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/basic/impl/WindowImpl.java
return y != Y_EDEFAULT;
			case BasicPackageImpl.WINDOW__WIDTH:
				return width != WIDTH_EDEFAULT;
			case BasicPackageImpl.WINDOW__HEIGHT:
				return height != HEIGHT_EDEFAULT;
			case BasicPackageImpl.WINDOW__WINDOWS:
				return windows != null && !windows.isEmpty();
			case BasicPackageImpl.WINDOW__SHARED_ELEMENTS:
				return sharedElements != null && !sharedElements.isEmpty();
		}
		return super.eIsSet(featureID);
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass) {
		if (baseClass == MUILabel.class) {
			switch (derivedFeatureID) {
				case BasicPackageImpl.WINDOW__LABEL: return UiPackageImpl.UI_LABEL__LABEL;
				case BasicPackageImpl.WINDOW__ICON_URI: return UiPackageImpl.UI_LABEL__ICON_URI;
				case BasicPackageImpl.WINDOW__TOOLTIP: return UiPackageImpl.UI_LABEL__TOOLTIP;
				default: return -1;
			}
		}
		if (baseClass == MContext.class) {
			switch (derivedFeatureID) {
				case BasicPackageImpl.WINDOW__CONTEXT: return UiPackageImpl.CONTEXT__CONTEXT;