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bk credits(7.3.3)	    BitKeeper User's Manual	     bk	credits(7.3.3)

NAME
       bk credits - License info for software included with BitKeeper

BSD
       This  BSD  text	is  included with BitKeeper because BitKeeper is built
       with some libraries that	were included in the  original	4.4BSD	source
       distribution.

   BSD LICENSE TEXT
       Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.

       Redistribution and use in source	and binary forms, with or without mod-
       ification, are permitted	provided that  the  following  conditions  are
       met:

       Redistributions	of source code and documentation must retain the above
       copyright notice, this list of conditions and the following disclaimer.
       Redistributions	in  binary  form  must	reproduce  the above copyright
       notice, this list of conditions and the	following  disclaimer  in  the
       documentation and/or other materials provided with the distribution.

       All  advertising	 materials mentioning features or use of this software
       must display the	following acknowledgement:

       This product includes software developed	or owned by  Caldera  Interna-
       tional, Inc.

       Neither	the name of Caldera International, Inc.	nor the	names of other
       contributors may	be used	to endorse or promote  products	 derived  from
       this software without specific prior written permission.

       USE OF THE SOFTWARE PROVIDED FOR	UNDER THIS LICENSE BY CALDERA INTERNA-
       TIONAL, INC. AND	CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WAR-
       RANTIES,	 INCLUDING, BUT	NOT LIMITED TO,	THE IMPLIED WARRANTIES OF MER-
       CHANTABILITY AND	FITNESS	FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
       EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE FOR ANY DIRECT, INDI-
       RECT INCIDENTAL,	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES  (INCLUD-
       ING,  BUT  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
       LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)	HOWEVER	CAUSED
       AND  ON ANY THEORY OF LIABILITY,	WHETHER	IN CONTRACT, STRICT LIABILITY,
       OR TORT (INCLUDING NEGLIGENCE OR	OTHERWISE) ARISING IN ANY WAY  OUT  OF
       THE  USE	 OF  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
       DAMAGE.

   LZ4
       Fast LZ compression algorithm Copyright	(C)  2011-2012,	 Yann  Collet.
       BSD     2-Clause	   License    (http://www.opensource.org/licenses/bsd-
       license.php)

       Redistribution and use in source	and binary forms, with or without mod-
       ification,  are	permitted  provided  that the following	conditions are
       met:

       =>  Redistributions of source code  must	 retain	 the  above  copyright
	   notice, this	list of	conditions and the following disclaimer.
       =>  Redistributions  in	binary form must reproduce the above copyright
	   notice, this	list of	conditions and the following disclaimer	in the
	   documentation  and/or  other	 materials provided with the distribu-
	   tion.

       THIS SOFTWARE IS	PROVIDED BY THE	COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
       IS"  AND	 ANY EXPRESS OR	IMPLIED	WARRANTIES, INCLUDING, BUT NOT LIMITED
       TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTIC-
       ULAR  PURPOSE  ARE DISCLAIMED. IN NO EVENT SHALL	THE COPYRIGHT OWNER OR
       CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,	 INCIDENTAL,  SPECIAL,
       EXEMPLARY,  OR  CONSEQUENTIAL  DAMAGES  (INCLUDING, BUT NOT LIMITED TO,
       PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;  LOSS  OF  USE,  DATA,  OR
       PROFITS;	 OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
       LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,  OR  TORT  (INCLUDING
       NEGLIGENCE  OR  OTHERWISE)  ARISING  IN	ANY WAY	OUT OF THE USE OF THIS
       SOFTWARE, EVEN IF ADVISED OF THE	POSSIBILITY OF SUCH DAMAGE.

       You can contact the author at :

       =>  LZ4 homepage	: http://fastcompression.blogspot.com/p/lz4.html
       =>  LZ4 source repository : http://code.google.com/p/lz4/

GPL
       The GPL text is included	with BitKeeper because BitKeeper includes  the
       GNU  packages  diffutils	and patch.  These programs are the part	of the
       BitKeeper system	covered	by the GPL.

