if (!isKeyValid(fSubstitutions[i])) { status.addFatalError(NLSUIMessages.ExternalizeWizardPage_warning_keyInvalid);
if (!isKeyValid(fSubstitutions[i], status))
	private void checkInvalidKeys(RefactoringStatus status) {		for (int i= 0; i < fSubstitutions.length; i++) {			if (!isKeyValid(fSubstitutions[i])) {				status.addFatalError(NLSUIMessages.ExternalizeWizardPage_warning_keyInvalid); 				return;			}		}	}