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     1                     GNU GENERAL PUBLIC LICENSE
     1                     GNU GENERAL PUBLIC LICENSE
     2                        Version 2, June 1991
     2 		       Version 2, June 1991
     3 
     3 
     4  Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
     4  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
     5  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     5  59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
     6  Everyone is permitted to copy and distribute verbatim copies
     6  Everyone is permitted to copy and distribute verbatim copies
     7  of this license document, but changing it is not allowed.
     7  of this license document, but changing it is not allowed.
     8 
     8 
     9                             Preamble
     9 			    Preamble
    10 
    10 
    11   The licenses for most software are designed to take away your
    11   The licenses for most software are designed to take away your
    12 freedom to share and change it.  By contrast, the GNU General Public
    12 freedom to share and change it.  By contrast, the GNU General Public
    13 License is intended to guarantee your freedom to share and change free
    13 License is intended to guarantee your freedom to share and change free
    14 software--to make sure the software is free for all its users.  This
    14 software--to make sure the software is free for all its users.  This
    15 General Public License applies to most of the Free Software
    15 General Public License applies to most of the Free Software
    16 Foundation's software and to any other program whose authors commit to
    16 Foundation's software and to any other program whose authors commit to
    17 using it.  (Some other Free Software Foundation software is covered by
    17 using it.  (Some other Free Software Foundation software is covered by
    18 the GNU Lesser General Public License instead.)  You can apply it to
    18 the GNU Library General Public License instead.)  You can apply it to
    19 your programs, too.
    19 your programs, too.
    20 
    20 
    21   When we speak of free software, we are referring to freedom, not
    21   When we speak of free software, we are referring to freedom, not
    22 price.  Our General Public Licenses are designed to make sure that you
    22 price.  Our General Public Licenses are designed to make sure that you
    23 have the freedom to distribute copies of free software (and charge for
    23 have the freedom to distribute copies of free software (and charge for
    53 program proprietary.  To prevent this, we have made it clear that any
    53 program proprietary.  To prevent this, we have made it clear that any
    54 patent must be licensed for everyone's free use or not licensed at all.
    54 patent must be licensed for everyone's free use or not licensed at all.
    55 
    55 
    56   The precise terms and conditions for copying, distribution and
    56   The precise terms and conditions for copying, distribution and
    57 modification follow.
    57 modification follow.
    58 
    58 
    59                     GNU GENERAL PUBLIC LICENSE
    59 		    GNU GENERAL PUBLIC LICENSE
    60    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
    60    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
    61 
    61 
    62   0. This License applies to any program or other work which contains
    62   0. This License applies to any program or other work which contains
    63 a notice placed by the copyright holder saying it may be distributed
    63 a notice placed by the copyright holder saying it may be distributed
    64 under the terms of this General Public License.  The "Program", below,
    64 under the terms of this General Public License.  The "Program", below,
   108     a warranty) and that users may redistribute the program under
   108     a warranty) and that users may redistribute the program under
   109     these conditions, and telling the user how to view a copy of this
   109     these conditions, and telling the user how to view a copy of this
   110     License.  (Exception: if the Program itself is interactive but
   110     License.  (Exception: if the Program itself is interactive but
   111     does not normally print such an announcement, your work based on
   111     does not normally print such an announcement, your work based on
   112     the Program is not required to print an announcement.)
   112     the Program is not required to print an announcement.)
   113 
   113 
   114 These requirements apply to the modified work as a whole.  If
   114 These requirements apply to the modified work as a whole.  If
   115 identifiable sections of that work are not derived from the Program,
   115 identifiable sections of that work are not derived from the Program,
   116 and can be reasonably considered independent and separate works in
   116 and can be reasonably considered independent and separate works in
   117 themselves, then this License, and its terms, do not apply to those
   117 themselves, then this License, and its terms, do not apply to those
   118 sections when you distribute them as separate works.  But when you
   118 sections when you distribute them as separate works.  But when you
   146     distributed under the terms of Sections 1 and 2 above on a medium
   146     distributed under the terms of Sections 1 and 2 above on a medium
   147     customarily used for software interchange; or,
   147     customarily used for software interchange; or,
   148 
   148 
   149     c) Accompany it with the information you received as to the offer
   149     c) Accompany it with the information you received as to the offer
   150     to distribute corresponding source code.  (This alternative is
   150     to distribute corresponding source code.  (This alternative is
   151     allowed only for noncommercial distribution and only if you
   151     allowed only for non-commercial distribution and only if you
   152     received the program in object code or executable form with such
