File: Changelog

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 xautolock
 =========

 Authors : Michel Eyckmans (MCE) & Stefan De Troch (SDT)

 History : - Version 1.0  implemented on 22/07/1990
           - Version 1.1  for private use only
           - Version 1.2  for private use only
           - Version 1.3  for private use only
           - Version 1.4  for private use only
           - Version 1.6  for private use only
           - Version 1.7  released on 07/04/1992
           - Version 1.8  released on 15/05/1992
           - Version 1.9  released on 24/01/1995
           - Version 1.10 released on 22/02/1995
           - Version 1.11 released on 03/11/1997
           - Version 1.12 released on 09/08/1998
           - Version 1.13 released on 13/08/1998
           - Version 1.14 released on 18/11/1998
           - Version 1.15 released on 13/03/1999
           - Version 2.0  released on 06/05/2001
           - Version 2.1  released on 16/01/2002
           - Version 2.2  released on 28/12/2007

 Review  : - 28/12/2007 (MCE) :
             . Make `gcc -Wall' shut up about irrelevant stuff,
	       even if it's gcc 4.0 we're talking about.
           - 30/09/2007 (MCE) :
             . Updated contact information to reflect some turbulent
	       events of 2006.
           - 08/09/2004 (MCE) :
             . Make `gcc -Wall' shut up about irrelevant stuff,
	       even if it's gcc 3.4 we're talking about (patch
	       apparently by Pawel Worach <pawel.worach@telia.com>).
           - 20/04/2004 (MCE) :
             . Added the `-detectsleep' option (original patch by
	       Cedric Pradalier <cedric.pradalier@inrialpes.fr>.)
           - 12/12/2001 (MCE) :
	     . Made the `-notify' option work again. (Bug reported
	       by Matanya Elchanani <matanya@bridgeport.edu>.)
           - 10/09/2001 (MCE) :
	     . Re-ported to OpenVMS. (Once more thanks to Jouk 
	       Jansen <joukj@hrem.stm.tudelft.nl>.)
           - 05/05/2001 (MCE) :
	     . Disable the reading of $HOME/.Xdefaults files by
	       default. It's a bad idea. Users should always use
	       xrdb to process these. For more information, see
	       the comment in src/options.c.
             . More general clean up.
	     . Version 2.0 and above are GPL-ed.
           - 16/04/2001 (MCE) :
             . Finished the initial 2.0 work by recombining the 
               pieces into a more understandable structure.
           - 23/03/2001 (MCE) :
             . Started work on the 2.0 version by finally cutting
               the big mess into little pieces and ANSIfying them.
           - 01/11/1999 (MCE) :
             . Added the "-restart" option.
           - 02/09/1999 (MCE) :
             . On UNIX, only prepend the locker commands with `exec' 
               if they actually contain only a single command. (Bug
               reported by Guenther Grau <Guenther.Grau@bosch.com>.)
             . Removed some old and no longer used VMS cruft.
           - 01/06/1999 (MCE) :
             . Ignore any message found during the very first call
               to LookForMessages().
           - 06/04/1999 (MCE) :
             . Minor improvements to the VMS port. (Again thanks 
               to Jouk Jansen <joukj@hrem.stm.tudelft.nl>.)
           - 11/03/1999 (MCE) :
             . Fixed the communication code to always do the right
               thing when handling "-exit".
           - 16/02/1999 (MCE) :
             . Ripped out the use of signals to communicate with
               other xautolock processes. This removes the limit
               on the number of possible messages (yesterday's
               change was pushing that very hard) and makes things 
               more portable as well.
           - 15/02/1999 (MCE) :
             . Added the "-locknow", "-unlocknow", and "-nowlocker"
               options. (Thanks to Timo J Rinne <tri@iki.fi> for the
               original patch (slightly modified by me).)
             . Some minor clean up.
           - 05/02/1999 (MCE) :
             . The VMS port should now actually work more or less.
