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/libraries/jquery/jqplot/ -> gpl-2.0.txt (source)

   1  Title: GPL Version 2
   2  
   3             GNU GENERAL PUBLIC LICENSE
   4                 Version 2, June 1991
   5  
   6   Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
   7   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   8   Everyone is permitted to copy and distribute verbatim copies
   9   of this license document, but changing it is not allowed.
  10  
  11                  Preamble
  12  
  13    The licenses for most software are designed to take away your
  14  freedom to share and change it.  By contrast, the GNU General Public
  15  License is intended to guarantee your freedom to share and change free
  16  software--to make sure the software is free for all its users.  This
  17  General Public License applies to most of the Free Software
  18  Foundation's software and to any other program whose authors commit to
  19  using it.  (Some other Free Software Foundation software is covered by
  20  the GNU Lesser General Public License instead.)  You can apply it to
  21  your programs, too.
  22  
  23    When we speak of free software, we are referring to freedom, not
  24  price.  Our General Public Licenses are designed to make sure that you
  25  have the freedom to distribute copies of free software (and charge for
  26  this service if you wish), that you receive source code or can get it
  27  if you want it, that you can change the software or use pieces of it
  28  in new free programs; and that you know you can do these things.
  29  
  30    To protect your rights, we need to make restrictions that forbid
  31  anyone to deny you these rights or to ask you to surrender the rights.
  32  These restrictions translate to certain responsibilities for you if you
  33  distribute copies of the software, or if you modify it.
  34  
  35    For example, if you distribute copies of such a program, whether
  36  gratis or for a fee, you must give the recipients all the rights that
  37  you have.  You must make sure that they, too, receive or can get the
  38  source code.  And you must show them these terms so they know their
  39  rights.
  40  
  41    We protect your rights with two steps: (1) copyright the software, and
  42  (2) offer you this license which gives you legal permission to copy,
  43  distribute and/or modify the software.
  44  
  45    Also, for each author's protection and ours, we want to make certain
  46  that everyone understands that there is no warranty for this free
  47  software.  If the software is modified by someone else and passed on, we
  48  want its recipients to know that what they have is not the original, so
  49  that any problems introduced by others will not reflect on the original
  50  authors' reputations.
  51  
  52    Finally, any free program is threatened constantly by software
  53  patents.  We wish to avoid the danger that redistributors of a free
  54  program will individually obtain patent licenses, in effect making the
  55  program proprietary.  To prevent this, we have made it clear that any
  56  patent must be licensed for everyone's free use or not licensed at all.
  57  
  58    The precise terms and conditions for copying, distribution and
  59  modification follow.
  60  
  61              GNU GENERAL PUBLIC LICENSE
  62     TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
  63  
  64    0. This License applies to any program or other work which contains
  65  a notice placed by the copyright holder saying it may be distributed
  66  under the terms of this General Public License.  The "Program", below,
  67  refers to any such program or work, and a "work based on the Program"
  68  means either the Program or any derivative work under copyright law:
  69  that is to say, a work containing the Program or a portion of it,
  70  either verbatim or with modifications and/or translated into another
  71  language.  (Hereinafter, translation is included without limitation in
  72  the term "modification".)  Each licensee is addressed as "you".
  73  
  74  Activities other than copying, distribution and modification are not
  75  covered by this License; they are outside its scope.  The act of
  76  running the Program is not restricted, and the output from the Program
  77  is covered only if its contents constitute a work based on the
  78  Program (independent of having been made by running the Program).
  79  Whether that is true depends on what the Program does.
  80  
  81    1. You may copy and distribute verbatim copies of the Program's
  82  source code as you receive it, in any medium, provided that you
  83  conspicuously and appropriately publish on each copy an appropriate
  84  copyright notice and disclaimer of warranty; keep intact all the
  85  notices that refer to this License and to the absence of any warranty;
  86  and give any other recipients of the Program a copy of this License
  87  along with the Program.
  88  
  89  You may charge a fee for the physical act of transferring a copy, and
  90  you may at your option offer warranty protection in exchange for a fee.
