@end itemize
Technically bundle is valid POSIX.1-2001 (pax)
-@url{http://www.freebsd.org/cgi/man.cgi?query=tar&sektion=5, tar archive},
+@url{http://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html, tar archive},
with directory/files hierarchy identical to that is used in
@ref{nncp-xfer}: @file{NNCP/RECIPIENT/SENDER/PACKET}. So bundle can also
be created by manual tar-ing of @command{nncp-xfer} resulting directory.