               (Thanks to Jouk Jansen <joukj@hrem.stm.tudelft.nl>
               for taking the trouble to actually submit a patch.)
             . Fixed an include file conflict on AIX. (Also thanks 
               to Jouk Jansen <joukj@hrem.stm.tudelft.nl>.)
           - 19/10/1998 (MCE) :
             . Added the "-exit" option. (Based on a patch by 
               Yakov Yukhnovetsky <yakov.yukhnovetsky@telrad.co.il>.)
           - 11/08/1998 (MCE) :
             . Include pwd.h to make the $HOME/.Xdefaults stuff
               compile on more platforms. (Problem reported by
               Jens Schleusener <Jens.Schleusener@dlr.de>.)
           - 09/08/1998 (MCE) :
             . Plugged a memory leak in the $HOME/.Xdefaults code.
             . Updated this changelog to always mention the full 
               names of people. Provided I know them, that is...
           - 03/06/1998 (MCE) :
             . Extended the (unreleased) debugging code somewhat.
           - 08/04/1998 (MCE) :
             . Cleaned up some of the stuff that LCLint complained 
               about (but definitely not all of it).
           - 14/11/1997 (MCE) :
             . Read resources from $HOME/.Xdefaults as a last resort.
               (Suggested by Marc Baudoin <Marc.Baudoin@solsoft.com>.)
           - 27/10/1997 (MCE) :
             . Added support for the MIT ScreenSaver extension.
             . Made gcc -Wall shut up on Linux and HP-UX 10.
           - 25/10/1997 (MCE) :
             . Merged in lots of VMS portability fixes taken 
               from the latest VMS version. (Original code
               by Hunter Goatley <goathunter@madgoat.com>.) Untested!
             . Replaced the "-killpid" option with the "-killer"
               one to allow for more flexibility.
           - 10/08/1997 (MCE) :
             . On VMS, use LIB$SPAWN rather than vfork to work
               around DECC/VAXC interoperability problems. (Taken
               from one of the many VMS branch versions.) Untested!
             . Added code to properly handle the -locker option
               to the VMS version. (Based on a patch by
               Erez Gur <gur.erez@a1.tavis.iso.mts.dec.com>.) Untested!
           - 30/06/1997 (MCE) :
             . Added the "-resetsaver" option to aid people with
               DPMS monitors. (Triggered by Ian Rawlings 
               <ian@tarcus.demon.co.uk>.)
           - 03/04/1997 (MCE) :
             . Cleaned up the (unreleased) debugging code.
             . Fixed some minor bugs concerning "-killpid" and
               "-killtime".
           - 21/08/1996 (MCE) :
             . Do not free() the return value of getenv().
               (Pointed out by Stefan Jais <stefan.jais@pr-steyr.ac.at>.)
           - 25/06/1996 (MCE) :
             . General clean up.
           - 23/06/1996 (MCE) :
             . Incorporated the "-secure", "-killtime" and
               "-killpid" options. (Based on a patch provided
               by Tony Mione <mione@nbcs.rutgers.edu>.)
           - 07/05/1996 (MCE) :
             . Allow the user to exploit the entire range of
               bell_percent values supported by XBell().
               (Suggested by Eddy De Greef <degreef@imec.be>.)
           - 29/04/1996 (MCE) :
             . Fixed a serious problem with the Xidle support.
               (Thanks to Lam N <lamn@cs.cuhk.hk> for attracting my
               attention to this one.)
           - 28/01/1996 (MCE) :
             . Minor stylistic editing.
           - 15/05/1995 (MCE) :
             . Removed the INITIAL_SLEEP stuff.
           - 08/05/1995 (MCE) :
             . Fixed a race condition in SelectEvents ().
           - 21/04/1995 (MCE) :
             . Better wording of the copyright notice 
               (no fundamental change).
           - 28/02/1995 (MCE) :
             . Added correct setup of the standard WM properties.
           - 21/02/1995 (MCE) :
             . Initial cleaning up of the #ifdef and #include stuff.
             . Be less pedantic when validating the notification
