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
return persistObject(document, entry, object);
	}
	private Element persistObject(Document document, Entry<EObject, EList<FeatureChange>> entry,
			EObject object) {
		if (getOriginalId(object) == null) {
			return null;
		}
		Element modelChange = null;
		List<FeatureChange> featureChanges = entry.getValue();
		for (FeatureChange featureChange : featureChanges) {
			
			if (!featureChange.getFeature().isTransient()) {
				String featureName = featureChange.getFeatureName();
				
				if (shouldPersist(featureName)) {
					if (modelChange == null) {
						
						modelChange = createElement(document, object);
					}
					
					Element deltaElement = createDeltaElement(document, object, featureChange,
							featureName);
					modelChange.appendChild(deltaElement);
				}
			}
		}
		return modelChange;
	}
	private String getEntryElementName(EObject object, Entry<?, ?> entry) {
		if (object instanceof MContext) {