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
} else if (featureName.equals(KEYSEQUENCE_KEYSEQUENCE_ATTNAME)) {
			return CommandsPackageImpl.eINSTANCE.getKeySequence_KeySequence();
		} else if (featureName.equals(BINDINGCONTAINER_BINDINGTABLES_ATTNAME)) {
			return CommandsPackageImpl.eINSTANCE.getBindingTableContainer_BindingTables();
		} else if (featureName.equals(BINDINGCONTAINER_ROOTCONTEXT_ATTNAME)) {
			return CommandsPackageImpl.eINSTANCE.getBindingTableContainer_RootContext();
		} else if (featureName.equals(BINDINGTABLES_BINDINGS_ATTNAME)) {
			return CommandsPackageImpl.eINSTANCE.getBindingTable_Bindings();
		} else if (featureName.equals(BINDINGTABLES_BINDINGCONTEXTID_ATTNAME)) {
			return CommandsPackageImpl.eINSTANCE.getBindingTable_BindingContextId();
		} else if (featureName.equals(HANDLER_COMMAND_ATTNAME)
				|| featureName.equals(KEYBINDING_COMMAND_ATTNAME)
				|| featureName.equals(HANDLEDITEM_COMMAND_ATTNAME)) {
			
			if (object instanceof MKeyBinding) {
				return CommandsPackageImpl.eINSTANCE.getKeyBinding_Command();
			} else if (object instanceof MHandler) {
				return CommandsPackageImpl.eINSTANCE.getHandler_Command();
			}
			return MenuPackageImpl.eINSTANCE.getHandledItem_Command();
		} else if (featureName.equals(COMMAND_PARAMETERS_ATTNAME)) {
			return CommandsPackageImpl.eINSTANCE.getKeyBinding_Parameters();
		} else if (featureName.equals(ITEM_ENABLED_ATTNAME)) {
			return MenuPackageImpl.eINSTANCE.getItem_Enabled();
		} else if (featureName.equals(ITEM_SELECTED_ATTNAME)) {
			return MenuPackageImpl.eINSTANCE.getItem_Selected();
		} else if (featureName.equals(ITEM_TYPE_ATTNAME)) {
			return MenuPackageImpl.eINSTANCE.getItem_Type();
		} else if (featureName.equals(PART_MENUS_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getPart_Menus();