               margin if the `corners' feature is not being used.
             . Fixed a horrificly stupid blooper that was sometimes 
               causing the thing not to work at all. (Thanks to
               Don Lewis <gdonl@gv.ssi1.com> and Ben Suurmeijer
               <ben@telecom.ptt.nl> for attracting my attention 
               to this one.)
           - 01/02/1995 (MCE) :
             . Added a few unused intialisations because otherwise
               some compilers complain about them missing.
           - 23/01/1995 (MCE) :
             . Fixed various things ProLint complained about.
             . Fixed yet another minor oversight in option handling.
           - 20/01/1995 (MCE) :
             . Take the modifier mask into account when looking
               for pointer activity. (Idea taken from xscreensaver,
               which is by Jamie Zawinski <jwz@mcom.com>.)
             . Fixed a minor oversight in option handling.
             . Fixed some uninitialised memory problems, a rare
               null pointer dereference and a small memory leak.
               (Purify sure is a great tool!)
           - 03/01/1995 (MCE) :
             . Finally solved the logout problems under OpenWinDows.
               (Thanks to the many people who reported this one in
               the past, and in particular to John Kent 
               <badger@ssd.intel.com> for putting me on the right track.)
             . Some minor cosmetic changes.
           - 21/11/1994 (MCE) :
             . Added "#ifdef"s as needed by Novell Unixware. 
               (Thanks to Thanh Ma <tma@encore.com> for reporting this.)
             . Plugged a minor memory leak in the resource
               management code.
           - 10/11/1994 (MCE) :
             . Added "-notifier" option. (Based on a suggestion
               by Steve Woodard <woodard@peach.kodak.com>.)
             . Made the "xxx_SEMAPHORE_PID" stuff honour the
               prog_name stuff.
             . Casting fixes related to use of time_t.
           - 06/11/1994 (MCE) :
             . Several minor corrections for VMS.
             . Added #define _HPUX_SOURCE for c89 on HP/UX.
             . Totally reworked time-keeping code to protect it
               against incorrect implementations of sleep ().
           - 01/11/1994 (MCE) :
             . Added SIGUSR1 and SIGUSR2 support, as well as "-enable",
               "-disable", "-toggle" options.(Thanks to Christopher 
               Davis <ckd@loiosh.kei.com> for the initial patch.)
             . Renamed some stuff for better maintainability.
           - 14/10/1994 (MCE) :
             . Finally added Xidle support.
             . Return value of waitpid () on SYSV was being
               used incorrectly.
           - 21/09/1994 (MCE) :
             . Several minor code embellishments.
             . Better wording of the copyright statement.
             . Ported to VMS. (Thanks to Brian D. Reed
               <bdr@cbnewsg.cb.att.com> for providing the 
               nitty-gritty details.)
             . Resources now have a (dummy) resource class.
               (Thanks to JF Bonhomme <johnny@cett.alcatel-alsthom.fr>
               for pointing out that something had to be done here.)
             . Reworked resource processing. (Thanks to Joerg Lehrke
               <jlehrke@wmi.physik.tu-muenchen.de> for providing 
               the original patch (stripped by me).)
             . Create a dummy window for proper XKillCLient ()
               behaviour when using xdm without XDMCP or similar.
             . Added "-nocloseout" and "-nocloseerr".
           - 25/08/1994 (MCE) :
             . More accurate "usage" message.
           - 11/05/1994 (MCE) :
             . Corrected a "really stupid typo" ;-).
           - 23/12/1993 (MCE) :
             . Improved "#ifdef"s for SYSV. (Thanks to John Somerfield 
               <John.Somerfield@barclays.co.uk>.)
           - 13/08/1993 (MCE) :
             . Added "-cornerredelay" for reasons described in the