   GPL LICENSE TEXT
			     GNU GENERAL PUBLIC	LICENSE
				Version	2, June	1991

	       Copyright (C) 1989, 1991	Free Software Foundation, Inc.
	       59 Temple Place,	Suite 330, Boston, MA  02111-1307  USA
	    Everyone is	permitted to copy and distribute verbatim copies
	      of this license document,	but changing it	is not allowed.

       Preamble

       The licenses for	most software are designed to take away	 your  freedom
       to share	and change it.	By contrast, the GNU General Public License is
       intended	to guarantee your freedom  to  share  and  change  free	 soft-
       ware--to	 make  sure the	software is free for all its users.  This Gen-
       eral Public License applies to most of the Free	Software  Foundation's
       software	 and  to  any  other program whose authors commit to using it.
       (Some other Free	Software Foundation software is	 covered  by  the  GNU
       Library General Public License instead.)	 You can apply it to your pro-
       grams, too.

       When we speak of	free software, we are referring	to freedom, not	price.
       Our General Public Licenses are designed	to make	sure that you have the
       freedom to distribute copies of free software (and charge for this ser-
       vice  if	 you  wish), that you receive source code or can get it	if you
       want it,	that you can change the	software or use	pieces of  it  in  new
       free programs; and that you know	you can	do these things.

       To protect your rights, we need to make restrictions that forbid	anyone
       to deny you these rights	or to ask you to surrender the rights.	 These
       restrictions  translate to certain responsibilities for you if you dis-
       tribute copies of the software, or if you modify	it.

       For example, if you distribute copies of	such a program,	whether	gratis
       or  for	a  fee,	 you  must give	the recipients all the rights that you
       have.  You must make sure that they, too, receive or can	get the	source
       code.  And you must show	them these terms so they know their rights.

       We  protect your	rights with two	steps: (1) copyright the software, and
       (2) offer you this license which	gives you legal	 permission  to	 copy,
       distribute and/or modify	the software.

       Also,  for  each	 author's protection and ours, we want to make certain
       that everyone understands that there is no warranty for this free soft-
       ware.   If  the	software is modified by	someone	else and passed	on, we
       want its	recipients to know that	what they have is not the original, so
       that any	problems introduced by others will not reflect on the original
       authors'	reputations.

       Finally,	any free program is threatened constantly by software patents.
       We  wish	to avoid the danger that redistributors	of a free program will
       individually obtain patent licenses, in effect making the program  pro-
       prietary.   To prevent this, we have made it clear that any patent must
       be licensed for everyone's free use or not licensed at all.

       The precise terms and conditions	for copying, distribution and  modifi-
       cation follow.

				    GNU	GENERAL	PUBLIC LICENSE
	    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

       0.  This	 License applies to any	program	or other work which contains a
       notice placed by	the copyright holder  saying  it  may  be  distributed
       under  the terms	of this	General	Public License.	 The "Program",	below,
       refers to any such program or work, and a "work based on	 the  Program"
       means  either  the  Program or any derivative work under	copyright law:
       that is to say, a work containing the  Program  or  a  portion  of  it,
       either  verbatim	 or  with modifications	and/or translated into another
       language.  (Hereinafter,	translation is included	without	limitation  in
       the term	"modification".)  Each licensee	is addressed as	"you".

       Activities  other  than	copying, distribution and modification are not
       covered by this License;	they are outside its scope.  The act  of  run-
       ning  the Program is not	restricted, and	the output from	the Program is
       covered only if its contents constitute a work  based  on  the  Program
       (independent of having been made	by running the Program).  Whether that
       is true depends on what the Program does.

       1. You may copy and distribute verbatim copies of the Program's	source
       code  as	you receive it,	in any medium, provided	that you conspicuously
       and appropriately publish on each copy an appropriate copyright	notice
       and  disclaimer	of warranty; keep intact all the notices that refer to
       this License and	to the absence of any warranty;	 and  give  any	 other
       recipients  of  the  Program a copy of this License along with the Pro-
       gram.

       You may charge a	fee for	the physical act of transferring a  copy,  and
       you may at your option offer warranty protection	in exchange for	a fee.

