* Add support for GNU private keywords in POSIX 1003.1-2001 headers,
so that the GNU extensions (--incremental, --label and
--multi-volume) may be used with POSIX archives.
* Add support for GNU private keywords in POSIX 1003.1-2001 headers,
so that the GNU extensions (--incremental, --label and
--multi-volume) may be used with POSIX archives.