Bug 5877 Rename package -> selection incorrect
1. select text in a .java file 2. rename the package of that file using the rename menu option 3. notice that the selection has moved Perhaps because selection index isn't updated when the .java file text changes to reflect the new package.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
if (isOverviewRulerVisible())
						showOverviewRuler();
					else
						hideOverviewRuler();
					return;
				}
				
				IContentAssistant c= asv.getContentAssistant();
				if (c instanceof ContentAssistant)
					ContentAssistPreference.changeConfiguration((ContentAssistant) c, getPreferenceStore(), event);
			}
				
		} finally {
			super.handlePreferenceStoreChanged(event);
		}
	}
	/**
	 * Handles a property change event describing a change
	 * of the java core's preferences and updates the preference
	 * related editor properties.
	 * 
	 * @param event the property change event
	 */
	protected void handlePreferencePropertyChanged(org.eclipse.core.runtime.Preferences.PropertyChangeEvent event) {
		AdaptedSourceViewer asv= (AdaptedSourceViewer) getSourceViewer();
		if (asv != null) {
			String p= event.getProperty();					
			if (CODE_FORMATTER_TAB_SIZE.equals(p)) {
				asv.updateIndentationPrefixes();
				if (fTabConverter != null)