       2.  You may modify your copy or copies of the Program or	any portion of
       it, thus	forming	a work based on	the Program, and copy  and  distribute
       such modifications or work under	the terms of Section 1 above, provided
       that you	also meet all of these conditions:

       a)  You must cause the modified files to	carry prominent	notices	 stat-
	   ing that you	changed	the files and the date of any change.

       b)  You	must  cause  any  work that you	distribute or publish, that in
	   whole or in part contains or	is derived from	 the  Program  or  any
	   part	 thereof,  to be licensed as a whole at	no charge to all third
	   parties under the terms of this License.

       c)  If the modified program normally reads commands interactively  when
	   run,	 you  must cause it, when started running for such interactive
	   use in the most ordinary way, to print or display  an  announcement
	   including  an  appropriate copyright	notice and a notice that there
	   is no warranty (or else, saying that	you provide  a	warranty)  and
	   that	users may redistribute the program under these conditions, and
	   telling the user how	to view	a copy of this	License.   (Exception:
	   if  the  Program  itself is interactive but does not	normally print
	   such	an announcement,  your	work  based  on	 the  Program  is  not
	   required to print an	announcement.)

       These requirements apply	to the modified	work as	a whole.  If identifi-
       able sections of	that work are not derived from the Program, and	can be
       reasonably  considered  independent  and	 separate works	in themselves,
       then this License, and its terms, do not	apply to those	sections  when
       you  distribute	them  as  separate works.  But when you	distribute the
       same sections as	part of	a whole	which is a work	based on the  Program,
       the  distribution  of  the  whole must be on the	terms of this License,
       whose permissions for other licensees extend to the entire  whole,  and
       thus to each and	every part regardless of who wrote it.

       Thus,  it  is not the intent of this section to claim rights or contest
       your rights to work written entirely by you; rather, the	intent	is  to
       exercise	the right to control the distribution of derivative or collec-
       tive works based	on the Program.

       In addition, mere aggregation of	another	work not based on the  Program
       with the	Program	(or with a work	based on the Program) on a volume of a
       storage or distribution medium does not bring the other work under  the
       scope of	this License.

       3.  You	may  copy  and	distribute the Program (or a work based	on it,
       under Section 2)	in object code or executable form under	the  terms  of
       Sections	1 and 2	above provided that you	also do	one of the following:

       a)  Accompany  it  with	the  complete  corresponding  machine-readable
	   source code,	which must be distributed under	the terms of  Sections
	   1  and  2  above  on	 a medium customarily used for software	inter-
	   change; or,

       b)  Accompany it	with a written offer, valid for	at least three	years,
	   to  give  any  third	 party,	for a charge no	more than your cost of
	   physically performing source	distribution, a	complete machine-read-
	   able	copy of	the corresponding source code, to be distributed under
	   the terms of	Sections 1 and 2 above on a  medium  customarily  used
	   for software	interchange; or,

       c)  Accompany  it  with the information you received as to the offer to
	   distribute corresponding source code.  (This	alternative is allowed
	   only	 for  noncommercial  distribution and only if you received the
	   program in object code or executable	form with such	an  offer,  in
	   accord with Subsection b above.)

       The  source  code  for  a work means the	preferred form of the work for
       making modifications to it.  For	an executable  work,  complete	source
       code  means  all	 the source code for all modules it contains, plus any
       associated interface definition files, plus the scripts used to control
       compilation  and	installation of	the executable.	 However, as a special
       exception, the source code distributed need not include	anything  that
       is  normally  distributed  (in  either  source or binary	form) with the
       major components	(compiler, kernel, and so on) of the operating	system
       on  which the executable	runs, unless that component itself accompanies
       the executable.

       If distribution of executable or	object code is made by offering	access
       to  copy	 from  a  designated place, then offering equivalent access to
       copy the	source code from the same place	counts as distribution of  the
       source  code,  even  though third parties are not compelled to copy the
       source along with the object code.

       4. You may not copy, modify,  sublicense,  or  distribute  the  Program
       except as expressly provided under this License.	 Any attempt otherwise
       to copy,	modify,	sublicense or distribute the Program is	void, and will
       automatically  terminate	your rights under this License.	 However, par-
       ties who	have received copies, or rights, from you under	 this  License
       will  not have their licenses terminated	so long	as such	parties	remain
       in full compliance.

