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* NEWS: Record release date.

* tests/tail-2/wait.sh: Restrict inotify specific test portion
to local file systems and also not with ---disable-inotify specified.
Failure noticed on NFS.

* tests/rm/rm1.sh: Also remove the group write bit which
was required on one NFS setup at least.  Note u-w was
enough to deny file creation, g-w was also required to
deny file removal.
* tests/rm/cycle.sh: Likewise.
* tests/mv/perm-1.sh: Likewise.

* tests/cp/preserve-slink-time.sh: Add a delay between the
ln and the cp so that there is enough difference between
the timestamps so GPFS won't discard the update.
Reported by Assaf Gordon.

* tests/misc/shred-passes.sh: Specify an exact amount to shred,
to avoid running out of simulated random data on file systems
with a large st_blksize like GPFS for example.
Reported by Assaf Gordon.

tests/tail-2/F-headers.sh and test/tail-2/retry.sh fail on
on remote file systems due to tail going into inotify mode
due to not being able to determine the remoteness of the
non existent files.

* src/tail.c (any_non_remote_file): A new function used
to disable inotify when there are no open files, as
we can't determine remoteness in that case.
* NEWS: Mention the bug fix.

* gnulib: Update to latest where the only change is to
not unconditionally enable leaf optimization for fts on NFS,
as it was seen to abort() with some NFS servers as per:
https://bugzilla.redhat.com/1299169
This affects utilities that traverse directories like
cp, rm, chmod etc.
* NEWS: Adjust the improvement message to leave only XFS.

* tests/misc/head-c.sh: Further increase the limit to 8MB over
the base test command.  5.1MB was seen as minimum extra needed
on FreeBSD 9.3 x86_64.

* tests/rm/dangling-symlink.sh: The effective delay was only
1.5s.  So delay before the operation, and increase the iteration
count by 1 to increase the delay to 6.3s.  This failure was
noticed once on a FreeBSD 10.2 x86_64 virtual machine.
* tests/dd/stats.sh: Remove quotes on sleep argument
to ensure arguments are accumulated appropriately.
* tests/du/move-dir-while-traversing.sh: sleep before operation,
to increase the effective delay from 1.6s to 3.2s.
* tests/tail-2/flush-initial.sh: Likewise.
* tests/tail-2/pipe-f2.sh: Sleep first so that the effective delay
matches the commented value.

* tests/rm/r-root.sh: This test was seen to ERROR due to
sed input not having a terminating '\n'.  Therefore just skip
with diagnostics upon failure to adjust the error output with sed.
Reported by Assaf Gordon.

* tests/install/create-leading.sh: Ensure $PWD is quoted.
Reported by `make dist-check`.

Mainly for:

* dce117a sig2str: list all signals on FreeBSD >= 7
* cff4b38 acl-permissions: port to USE_ACL==0 platforms

* init.cfg (dump_mount_list_): A new function to output the
system mount list.
* tests/df/df-symlink.sh: Call dump_mount_list_ upon failure.
* tests/df/over-mount-device.sh: Likewise.
* tests/df/problematic-chars.sh: Likewise.
* tests/df/skip-rootfs.sh: Likewise.
* tests/df/total-verify.sh: Likewise.
* tests/df/unreadable.sh: Likewise.

* tests/df/df-symlink.sh: Only check the symmetry of
the source <-> target lookup, when the source is only mounted once,
which isn't the case if '.' is a BTRFS subvolume for example.
Reported by Assaf Gordon on a default OpenSUSE 42.1 install.

* src/copy.c (copy internal): Remember directories irrespective
of their link count, because on some file systems like BTRFS,
directories always have a link count of 1.

* tests/misc/date.pl: This test was dependent on perl
unconditionally calling the system localtime() as date(1) does.
However perl has its own configure checks in place to avoid buggy
localtime implementations.  Therefore comment out this test
as a FIXME for now.  This test was seen to fail on FreeBSD 10
where localtime() returns nonsense values instead of failing
for arguments >= 2^56.

* tests/misc/head-c.sh: Further increase the limit, to account
for the fact that head(1) needs at least 1.576MB over the base test
command on FreeBSD 10.  4MB should be enough headroom while
still providing over allocation protection.
Reported by Assaf Gordon.

* src/operand2sig.c (operand2sig): Add a detailed comment explaining
why we validate even very large shell exit status values.
* tests/misc/kill.sh: Add a test case for the ksh scheme.
Simplify the INVALID signal number determination which also avoids
a false failure on systems like FreeBSD 10 with incomplete
signal list (caused by inaccurate NSIG).

* tests/cp/fiemap-extents.sh: Support RHEL6 fallocate
which doesn't support IEC suffixes like "MiB" on numbers.
Also add some extra framework_failure_ protections.
Reported by Assaf Gordon.

* init.cfg (get_min_ulimit_v_): Refactor ulimit call to...
(ulimit_supported_): ...here, and add calls to avoid coredumps.

Locale categories are not equivalent on OpenBSD,
and LC_COLLATE only supports "C" for example.
Now LC_ALL is supported to set multiple other categories
on OpenBSD, so setlocale(LC_ALL, "") returns a string
indicating which categories were updated and which ignored.
Therefore...

* src/sort.c (main): ...Call setlocale(LC_COLLATE, "")
to explicitly check whether a specified LC_ALL or
LC_COLLATE environment variable value is supported
for the LC_COLLATE category.  Also use !! to explicitly
convert to bool to support c89 systems where bool is an int,
and thus would get values > 1.
Reported by Assaf Gordon.

* doc/local.mk (constants.texi): Remove temp file.

