getASTProvider().getAST(inputElement, ASTProvider.WAIT_YES, null);
					if (fOverrideIndicatorManager != null) 
						fOverrideIndicatorManager.reconciled(ast, true, monitor);
					return Status.OK_STATUS;
				}
			};
			job.setPriority(Job.DECORATE);
			job.setSystem(true);
			job.schedule();
		}
	}
	
	/**
	 * Tells whether override indicators are shown.
	 * 
	 * @return <code>true</code> if the override indicators are shown
	 * @since 3.0
	 */
	protected boolean isShowingOverrideIndicators() {
		AnnotationPreference preference= getAnnotationPreferenceLookup().getAnnotationPreference(OverrideIndicatorManager.ANNOTATION_TYPE);
		IPreferenceStore store= getPreferenceStore();
		return getBoolean(store, preference.getHighlightPreferenceKey())
			|| getBoolean(store, preference.getVerticalRulerPreferenceKey())
			|| getBoolean(store, preference.getOverviewRulerPreferenceKey())
			|| getBoolean(store, preference.getTextPreferenceKey());
	}
	
	/**