       5. You are not required to accept this  License,	 since	you  have  not
       signed  it.   However,  nothing else grants you permission to modify or
       distribute the Program or its derivative	works.	These actions are pro-
       hibited	by law if you do not accept this License.  Therefore, by modi-
       fying or	distributing the Program (or any work based on	the  Program),
       you  indicate  your  acceptance	of  this License to do so, and all its
       terms and conditions for	copying, distributing or modifying the Program
       or works	based on it.

       6.  Each	 time  you  redistribute the Program (or any work based	on the
       Program), the recipient automatically receives a	license	from the orig-
       inal  licensor  to  copy,  distribute  or modify	the Program subject to
       these terms and conditions.  You	may not	impose	any  further  restric-
       tions  on  the  recipients' exercise of the rights granted herein.  You
       are not responsible for enforcing compliance by third parties  to  this
       License.

       7.  If,	as  a  consequence of a	court judgment or allegation of	patent
       infringement or for any other reason (not limited  to  patent  issues),
       conditions  are	imposed	 on  you (whether by court order, agreement or
       otherwise) that contradict the conditions of this License, they do  not
       excuse you from the conditions of this License.	If you cannot distrib-
       ute so as to satisfy simultaneously your	obligations under this License
       and  any	other pertinent	obligations, then as a consequence you may not
       distribute the Program at all.  For example, if a patent	license	 would
       not  permit royalty-free	redistribution of the Program by all those who
       receive copies directly or indirectly through you, then	the  only  way
       you could satisfy both it and this License would	be to refrain entirely
       from distribution of the	Program.

       If any portion of this section is held invalid or  unenforceable	 under
       any  particular circumstance, the balance of the	section	is intended to
       apply and the section as	a whole	is intended to apply in	other  circum-
       stances.

       It  is  not  the	 purpose of this section to induce you to infringe any
       patents or other	property right claims or to contest  validity  of  any
       such claims; this section has the sole purpose of protecting the	integ-
       rity of the free	software distribution system, which is implemented  by
       public license practices.  Many people have made	generous contributions
       to the wide range  of  software	distributed  through  that  system  in
       reliance	 on  consistent	 application  of  that system; it is up	to the
       author/donor to decide if he or she is willing to  distribute  software
       through any other system	and a licensee cannot impose that choice.

       This  section  is intended to make thoroughly clear what	is believed to
       be a consequence	of the rest of this License.

       8. If the distribution and/or use of the	Program	is restricted in  cer-
       tain  countries	either	by  patents  or	by copyrighted interfaces, the
       original	copyright holder who places the	Program	under this License may
       add  an	explicit  geographical distribution limitation excluding those
       countries, so that distribution is permitted only in or among countries
       not thus	excluded.  In such case, this License incorporates the limita-
       tion as if written in the body of this License.

       9. The Free Software Foundation may publish revised and/or new versions
       of  the	General	 Public	 License from time to time.  Such new versions
       will be similar in spirit to the	present	version,  but  may  differ  in
       detail to address new problems or concerns.

       Each  version is	given a	distinguishing version number.	If the Program
       specifies a version number of this License which	applies	to it and "any
       later  version",	 you have the option of	following the terms and	condi-
       tions either of that version or of any later version published  by  the
       Free  Software  Foundation.   If	the Program does not specify a version
       number of this License, you may choose any version  ever	 published  by
       the Free	Software Foundation.

       10.  If	you  wish  to incorporate parts	of the Program into other free
       programs	whose distribution conditions  are  different,	write  to  the
       author to ask for permission.  For software which is copyrighted	by the
       Free Software Foundation, write to the  Free  Software  Foundation;  we
       sometimes make exceptions for this.  Our	decision will be guided	by the
       two goals of preserving the free	status of all derivatives of our  free
       software	and of promoting the sharing and reuse of software generally.

