Bug 306576 Externalization/translation of strings in xmi files
Currently our e4xmi files have various hard-coded English strings that are presented to the user (in particular the "label" attributes). Is there some mechanism already defined for externalization/translation of NLS strings from these xmi files? If not, we need to define one. Creating a new xmi file from scratch for each language won't scale, and won't allow switching languages after the product is installed.
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ui/advanced/impl/PerspectiveStackImpl.java
return children != null && !children.isEmpty();
			case AdvancedPackageImpl.PERSPECTIVE_STACK__SELECTED_ELEMENT:
				return selectedElement != null;
		}
		return super.eIsSet(featureID);
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass) {
		if (baseClass == MElementContainer.class) {
			switch (derivedFeatureID) {
				case AdvancedPackageImpl.PERSPECTIVE_STACK__CHILDREN: return UiPackageImpl.ELEMENT_CONTAINER__CHILDREN;
				case AdvancedPackageImpl.PERSPECTIVE_STACK__SELECTED_ELEMENT: return UiPackageImpl.ELEMENT_CONTAINER__SELECTED_ELEMENT;
				default: return -1;
			}
		}
		if (baseClass == MGenericStack.class) {
			switch (derivedFeatureID) {
				default: return -1;
			}
		}
		if (baseClass == MWindowElement.class) {
			switch (derivedFeatureID) {
				default: return -1;
			}
		}