Bug 316279 MCommand's 'parameters' feature is not being persisted correctly
SSIA
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/XMLModelReconciler.java
Map<String, String> deltaMap = new HashMap<String, String>();
		NodeList attributes = (NodeList) innerElement;
		for (int j = 0; j < attributes.getLength(); j++) {
			Node entry = attributes.item(j);
			if (entry instanceof Element) {
				Element keyValue = (Element) entry;
				String key = keyValue.getAttribute(ENTRY_ATTVALUE_KEY);
				String value = keyValue.getAttribute(ENTRY_ATTVALUE_VALUE);
				deltaMap.put(key, value);
			}
		}
		return new EMFDeltaMapSet(object, feature, deltaMap);
	}
	private ModelDelta createDelayedDelta(EObject object, EStructuralFeature feature,
			Element element) {
		String referenceId = element.getAttribute(XMIID_ATTNAME);
		return new EMFModelDeltaDelayedSet(object, feature, rootObject, referenceId);
	}
	public static List<?> threeWayMerge(List<?> originalReferences, List<?> userReferences,
			List<?> currentReferences) {
		int userSize = userReferences.size();
		int originalSize = originalReferences.size();
		if (userSize == 0) {
			
			List<Object> collectedReferences = new ArrayList<Object>(currentReferences);
			collectedReferences.removeAll(originalReferences);
			return collectedReferences;
		} else if (originalSize == 0) {
			List<Object> collectedReferences = new ArrayList<Object>(userReferences);
			collectedReferences.addAll(currentReferences);