   152     received the program in object code or executable form with such
   153     an offer, in accord with Subsection b above.)
   153     an offer, in accord with Subsection b above.)
   154 
   154 
   155 The source code for a work means the preferred form of the work for
   155 The source code for a work means the preferred form of the work for
   156 making modifications to it.  For an executable work, complete source
   156 making modifications to it.  For an executable work, complete source
   166 If distribution of executable or object code is made by offering
   166 If distribution of executable or object code is made by offering
   167 access to copy from a designated place, then offering equivalent
   167 access to copy from a designated place, then offering equivalent
   168 access to copy the source code from the same place counts as
   168 access to copy the source code from the same place counts as
   169 distribution of the source code, even though third parties are not
   169 distribution of the source code, even though third parties are not
   170 compelled to copy the source along with the object code.
   170 compelled to copy the source along with the object code.
   171 
   171 
   172   4. You may not copy, modify, sublicense, or distribute the Program
   172   4. You may not copy, modify, sublicense, or distribute the Program
   173 except as expressly provided under this License.  Any attempt
   173 except as expressly provided under this License.  Any attempt
   174 otherwise to copy, modify, sublicense or distribute the Program is
   174 otherwise to copy, modify, sublicense or distribute the Program is
   175 void, and will automatically terminate your rights under this License.
   175 void, and will automatically terminate your rights under this License.
   176 However, parties who have received copies, or rights, from you under
   176 However, parties who have received copies, or rights, from you under
   223 to distribute software through any other system and a licensee cannot
   223 to distribute software through any other system and a licensee cannot
   224 impose that choice.
   224 impose that choice.
   225 
   225 
   226 This section is intended to make thoroughly clear what is believed to
   226 This section is intended to make thoroughly clear what is believed to
   227 be a consequence of the rest of this License.
   227 be a consequence of the rest of this License.
   228 
   228 
   229   8. If the distribution and/or use of the Program is restricted in
   229   8. If the distribution and/or use of the Program is restricted in
   230 certain countries either by patents or by copyrighted interfaces, the
   230 certain countries either by patents or by copyrighted interfaces, the
   231 original copyright holder who places the Program under this License
   231 original copyright holder who places the Program under this License
   232 may add an explicit geographical distribution limitation excluding
   232 may add an explicit geographical distribution limitation excluding
   233 those countries, so that distribution is permitted only in or among
   233 those countries, so that distribution is permitted only in or among
   253 Software Foundation, write to the Free Software Foundation; we sometimes
   253 Software Foundation, write to the Free Software Foundation; we sometimes
   254 make exceptions for this.  Our decision will be guided by the two goals
   254 make exceptions for this.  Our decision will be guided by the two goals
   255 of preserving the free status of all derivatives of our free software and
   255 of preserving the free status of all derivatives of our free software and
   256 of promoting the sharing and reuse of software generally.
   256 of promoting the sharing and reuse of software generally.
   257 
   257 
   258                             NO WARRANTY
   258 			    NO WARRANTY
   259 
   259 
   260   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
   260   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
   261 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
   261 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
   262 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
   262 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
   263 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
   263 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
   275 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
   275 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
   276 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
   276 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
   277 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
   277 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
   278 POSSIBILITY OF SUCH DAMAGES.
   278 POSSIBILITY OF SUCH DAMAGES.
   279 
   279 
   280                      END OF TERMS AND CONDITIONS
   280 		     END OF TERMS AND CONDITIONS
   281 
   281 
   282             How to Apply These Terms to Your New Programs
   282 RRDTOOL - Round Robin Database Tool
   283 
   283 A tool for fast logging of numerical data graphical display
   284   If you develop a new program, and you want it to be of the greatest
   284 of this data.
   285 possible use to the public, the best way to achieve this is to make it
   285 
   286 free software which everyone can redistribute and change under these terms.
   286 Copyright (c) 1997-2015 Tobias Oetiker
   287 
   287 All rights reserved.
   288   To do so, attach the following notices to the program.  It is safest
   288 
   289 to attach them to the start of each source file to most effectively
   289 GNU GPL License
   290 convey the exclusion of warranty; and each file should have at least
   290 ===============
   291 the "copyright" line and a pointer to where the full notice is found.
   291 
   292 
   292 This program is free software; you can redistribute it and/or modify it
   293     <one line to give the program's name and a brief idea of what it does.>
   293 under the terms of the GNU General Public License as published by the Free
       
