Bug#824902: tar: -X / --exclude-from silent failure

[Ben Caradoc-Davies]

And although -X / --exclude-from is missing from the latest man page, it 
is still documented in the HTML manual:
https://www.gnu.org/software/tar/manual/html_section/tar_49.html
Kind regards,

--
Ben Caradoc-Davies <b...@transient.nz>
Director
Transient Software Limited <http://transient.nz/>
New Zealand