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             Gallmeister and Lewine are rather old books. Probably,
             there are better books to consult nowadays, and anyway,
             this man page isn't intended to be a bibliography.
+
+
+==================== Changes in man-pages-3.23 ====================
+
+Released: 2009-09-30, Munich
+
+
+Contributors
+------------
+
+The following people contributed notes, ideas, or patches that have
+been incorporated in changes in this release:
+
+Aaron Gardner <aaron.j.gardner@gmail.com>
+Andrey Vihrov <vihrov@gmail.com>
+Christoph Hellwig <hch@lst.de>
+Georg Sauthoff <gsauthof@techfak.uni-bielefeld.de>
+Leslie P. Polzer <sky@viridian-project.de>
+Marc Lehmann <debian-reportbug@plan9.de>
+Mark Hills <mark@pogo.org.uk>
+Michael Kerrisk <mtk.manpages@gmail.com>
+Mike Frysinger <vapier@gentoo.org>
+Nicolas François <nicolas.francois@centraliens.net>
+Serge Hallyn <serue@us.ibm.com>
+Siward de Groot <siward@ziggo.nl>
+rui rlex <rui.rlex@gmail.com>
+
+Apologies if I missed anyone!
+
+
+Changes to individual pages
+---------------------------
+
+execve.2
+pipe.2
+tee.2
+fmemopen.3
+mq_notify.3
+qsort.3
+    Michael Kerrisk
+        Replace use of assert() by code that checks argc
+            See http://bugzilla.kernel.org/show_bug.cgi?id=13569
+
+            As noted by Andrey:
+            The purpose of the assert macro, defined in <assert.h>,
+            is to provide a tool to check for programming mistakes
+            or program logic errors. However, the assert macro must
+            never be used to perform checks for run time errors,
+            since, with the NDEBUG macro defined, expressions within
+            the assert macro invocations are not evaluated/checked
+            for, resulting in behavior that was not originally intended.
+            ...
+            The pages affected in the core package are
+
+            execve(2)
+            pipe(2)
+            tee(2)
+            fmemopen(3)
+            mq_notify(3)
+            qsort(3)
+
+getrusage.2
+    Michael Kerrisk
+        ru_inblock and ru_oublock are now implemented
+            These fields of the rusage structure are filled in since
+            Linux 2.6.22.
+
+mmap.2
+    Michael Kerrisk
+        Add brief documentation of MAP_HUGETLB
+            This flag is new in 2.6.32, and serves a similar
+            purpose to the shmget() SHM_HUGETLB flag.
+
+open.2
+    Christoph Hellwig
+        add some comments on O_SYNC and friends
+
+poll.2
+    Michael Kerrisk
+        Clarify wording describing of 'nfds' argument.
+            reported by: rui rlex <rui.rlex@gmail.com>
+
+semctl.2
+    Nicolas François
+        Remove some redundant words
+
+setpgid.2
+    Michael Kerrisk
+        Add an explanation of orphaned process groups
+
+splice.2
+tee.2
+vmsplice.2
+    Mark Hills
+        Fix return type
+            Since glibc 2.7, the return type for these functions
+            is ssize_t (formerly it was long).
+
+stat.2
+    Nicolas François
+        Fix small bug in example program
+            Since it is a failure, EXIT_FAILURE looks more appropriate
+            than EXIT_SUCCESS.
+
+umount.2
+    Michael Kerrisk
+        glibc only exposes MNT_DETACH and MNT_EXPIRE since version 2.11
+            See http://sourceware.org/bugzilla/show_bug.cgi?id=10092
+
+exit.3
+    Michael Kerrisk
+        Add a pointer to explanation of orphaned process groups in setpgid(2)
+
+fflush.3
+    Michael Kerrisk
+        fflush() discards buffered input
+
+ffs.3
+    Michael Kerrisk
+        Clarify that ffsl() and ffsll() are GNU extensions
+
+getaddrinfo.3
+    Michael Kerrisk
+        Note nonstandard assumed hints.ai_flags value when hints is NULL
+            When hints is NULL, glibc assumes hints.ai_flags is
+            AI_V4MAPPED|AI_ADDRCONFIG whereas POSIX says 0.
+            According to Ulrich Drepper, glibc's behavior is better.
+
+getmntent.3
+    Mike Frysinger
+        setmntent() argument is 'filename' not 'fp'
+            The description of setmntent() formerly used the wrong
+            argument name.
+
+posix_fallocate.3
+    Nicolas François
+        Fix reference to POSIX.1-2008
+            The sentence mentions twice POSIX.1-2001.
+            I guess the second one should be POSIX.1-2008.
+            This should be checked in the standard.
+
+setenv.3
+    Michael Kerrisk
+        Improve ERRORS section
+            Add ENOMEM error; improve EINVAL description. Also, make
+            RETURN VALUE section a little more accurate in its mention
+            of errno.
+
+strftime.3
+    Nicolas François
+        Fix error in description: s/Monday/Thursday/
+
+proc.5
+    Nicolas François
+        Fix page cross reference
+            max_user_watches is better explained in epoll(7) than inotify(7).
+
+proc.5
+    Michael Kerrisk
+        dmesg is in section 1, not section 8
+
+capabilities.7
+    Michael Kerrisk
+        FS UID manipulations affect CAP_LINUX_IMMUTABLE and CAP_MKNOD
+            Nowadays, file system UID manipulations also affect
+            CAP_LINUX_IMMUTABLE (since 2.6.3) and CAP_MKNOD (since 2.6.29).
+
+capabilities.7
+    Michael Kerrisk
+        Fix version number for CAP_MKNOD in DS UID manipulations
+            A recent patch said "since 2.6.29". It should have
+            been "since 2.6.30".
+
+capabilities.7
+    Nicolas François
+        Reword a bad sentence in description of capability bounding set.
+
+mq_overview.7
+    Michael Kerrisk
+        Change documented ranges for msg_max and msgsize_max
+            Linux 2.6.28 changed the permissible ranges for
+            these /proc files.
+
+tcp.7
+udp.7
+    Nicolas François
+        Replace references to syctl interfaces with /proc