   294 Software Foundation; either version 2 of the License, or (at your option)
       
   295 any later version.
       
   296 
       
   297 This program is distributed in the hope that it will be useful, but WITHOUT
       
   298 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
   299 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
       
   300 more details.
       
   301 
       
   302 You should have received a copy of the GNU General Public License along
       
   303 with this program; if not, write to the Free Software Foundation, Inc.,
       
   304 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
       
   305 
       
   306 FLOSS License Exception 
       
   307 =======================
       
   308 (Adapted from http://www.mysql.com/company/legal/licensing/foss-exception.html)
       
   309 
       
   310 I want specified Free/Libre and Open Source Software ("FLOSS")
       
   311 applications to be able to use specified GPL-licensed RRDtool
       
   312 libraries (the "Program") despite the fact that not all FLOSS licenses are
       
   313 compatible with version 2 of the GNU General Public License (the "GPL").
       
   314 
       
   315 As a special exception to the terms and conditions of version 2.0 of the GPL:
       
   316 
       
   317 You are free to distribute a Derivative Work that is formed entirely from
       
   318 the Program and one or more works (each, a "FLOSS Work") licensed under one
       
   319 or more of the licenses listed below, as long as:
       
   320 
       
   321 1. You obey the GPL in all respects for the Program and the Derivative
       
   322 Work, except for identifiable sections of the Derivative Work which are
       
   323 not derived from the Program, and which can reasonably be considered
       
   324 independent and separate works in themselves,
       
   325 
       
   326 2. all identifiable sections of the Derivative Work which are not derived
       
   327 from the Program, and which can reasonably be considered independent and
       
   328 separate works in themselves,
       
   329 
       
   330 1. are distributed subject to one of the FLOSS licenses listed
       
   331 below, and
       
   332 
       
   333 2. the object code or executable form of those sections are
       
   334 accompanied by the complete corresponding machine-readable source
       
   335 code for those sections on the same medium and under the same FLOSS
       
   336 license as the corresponding object code or executable forms of
       
   337 those sections, and
       
   338 
       
   339 3. any works which are aggregated with the Program or with a Derivative
       
   340 Work on a volume of a storage or distribution medium in accordance with
       
   341 the GPL, can reasonably be considered independent and separate works in
       
   342 themselves which are not derivatives of either the Program, a Derivative
       
   343 Work or a FLOSS Work.
       
   344 
       
   345 If the above conditions are not met, then the Program may only be copied,
       
   346 modified, distributed or used under the terms and conditions of the GPL.
       
