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diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/doc/posix-headers/fcntl.texi b/gnulib/doc/posix-headers/fcntl.texi
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+@node fcntl.h
+@section @file{fcntl.h}
+
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/fcntl.h.html}
+
+Gnulib module: fcntl-h
+
+Portability problems fixed by Gnulib:
+@itemize
+@item
+The type @code{pid_t} is not defined on some platforms:
+MSVC 9.
+
+@item
+The type @code{mode_t} is not defined on some platforms:
+MSVC 9.
+
+@item
+@samp{O_CLOEXEC}, @samp{O_DIRECTORY}, @samp{O_DSYNC}, @samp{O_NOCTTY},
+@samp{O_NOFOLLOW}, @samp{O_RSYNC}, @samp{O_SYNC},
+and @samp{O_TTY_INIT} are not defined on some platforms.  Gnulib defines
+these macros to 0, which is generally safe.
+
+@item
+@samp{O_NONBLOCK} is not defined on some platforms.  If the
+@samp{nonblocking} module is in use, gnulib guarantees a working
+non-zero value; otherwise, the gnulib replacement is 0.
+
+@item
+@samp{O_EXEC} and @samp{O_SEARCH} are not defined on some platforms.
+Gnulib defines these macros to @samp{O_RDONLY}, which is typically 0.
+
+@item
+@samp{O_ACCMODE} is not defined on some platforms:
+MSVC 9.
+
+@item
+The @samp{O_ACCMODE} mask mistakenly omits @samp{O_SEARCH} and
+@samp{O_EXEC} on some platforms:
+Cygwin.
+
+@item
+@samp{O_BINARY}, @samp{O_TEXT} (not specified by POSIX, but essential for
+portability to Woe32 platforms) are defined on some platforms but not on
+others.
+
+@item
+@samp{O_DIRECT}, @samp{O_NDELAY}, @samp{O_NOATIME},
+and @samp{O_NOLINKS} (not specified by POSIX) are defined
+on some platforms but not on others.
+
+@item
+@samp{FD_CLOEXEC}, @samp{F_DUPFD}, and @samp{F_GETFD} are not defined
+on some platforms:
+mingw, MSVC 9.
+
+@item
+@samp{F_DUPFD_CLOEXEC} is not defined on some platforms:
+MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11,
+IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11, Cygwin 1.7.1, mingw, MSVC 9, Interix 3.5,
+BeOS.
+
+@item
+@samp{AT_FDCWD}, @samp{AT_EACCESS}, @samp{AT_SYMLINK_NOFOLLOW},
+@samp{AT_SYMLINK_FOLLOW}, and @samp{AT_REMOVEDIR}
+are not defined on many platforms:
+glibc 2.3.6, MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX
+5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 8, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
+
+@item
+@samp{AT_FDCWD} is defined with a value too large for an @code{int} on some
+platforms:
+Solaris 11 2010-11.
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+@item
+@samp{F_SETFD}, @samp{F_GETFL}, @samp{F_SETFL}, @samp{F_GETLK},
+@samp{F_SETLK}, @samp{F_SETLOKW}, @samp{F_GETOWN}, and @samp{F_SETOWN}
+are not defined on some platforms:
+mingw, MSVC 9.
+
+@item
+@samp{POSIX_FADV_DONTNEED}, @samp{POSIX_FADV_NOREUSE},
+@samp{POSIX_FADV_NORMAL}, @samp{POSIX_FADV_RANDOM},
+@samp{POSIX_FADV_SEQUENTIAL}, and @samp{POSIX_FADV_WILLNEED} are not
+defined on some platforms.
+@end itemize