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(PART_TOOLBAR_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getPart_Toolbar();
		} else if (featureName.equals(GENERICTILE_HORIZONTAL_ATTNAME)) {
			return UiPackageImpl.eINSTANCE.getGenericTile_Horizontal();
		} else if (featureName.equals(GENERICTRIMCONTAINER_SIDE_ATTNAME)) {
			return UiPackageImpl.eINSTANCE.getGenericTrimContainer_Side();
		} else if (featureName.equals(HANDLERCONTAINER_HANDLERS_ATTNAME)) {
			return CommandsPackageImpl.eINSTANCE.getHandlerContainer_Handlers();
		} else if (featureName.equals(CONTRIBUTION_PERSISTEDSTATE_ATTNAME)) {
			return ApplicationPackageImpl.eINSTANCE.getContribution_PersistedState();
		} else if (featureName.equals(CONTRIBUTION_URI_ATTNAME)) {
			return ApplicationPackageImpl.eINSTANCE.getContribution_ContributionURI();
		} else if (featureName.equals(WINDOW_SHAREDELEMENTS_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getWindow_SharedElements();
		} else if (featureName.equals(WINDOW_MAINMENU_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getWindow_MainMenu();
		} else if (featureName.equals(WINDOW_X_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getWindow_X();
		} else if (featureName.equals(WINDOW_Y_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getWindow_Y();
		} else if (featureName.equals(WINDOW_WIDTH_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getWindow_Width();
		} else if (featureName.equals(WINDOW_HEIGHT_ATTNAME)) {
			return BasicPackageImpl.eINSTANCE.getWindow_Height();
		} else if (featureName.equals(PARTDESCRIPTOR_ALLOWMULTIPLE_ATTNAME)) {
			return org.eclipse.e4.ui.model.application.descriptor.basic.impl.BasicPackageImpl.eINSTANCE
					.getPartDescriptor_AllowMultiple();
		} else if (featureName.equals(PARTDESCRIPTOR_CATEGORY_ATTNAME)) {
			return org.eclipse.e4.ui.model.application.descriptor.basic.impl.BasicPackageImpl.eINSTANCE
					.getPartDescriptor_Category();