   347 
       
   348 FLOSS License List
       
   349 ==================
       
   350 License name	Version(s)/Copyright Date
       
   351 Academic Free License		2.0
       
   352 Apache Software License	1.0/1.1/2.0
       
   353 Apple Public Source License	2.0
       
   354 Artistic license		From Perl 5.8.0
       
   355 BSD license			"July 22 1999"
       
   356 Common Public License		1.0
       
   357 GNU Library or "Lesser" General Public License (LGPL)	2.0/2.1
       
   358 IBM Public License, Version    1.0
       
   359 Jabber Open Source License	1.0
       
   360 MIT License (As listed in file MIT-License.txt)	-
       
   361 Mozilla Public License (MPL)	1.0/1.1
       
   362 Open Software License		2.0
       
   363 OpenSSL license (with original SSLeay license)	"2003" ("1998")
       
   364 PHP License			3.01
       
   365 Python license (CNRI Python License)	-
       
   366 Python Software Foundation License	2.1.1
       
   367 Sleepycat License		"1999"
       
   368 W3C License			"2001"
       
   369 X11 License			"2001"
       
   370 Zlib/libpng License		-
       
   371 Zope Public License		2.0/2.1
       
   372 
       
   373 		  GNU LESSER GENERAL PUBLIC LICENSE
       
   374 		       Version 2.1, February 1999
       
   375 
       
   376  Copyright (C) 1991, 1999 Free Software Foundation, Inc.
       
   377      59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
       
   378  Everyone is permitted to copy and distribute verbatim copies
       
   379  of this license document, but changing it is not allowed.
       
   380 
       
   381 [This is the first released version of the Lesser GPL.  It also counts
       
   382  as the successor of the GNU Library Public License, version 2, hence
       
   383  the version number 2.1.]
       
   384 
       
   385 			    Preamble
       
   386 
       
   387   The licenses for most software are designed to take away your
       
   388 freedom to share and change it.  By contrast, the GNU General Public
       
   389 Licenses are intended to guarantee your freedom to share and change
       
   390 free software--to make sure the software is free for all its users.
       
   391 
       
   392   This license, the Lesser General Public License, applies to some
       
   393 specially designated software packages--typically libraries--of the
       
   394 Free Software Foundation and other authors who decide to use it.  You
       
   395 can use it too, but we suggest you first think carefully about whether
       
   396 this license or the ordinary General Public License is the better
       
   397 strategy to use in any particular case, based on the explanations below.
       
   398 
       
   399   When we speak of free software, we are referring to freedom of use,
       
   400 not price.  Our General Public Licenses are designed to make sure that
       
   401 you have the freedom to distribute copies of free software (and charge
       
   402 for this service if you wish); that you receive source code or can get
       
   403 it if you want it; that you can change the software and use pieces of
       
   404 it in new free programs; and that you are informed that you can do
       
   405 these things.
       
   406 
       
   407   To protect your rights, we need to make restrictions that forbid
       
   408 distributors to deny you these rights or to ask you to surrender these
       
   409 rights.  These restrictions translate to certain responsibilities for
       
   410 you if you distribute copies of the library or if you modify it.
       
   411 
       
   412   For example, if you distribute copies of the library, whether gratis
       
   413 or for a fee, you must give the recipients all the rights that we gave
       
   414 you.  You must make sure that they, too, receive or can get the source
       
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   416 complete object files to the recipients, so that they can relink them
       
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   419 
       
   420   We protect your rights with a two-step method: (1) we copyright the
       
   421 library, and (2) we offer you this license, which gives you legal
       
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   423 
       
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   427 that what they have is not the original version, so that the original
       
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   429 introduced by others.
       
   430 
       
   431   Finally, software patents pose a constant threat to the existence of
       
   432 any free program.  We wish to make sure that a company cannot
       
   433 effectively restrict the users of a free program by obtaining a
       
   434 restrictive license from a patent holder.  Therefore, we insist that
       
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   436 consistent with the full freedom of use specified in this license.
       
   437 
       
   438   Most GNU software, including some libraries, is covered by the
       
   439 ordinary GNU General Public License.  This license, the GNU Lesser
       
   440 General Public License, applies to certain designated libraries, and
       
   441 is quite different from the ordinary General Public License.  We use
       
   442 this license for certain libraries in order to permit linking those
       
   443 libraries into non-free programs.
       