               man page.
           - 22/06/1993 (MCE) :
             . Reset screensaver upon locking the screen.
               (Suggested by Paul Mossip <mossip@vizlab.rutgers.edu>.)
             . Improved resource usage.
           - 21/12/1992 (MCE) :
             . Added code to circumvent a server initialisation bug
               (OpenWindows 2.0 and 3.0) related to XQueryPointer ().
               (Thanks to Eric Engstrom <engstrom@src.honeywell.com> 
               for providing the patch.)
           - 08/07/1992 (MCE) :
             . Efficiency improvements and code embellishments
             . Improved conditional "#include"s etc. (Thanks to
               Jonathan I. Kamens <jik@pit-manager.mit.edu> and
               Fred J.R. Appelman <fred@cv.ruu.nl>.)
             . Moved a couple of premature calls to free ().
               (Purify sure is a great tool!)
             . Fixed a race condition related to the `corners'
               feature.
             . Fixed a minor initialization bug. 
           - 11/05/1992 (MCE) :
             . Close stdout and stderr instead of using "2>&- 1>&-".
               (Suggested by Rainer Sinkwitz <sinkwitz@ifi.unizh.ch>.)
             . Added "-noclose" for debugging. 
           - 06/05/1992 (MCE) :
             . Fixed a few potential portability problems. (Thanks
               to Paul Smith <paul_smith@dg.com> again.)
             . CheckConnection () now works properly on multi-headed
               displays. (Thanks to Brian ? <brian@natinst.com> for
               testing the `multi-headed' support.)
             . Better version of Sleep ().
             . Recognize X resources for class "Xautolock".
             . Don't update timer while sighupped.
             . Switched to vfork () and execl ().
             . New copyright notice.
           - 28/04/1992 (MCE) :
             . Use the X resource manager.
           - 25/04/1992 (MCE) :
             . Added the `corners' feature. (Suggested by
               Neil I. Weisenfeld <weisen@alw.nih.gov>.)
             . Fixed a problem with pseudo-root windows. 
               (Thnaks to Chris Sherman <sherman@unx.sas.com>,
               Nathan Edwards <nedwards@titan.trl.oz.au>, Dave 
               Hayes <dave@elxr.jpl.nasa.gov>, and Tom McConnell
               <tmcconne@sedona.intel.com> for pointing out 
               the problem and testing the patch.)
             . Added `disable/enable on SIGHUP'. (Suggested by
               Paul Smith <paul_smith@dg.com>.)
             . Added support for multi-headed displays. 
           - 20/04/1992 (MCE) :
             . Cut Main () into more managable pieces.
             . Periodically call XQueryPointer ().
           - 15/04/1992 (MCE) :
             . Changed the default locker to "xlock 2>&- 1>&-".
             . Fixed a couple of event mask bugs. (Thanks to
               Jamie Zawinski <jwz@lucid.com> for running into these.)
             . Corrected a property type bug in CheckConnection ().
           - 24/03/1992 (MCE) :
             . Don't reset the timeout counter after receiving a
               synthetic or otherwise unexpected event.
           - 10/03/1992 (SDT & MCE) :
             . Added code to detect broken server connections.
           - 06/03/1992 (MCE) :
             . Re-arranged the event loop in order to detect defunct
               children as soon as possible.
           - 25/02/1992 (MCE) :
             . Added code to detect multiple invocations.
           - 24/02/1992 (MCE) :
             . Removed an initialization bug.
           - 21/02/1992 (MCE) :
             . Major rewrite.
           - 12/02/1992 (MCE) :
             . Hacked around a dxcalendar problem.

 ---------------------------------------------------------------------------

 Copyright 1990, 1992-1999, 2001-2002, 2004, 2007 by  Stefan De Troch and
 Michel Eyckmans.

 Versions 2.0 and above of xautolock are available under version 2 of the
 GNU GPL. Earlier versions are available under other conditions. For more
 information, see the License file.