Bug 317037 [XMI] Reconciler does not consider MPerspective's 'windows' feature
SSIA
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/XMLModelReconciler.java
List<?> originalMenus = (List<?>) change.getValue();
								if (originalMenus.contains(reference)) {
									return key;
								}
								if (((MPart) key).getMenus().contains(reference)) {
									appendedMenu = true;
								}
								break;
							}
						}
					}
				}
				boolean menuSet = false;
				boolean menuChanged = false;
				for (Entry<EObject, EList<FeatureChange>> entry : objectChanges.entrySet()) {
					EObject key = entry.getKey();
					if (key instanceof MWindow) {
						for (FeatureChange change : entry.getValue()) {
							if (change.getFeatureName().equals(WINDOW_MAINMENU_ATTNAME)) {
								Object oldMenu = change.getValue();
								if (oldMenu == reference) {
									return key;
								} else if (oldMenu == null
										&& ((MWindow) key).getMainMenu() == reference) {
									menuSet = true;
								}
								menuChanged = true;
								break;
							}
						}