  91  
  92    2. You may modify your copy or copies of the Program or any portion
  93  of it, thus forming a work based on the Program, and copy and
  94  distribute such modifications or work under the terms of Section 1
  95  above, provided that you also meet all of these conditions:
  96  
  97      a) You must cause the modified files to carry prominent notices
  98      stating that you changed the files and the date of any change.
  99  
 100      b) You must cause any work that you distribute or publish, that in
 101      whole or in part contains or is derived from the Program or any
 102      part thereof, to be licensed as a whole at no charge to all third
 103      parties under the terms of this License.
 104  
 105      c) If the modified program normally reads commands interactively
 106      when run, you must cause it, when started running for such
 107      interactive use in the most ordinary way, to print or display an
 108      announcement including an appropriate copyright notice and a
 109      notice that there is no warranty (or else, saying that you provide
 110      a warranty) and that users may redistribute the program under
 111      these conditions, and telling the user how to view a copy of this
 112      License.  (Exception: if the Program itself is interactive but
 113      does not normally print such an announcement, your work based on
 114      the Program is not required to print an announcement.)
 115  
 116  These requirements apply to the modified work as a whole.  If
 117  identifiable sections of that work are not derived from the Program,
 118  and can be reasonably considered independent and separate works in
 119  themselves, then this License, and its terms, do not apply to those
 120  sections when you distribute them as separate works.  But when you
 121  distribute the same sections as part of a whole which is a work based
 122  on the Program, the distribution of the whole must be on the terms of
 123  this License, whose permissions for other licensees extend to the
 124  entire whole, and thus to each and every part regardless of who wrote it.
 125  
 126  Thus, it is not the intent of this section to claim rights or contest
 127  your rights to work written entirely by you; rather, the intent is to
 128  exercise the right to control the distribution of derivative or
 129  collective works based on the Program.
 130  
 131  In addition, mere aggregation of another work not based on the Program
 132  with the Program (or with a work based on the Program) on a volume of
 133  a storage or distribution medium does not bring the other work under
 134  the scope of this License.
 135  
 136    3. You may copy and distribute the Program (or a work based on it,
 137  under Section 2) in object code or executable form under the terms of
 138  Sections 1 and 2 above provided that you also do one of the following:
 139  
 140      a) Accompany it with the complete corresponding machine-readable
 141      source code, which must be distributed under the terms of Sections
 142      1 and 2 above on a medium customarily used for software interchange; or,
 143  
 144      b) Accompany it with a written offer, valid for at least three
 145      years, to give any third party, for a charge no more than your
 146      cost of physically performing source distribution, a complete
 147      machine-readable copy of the corresponding source code, to be
 148      distributed under the terms of Sections 1 and 2 above on a medium
 149      customarily used for software interchange; or,
 150  
 151      c) Accompany it with the information you received as to the offer
 152      to distribute corresponding source code.  (This alternative is
 153      allowed only for noncommercial distribution and only if you
 154      received the program in object code or executable form with such
 155      an offer, in accord with Subsection b above.)
 156  
 157  The source code for a work means the preferred form of the work for
 158  making modifications to it.  For an executable work, complete source
 159  code means all the source code for all modules it contains, plus any
 160  associated interface definition files, plus the scripts used to
 161  control compilation and installation of the executable.  However, as a
 162  special exception, the source code distributed need not include
 163  anything that is normally distributed (in either source or binary
 164  form) with the major components (compiler, kernel, and so on) of the
 165  operating system on which the executable runs, unless that component
 166  itself accompanies the executable.
 167  
 168  If distribution of executable or object code is made by offering
 169  access to copy from a designated place, then offering equivalent
 170  access to copy the source code from the same place counts as
 171  distribution of the source code, even though third parties are not
 172  compelled to copy the source along with the object code.
 173  
 174    4. You may not copy, modify, sublicense, or distribute the Program
 175  except as expressly provided under this License.  Any attempt
 176  otherwise to copy, modify, sublicense or distribute the Program is
 177  void, and will automatically terminate your rights under this License.
 178  However, parties who have received copies, or rights, from you under
 179  this License will not have their licenses terminated so long as such
 180  parties remain in full compliance.
