Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

General mdoc(7) and typo fixes.

PR: 167713
Submitted by: Nobuyuki Koganemaru (kogane!jp.freebsd.org)

unlinkat(2): unlinkat(AT_REMOVEDIR) fails with ENOTEMPTY like rmdir()
for non-empty directories.

POSIX permits both ENOTEMPTY and EEXIST, but we use the clearer ENOTEMPTY,
following BSD tradition.

MFC after: 1 week

Mention EISDIR as a possible errno.

Man pages for the openat(2), fexecve(2) and related syscalls.

Reviewed by: ru

Per Regents of the University of Calfornia letter, remove advertising
clause.

# If I've done so improperly on a file, please let me know.

When directory is given as an argument for unlink(2), EPERM is returned
not matter if this is regular directory or a mount point.

Correct last commit. The parent directory of the file to be removed can
have undeletable flag set.

When undeletable flag is set, unlink(2) return EPERM.

Xref chflags(2).
Note that unlink.2 can return EPERM if the immutable or append-only flags are set.

PR: 77043

Mechanically kill hard sentence breaks.

mdoc(7) police: "The .Fa argument.".

mdoc(7) police: Tidy up the syscall language.

Stop calling system calls "function calls".

Use "The .Fn system call" a-la "The .Nm utility".

When referring to a non-BSD implementation in
the HISTORY section, call syscall a function,
to be safe.

Uniformly refer to a file system as "file system".

Approved by: re

mdoc(7) police: Use the new .In macro for #include statements.

Use the ``.Rv -std'' mdoc(7) macro in appropriate cases.

Reviewed by: ru

mdoc(7) police: removed HISTORY info from the .Os call.

Use `Er' variable to define first column width in ERRORS section. It was
initially suggested by mdoc(7) style, but was broken over the years

Introduce ".Lb" macro to libc manpages.

More libraries manpages updates following.

$Id$ -> $FreeBSD$

Revert $FreeBSD$ to $Id$

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

Remove the EINVAL error from the ERRORS sections that
say is means that a pathname had the high-order bit
set, since this is no longer an error.

add missing comma(s) in .Xr macros

Correctly use .Fn instead of .Nm to reference function names
in a bunch of man pages.

Use the correct .Bx (BSD UNIX) or .At (AT&T UNIX) macros
instead of explicitly specifying the version in the text
in a bunch of man pages.

Document that the superuser cannot override link() and unlink() on
directories, and mention that it was historical practice.

This commit was generated by cvs2svn to compensate for changes in r1573,
which included commits to RCS files with non-trunk default branches.

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