* NEWS: s/descendent/descendant/; s/indiscriminite/indiscriminate/.
* cfg.mk (old_NEWS_hash): Update via `make update-NEWS-hash`.

doc/coreutils.texi (dd invocation): Add oflag=sync to the streaming
example.  Also reference the "direct" flag.  Mention this is only
a request to the system.
* src/dd.c (usage): Mention the "sync" flag along with "nocache".
Also mention that it's only a request to drop the cache.
* THANKS.in: Add reporter Francois Rigault.

* src/stat.c (usage): Mention the '#' and '0' flags are useful with %a.
* doc/coreutils.texi (stat invocation): Likewise.  Also give an example
printing unambiguous octal output.
Reported at http://bugs.debian.org/810539

commit v8.23-31-g90aa291c failed to consider this case,
where the previous rename has failed, thus causing the
following to remove the specified directory:

  mv dir dir dir

* src/copy.c (copy_internal): Assume this rename attempt has
succeeded, as a previous failure will already have been handled,
and we don't want to remove the source directory in this case.
* tests/cp/duplicate-sources.sh: Consolidate this test file to...
* tests/mv/dup-source.sh: ...here.  Add test cases for same
source and dest.
* tests/local.mk: Remove the consolidated test.
* NEWS: Mention the bug fix.

Reported at https://bugzilla.redhat.com/1297464

* tests/misc/wc-files0.sh: $fail is always set to 0,
so correct the test to include that part of the test case.

* src/wc.c (write_counts): Shell escape the file name
if it contains '\n' so only a single line per file is output.
* tests/misc/wc-files0.sh: Add a test case.
* NEWS: Mention the improvement.

* doc/coreutils.texi (numfmt invocation): Reference the description.
* src/numfmt.c: Parameterize '\n' references.
* tests/misc/numfmt.pl: Add tests for character and field processing.
* NEWS: Mention the new feature.

* doc/coreutils.texi (paste invocation): Reference -z description.
* src/paste.c (main): Parameterize the use of '\n'.
* tests/misc/paste.pl: Add test cases.
* NEWS: Mention the new feature.

* src/comm.c (main): Track the output delimiter length,
so that it can be adjusted to 1 for the NUL delimiter.
Also rename the global variable from "delimiter" to
"col_sep" so its use is more obvious, and to distinguish
from the recently added "delim" global variable.
* tests/misc/comm.pl: Adjust accordingly.

* doc/coreutils.texi (comm invocation): Reference option description.
* src/comm.c (main): Use readlinebuffer_delim() to support
a parameterized delimiter.
* tests/misc/comm.pl: Add test cases.
* NEWS: Mention the new feature.

* doc/coreutils.texi (tac invocation): Mention the
NUL delineation with an empty --separator.
* src/tac.c (main): Allow an empty separator when -r not specified.
* tests/misc/tac.pl: Add test cases.
* NEWS: Mention the new feature.
Fixes http://bugs.gnu.org/8103

* doc/coreutils.texi (cut invocation): Reference the description.
* src/cut.c: Parameterize '\n' references.
* tests/misc/cut.pl: Add tests for character and field processing.
* NEWS: Mention the new feature.

* doc/coreutils.texi: Reference the option description.
* src/head.c: Parameterize the delimiter character.
* src/tail.c: Likewise.
* tests/misc/head.pl: Add test case.
* tests/misc/tail.pl: Likewise.
* NEWS: Mention the new feature.

* NEWS: Mention the change in behavior.
* doc/coreutils.texi (newlineFieldSeparator): A new description,
referenced from ({join,sort,uniq} invocation).
* src/system.h (field_sep): A new inline function to determine
if a character is a field separator.
* src/join.c (usage): s/whitespace/blank/ to be more accurate
wrt which characters are field separators.
(xfields): s/isblank/field_sep/.
* src/sort.c (inittables): Likewise.
* src/uniq.c (find_field): Likewise.
* tests/misc/join.pl: Adjust -z test, and add a test/example
for processing the whole record with field processing.
* tests/misc/sort.pl: Add -z test cases, including case with '\n'.
* tests/misc/uniq.pl: Add -z -f test case with \n.

At least the false positive in tail-2/follow-stdin.sh could be seen
on a 4-core i5 system with -j8.  Fix similar cases. too.

* tests/tail-2/follow-stdin.sh: Empty the 'out' file in each iteration.
Otherwise, under heavy system load, 'check_tail_output' would see the
expected output from the previous round before tail would have the
chance to come up in the background.
While at it, move the creation of the 'exp' file out of the loop.
* tests/dd/stats.sh: Empty the output file of the background process
here, too.
* tests/misc/cat-buf.sh: Likewise.
* tests/misc/stdbuf.sh: Likewise.
* tests/tail-2/wait.sh: Likewise.

This is used to discard terminal output on FreeBSD based systems.

* src/stty.c (mode_info): Add FLUSHO where supported.
(usage): Document for "local" and "combination" settings.
* doc/coreutils.texi (local stty settings): Document,
mentioning that this option is supported but ignored on GNU/Linux.

Instead of commit v8.24-132-g5171befc which only provides
control to disable this behavior (with -I), provide
the symmetrical "[-]drain" special setting.

* src/stty.c (main): Parse the [-]drain setting instead of -I,
and treat like a global option.
(usage): Adjust accordingly.
* tests/misc/stty.sh: Test "drain" with and without options.
* NEWS: Mention the new feature.

In some cases an initial drain may block indefinitely as discussed at:
http://lists.gnu.org/archive/html/coreutils/2016-01/msg00007.html

* src/stty.c (main): Use TCSANOW rather than TCSADRAIN if -I specified.
(usage): Document the new option.
* doc/coreutils.texi (stty invocation): Likewise.
* tests/misc/stty.sh: Ensure -I is supported.
* NEWS: Mention the new feature.