 181  
 182    5. You are not required to accept this License, since you have not
 183  signed it.  However, nothing else grants you permission to modify or
 184  distribute the Program or its derivative works.  These actions are
 185  prohibited by law if you do not accept this License.  Therefore, by
 186  modifying or distributing the Program (or any work based on the
 187  Program), you indicate your acceptance of this License to do so, and
 188  all its terms and conditions for copying, distributing or modifying
 189  the Program or works based on it.
 190  
 191    6. Each time you redistribute the Program (or any work based on the
 192  Program), the recipient automatically receives a license from the
 193  original licensor to copy, distribute or modify the Program subject to
 194  these terms and conditions.  You may not impose any further
 195  restrictions on the recipients' exercise of the rights granted herein.
 196  You are not responsible for enforcing compliance by third parties to
 197  this License.
 198  
 199    7. If, as a consequence of a court judgment or allegation of patent
 200  infringement or for any other reason (not limited to patent issues),
 201  conditions are imposed on you (whether by court order, agreement or
 202  otherwise) that contradict the conditions of this License, they do not
 203  excuse you from the conditions of this License.  If you cannot
 204  distribute so as to satisfy simultaneously your obligations under this
 205  License and any other pertinent obligations, then as a consequence you
 206  may not distribute the Program at all.  For example, if a patent
 207  license would not permit royalty-free redistribution of the Program by
 208  all those who receive copies directly or indirectly through you, then
 209  the only way you could satisfy both it and this License would be to
 210  refrain entirely from distribution of the Program.
 211  
 212  If any portion of this section is held invalid or unenforceable under
 213  any particular circumstance, the balance of the section is intended to
 214  apply and the section as a whole is intended to apply in other
 215  circumstances.
 216  
 217  It is not the purpose of this section to induce you to infringe any
 218  patents or other property right claims or to contest validity of any
 219  such claims; this section has the sole purpose of protecting the
 220  integrity of the free software distribution system, which is
 221  implemented by public license practices.  Many people have made
 222  generous contributions to the wide range of software distributed
 223  through that system in reliance on consistent application of that
 224  system; it is up to the author/donor to decide if he or she is willing
 225  to distribute software through any other system and a licensee cannot
 226  impose that choice.
 227  
 228  This section is intended to make thoroughly clear what is believed to
 229  be a consequence of the rest of this License.
 230  
 231    8. If the distribution and/or use of the Program is restricted in
 232  certain countries either by patents or by copyrighted interfaces, the
 233  original copyright holder who places the Program under this License
 234  may add an explicit geographical distribution limitation excluding
 235  those countries, so that distribution is permitted only in or among
 236  countries not thus excluded.  In such case, this License incorporates
 237  the limitation as if written in the body of this License.
 238  
 239    9. The Free Software Foundation may publish revised and/or new versions
 240  of the General Public License from time to time.  Such new versions will
 241  be similar in spirit to the present version, but may differ in detail to
 242  address new problems or concerns.
 243  
 244  Each version is given a distinguishing version number.  If the Program
 245  specifies a version number of this License which applies to it and "any
 246  later version", you have the option of following the terms and conditions
 247  either of that version or of any later version published by the Free
 248  Software Foundation.  If the Program does not specify a version number of
 249  this License, you may choose any version ever published by the Free Software
 250  Foundation.
 251  
 252    10. If you wish to incorporate parts of the Program into other free
 253  programs whose distribution conditions are different, write to the author
 254  to ask for permission.  For software which is copyrighted by the Free
 255  Software Foundation, write to the Free Software Foundation; we sometimes
 256  make exceptions for this.  Our decision will be guided by the two goals
 257  of preserving the free status of all derivatives of our free software and
 258  of promoting the sharing and reuse of software generally.
 259  
 260                  NO WARRANTY
 261  
 262    11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
 263  FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
 264  OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
 265  PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
 266  OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 267  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
 268  TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
 269  PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
 270  REPAIR OR CORRECTION.
 271  
 272    12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
 273  WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
 274  REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
 275  INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
 276  OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
 277  TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
 278  YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
 279  PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
 280  POSSIBILITY OF SUCH DAMAGES.


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