					    NO WARRANTY

       11.  BECAUSE  THE  PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WAR-
       RANTY FOR THE PROGRAM, TO  THE  EXTENT  PERMITTED  BY  APPLICABLE  LAW.
       EXCEPT  WHEN  OTHERWISE	STATED IN WRITING THE COPYRIGHT	HOLDERS	AND/OR
       OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND,
       EITHER EXPRESSED	OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
       WARRANTIES OF MERCHANTABILITY AND FITNESS  FOR  A  PARTICULAR  PURPOSE.
       THE  ENTIRE  RISK  AS  TO THE QUALITY AND PERFORMANCE OF	THE PROGRAM IS
       WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE  COST  OF
       ALL NECESSARY SERVICING,	REPAIR OR CORRECTION.

       12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRIT-
       ING WILL	ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY	AND/OR
       REDISTRIBUTE  THE PROGRAM AS PERMITTED ABOVE, BE	LIABLE TO YOU FOR DAM-
       AGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL	OR CONSEQUENTIAL  DAM-
       AGES  ARISING OUT OF THE	USE OR INABILITY TO USE	THE PROGRAM (INCLUDING
       BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING  RENDERED	INACCURATE  OR
       LOSSES SUSTAINED	BY YOU OR THIRD	PARTIES	OR A FAILURE OF	THE PROGRAM TO
       OPERATE WITH ANY	OTHER PROGRAMS), EVEN IF SUCH HOLDER  OR  OTHER	 PARTY
       HAS BEEN	ADVISED	OF THE POSSIBILITY OF SUCH DAMAGES.

				    END	OF TERMS AND CONDITIONS

		      How to Apply These Terms to Your New Programs

       If  you	develop	 a  new	program, and you want it to be of the greatest
       possible	use to the public, the best way	to achieve this	is to make  it
       free  software  which  everyone can redistribute	and change under these
       terms.

       To do so, attach	the following notices to the program.  It is safest to
       attach them to the start	of each	source file to most effectively	convey
       the exclusion of	warranty; and each  file  should  have	at  least  the
       "copyright" line	and a pointer to where the full	notice is found.

	      <one line	to give	the program's name and a brief idea of what it does.>
	      Copyright	(C) 19yy  <name	of author>

	      This program is free software; you can redistribute it and/or modify
	      it under the terms of the	GNU General Public License as published	by
	      the Free Software	Foundation; either version 2 of	the License, or
	      (at your option) any later version.

	      This program is distributed in the hope that it will be useful,
	      but WITHOUT ANY WARRANTY;	without	even the implied warranty of
	      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See	the
	      GNU General Public License for more details.

	      You should have received a copy of the GNU General Public	License
	      along with this program; if not, write to	the Free Software
	      Foundation, Inc.,	59 Temple Place, Suite 330, Boston, MA	02111-1307  USA
       Also  add  information  on  how	to contact you by electronic and paper
       mail.

       If the program is interactive, make it output a short notice like  this
       when it starts in an interactive	mode:
	      Gnomovision version 69, Copyright	(C) 19yy name of author
	      Gnomovision comes	with ABSOLUTELY	NO WARRANTY; for details type `show w'.
	      This is free software, and you are welcome to redistribute it
	      under certain conditions;	type `show c' for details.
       The  hypothetical commands `show	w' and `show c'	should show the	appro-
       priate parts of the General Public License.  Of	course,	 the  commands
       you  use	may be called something	other than `show w' and	`show c'; they
       could even be mouse-clicks or menu items--whatever suits	your program.

       You should also get your	employer (if you work as a programmer) or your
       school,	if  any,  to sign a "copyright disclaimer" for the program, if
       necessary.  Here	is a sample; alter the names:
	      Yoyodyne,	Inc., hereby disclaims all copyright interest in the program
	      `Gnomovision' (which makes passes	at compilers) written by James Hacker.

	      <signature of Ty Coon>, 1	April 1989
	      Ty Coon, President of Vice
       This General Public License does	not permit incorporating your  program
       into  proprietary  programs.   If your program is a subroutine library,
       you may consider	it more	useful to permit linking proprietary  applica-
       tions  with  the	 library.  If this is what you want to do, use the GNU
       Library General Public License instead of this License.

CATEGORY
       Compat

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NAME | BSD | GPL | CATEGORY

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