Yes,
tar 1.27 supports ACLs, but that implementation needs bug fixes to bugs
that make a reliable backup and restore more or less impossible.
See https://bugzilla.redhat.com/show_bug.cgi?id=1052876
or http://lists.gnu.org/archive/html/bug-tar/2013-03/msg00021.html
I would be happy to see a fixed version at least at Debian experimental
- upstream maintainers might be happy to have test results...
Thanks
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