   444 
       
   445   When a program is linked with a library, whether statically or using
       
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   447 combined work, a derivative of the original library.  The ordinary
       
   448 General Public License therefore permits such linking only if the
       
   449 entire combination fits its criteria of freedom.  The Lesser General
       
   450 Public License permits more lax criteria for linking other code with
       
   451 the library.
       
   452 
       
   453   We call this license the "Lesser" General Public License because it
       
   454 does Less to protect the user's freedom than the ordinary General
       
   455 Public License.  It also provides other free software developers Less
       
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   457 are the reason we use the ordinary General Public License for many
       
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   460 
       
   461   For example, on rare occasions, there may be a special need to
       
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   468 
       
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   474 system.
       
   475 
       
   476   Although the Lesser General Public License is Less protective of the
       
   477 users' freedom, it does ensure that the user of a program that is
       
   478 linked with the Library has the freedom and the wherewithal to run
       
   479 that program using a modified version of the Library.
       
   480 
       
   481   The precise terms and conditions for copying, distribution and
       
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   483 "work based on the library" and a "work that uses the library".  The
       
   484 former contains code derived from the library, whereas the latter must
       
   485 be combined with the library in order to run.
       
   486 
       
   487 		  GNU LESSER GENERAL PUBLIC LICENSE
       
   488    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
       
   489 
       
   490   0. This License Agreement applies to any software library or other
       
   491 program which contains a notice placed by the copyright holder or
       
   492 other authorized party saying it may be distributed under the terms of
       
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   495 
       
   496   A "library" means a collection of software functions and/or data
       
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   513 
       
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   533 
       
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   553     its purpose remains meaningful.
       
   554 
       
   555     (For example, a function in a library to compute square roots has
       
   556     a purpose that is entirely well-defined independent of the
       
   557     application.  Therefore, Subsection 2d requires that any
       
   558     application-supplied function or table used by this function must
       
   559     be optional: if the application does not supply it, the square
       
   560     root function must still compute square roots.)
       
   561 
       
   562 These requirements apply to the modified work as a whole.  If
       
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   564 and can be reasonably considered independent and separate works in
       
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   572 
       
   573 Thus, it is not the intent of this section to claim rights or contest
       
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   580 a storage or distribution medium does not bring the other work under
       
   581 the scope of this License.
       
   582 
       
   583   3. You may opt to apply the terms of the ordinary GNU General Public
       
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   591 
       
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   618   However, linking a "work that uses the Library" with the Library
       
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   642 
       
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   704 
       
   705   7. You may place library facilities that are a work based on the
       
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   720 
       
   721   8. You may not copy, modify, sublicense, link with, or distribute
       
   722 the Library except as expressly provided under this License.  Any
       
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   728 
       
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   733 modifying or distributing the Library (or any work based on the
       
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   735 all its terms and conditions for copying, distributing or modifying
       
   736 the Library or works based on it.
       
   737 
       
   738   10. Each time you redistribute the Library (or any work based on the
       
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   745 
       
   746   11. If, as a consequence of a court judgment or allegation of patent
       
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   759 If any portion of this section is held invalid or unenforceable under any
       
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   773 
       
   774 This section is intended to make thoroughly clear what is believed to
       
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   776 
       
   777   12. If the distribution and/or use of the Library is restricted in
       
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   784 
       
   785   13. The Free Software Foundation may publish revised and/or new
       
   786 versions of the Lesser General Public License from time to time.
       
   787 Such new versions will be similar in spirit to the present version,
       
   788 but may differ in detail to address new problems or concerns.
       
   789 
       
   790 Each version is given a distinguishing version number.  If the Library
       
   791 specifies a version number of this License which applies to it and
       
   792 "any later version", you have the option of following the terms and
       
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   796 the Free Software Foundation.
       
   797 
       
   798   14. If you wish to incorporate parts of the Library into other free
       
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   804 of all derivatives of our free software and of promoting the sharing
       
   805 and reuse of software generally.
       
