explainTarError (PortabilityError (Tar.NonPortableFormat Tar.UstarFormat)) =
    error "explainTarError: impossible UstarFormat"
explainTarError (PortabilityError (Tar.NonPortableFormat Tar.UstarFormat)) =
    error "explainTarError: impossible UstarFormat"
explainTarError (PortabilityError (Tar.NonPortableFormat Tar.UstarFormat)) =
    error "explainTarError: impossible UstarFormat"