   806 
       
   807 			    NO WARRANTY
       
   808 
       
   809   15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
       
   810 WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
       
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   819   16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
       
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   829 
       
   830 		     END OF TERMS AND CONDITIONS
       
   831 
       
   832            How to Apply These Terms to Your New Libraries
       
   833 
       
   834   If you develop a new library, and you want it to be of the greatest
       
   835 possible use to the public, we recommend making it free software that
       
   836 everyone can redistribute and change.  You can do so by permitting
       
   837 redistribution under these terms (or, alternatively, under the terms of the
       
   838 ordinary General Public License).
       
   839 
       
   840   To apply these terms, attach the following notices to the library.  It is
       
   841 safest to attach them to the start of each source file to most effectively
       
   842 convey the exclusion of warranty; and each file should have at least the
       
   843 "copyright" line and a pointer to where the full notice is found.
       
   844 
       
   845     <one line to give the library's name and a brief idea of what it does.>
   294     Copyright (C) <year>  <name of author>
   846     Copyright (C) <year>  <name of author>
   295 
   847 
   296     This program is free software; you can redistribute it and/or modify
   848     This library is free software; you can redistribute it and/or
   297     it under the terms of the GNU General Public License as published by
   849     modify it under the terms of the GNU Lesser General Public
   298     the Free Software Foundation; either version 2 of the License, or
   850     License as published by the Free Software Foundation; either
   299     (at your option) any later version.
   851     version 2.1 of the License, or (at your option) any later version.
   300 
   852 
   301     This program is distributed in the hope that it will be useful,
   853     This library is distributed in the hope that it will be useful,
   302     but WITHOUT ANY WARRANTY; without even the implied warranty of
   854     but WITHOUT ANY WARRANTY; without even the implied warranty of
   303     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   855     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   304     GNU General Public License for more details.
   856     Lesser General Public License for more details.
   305 
   857 
   306     You should have received a copy of the GNU General Public License along
   858     You should have received a copy of the GNU Lesser General Public
   307     with this program; if not, write to the Free Software Foundation, Inc.,
   859     License along with this library; if not, write to the Free Software
   308     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   860     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   309 
   861 
   310 Also add information on how to contact you by electronic and paper mail.
   862 Also add information on how to contact you by electronic and paper mail.
   311 
   863 
   312 If the program is interactive, make it output a short notice like this
       
   313 when it starts in an interactive mode:
       
   314 
       
   315     Gnomovision version 69, Copyright (C) year name of author
       
   316     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
       
   317     This is free software, and you are welcome to redistribute it
       
   318     under certain conditions; type `show c' for details.
       
   319 
       
   320 The hypothetical commands `show w' and `show c' should show the appropriate
       
   321 parts of the General Public License.  Of course, the commands you use may
       
   322 be called something other than `show w' and `show c'; they could even be
       
   323 mouse-clicks or menu items--whatever suits your program.
       
   324 
       
   325 You should also get your employer (if you work as a programmer) or your
   864 You should also get your employer (if you work as a programmer) or your
   326 school, if any, to sign a "copyright disclaimer" for the program, if
   865 school, if any, to sign a "copyright disclaimer" for the library, if
   327 necessary.  Here is a sample; alter the names:
   866 necessary.  Here is a sample; alter the names:
   328 
   867 
   329   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
   868   Yoyodyne, Inc., hereby disclaims all copyright interest in the
   330   `Gnomovision' (which makes passes at compilers) written by James Hacker.
   869   library `Frob' (a library for tweaking knobs) written by James Random Hacker.
   331 
   870 
   332   <signature of Ty Coon>, 1 April 1989
   871   <signature of Ty Coon>, 1 April 1990
   333   Ty Coon, President of Vice
   872   Ty Coon, President of Vice
   334 
   873 
   335 This General Public License does not permit incorporating your program into
   874 That's all there is to it!
   336 proprietary programs.  If your program is a subroutine library, you may
       
   337 consider it more useful to permit linking proprietary applications with the
       
   338 library.  If this is what you want to do, use the GNU Lesser General
       
   339 Public License instead of this License.