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Member "xemacs-21.4.22/etc/COPYING" (18 Dec 1996, 18063 Bytes) of archive /linux/misc/xemacs-21.4.22.tar.gz:


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    1 		    GNU GENERAL PUBLIC LICENSE
    2 		       Version 2, June 1991
    3 
    4  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
    5                           59 Temple Place - Suite 330
    6                           Boston, MA 02111-1307, USA.
    7  Everyone is permitted to copy and distribute verbatim copies
    8  of this license document, but changing it is not allowed.
    9 
   10 			    Preamble
   11 
   12   The licenses for most software are designed to take away your
   13 freedom to share and change it.  By contrast, the GNU General Public
   14 License is intended to guarantee your freedom to share and change free
   15 software--to make sure the software is free for all its users.  This
   16 General Public License applies to most of the Free Software
   17 Foundation's software and to any other program whose authors commit to
   18 using it.  (Some other Free Software Foundation software is covered by
   19 the GNU Library General Public License instead.)  You can apply it to
   20 your programs, too.
   21 
   22   When we speak of free software, we are referring to freedom, not
   23 price.  Our General Public Licenses are designed to make sure that you
   24 have the freedom to distribute copies of free software (and charge for
   25 this service if you wish), that you receive source code or can get it
   26 if you want it, that you can change the software or use pieces of it
   27 in new free programs; and that you know you can do these things.
   28 
   29   To protect your rights, we need to make restrictions that forbid
   30 anyone to deny you these rights or to ask you to surrender the rights.
   31 These restrictions translate to certain responsibilities for you if you
   32 distribute copies of the software, or if you modify it.
   33 
   34   For example, if you distribute copies of such a program, whether
   35 gratis or for a fee, you must give the recipients all the rights that
   36 you have.  You must make sure that they, too, receive or can get the
   37 source code.  And you must show them these terms so they know their
   38 rights.
   39 
   40   We protect your rights with two steps: (1) copyright the software, and
   41 (2) offer you this license which gives you legal permission to copy,
   42 distribute and/or modify the software.
   43 
   44   Also, for each author's protection and ours, we want to make certain
   45 that everyone understands that there is no warranty for this free
   46 software.  If the software is modified by someone else and passed on, we
   47 want its recipients to know that what they have is not the original, so
   48 that any problems introduced by others will not reflect on the original
   49 authors' reputations.
   50 
   51   Finally, any free program is threatened constantly by software
   52 patents.  We wish to avoid the danger that redistributors of a free
   53 program will individually obtain patent licenses, in effect making the
   54 program proprietary.  To prevent this, we have made it clear that any
   55 patent must be licensed for everyone's free use or not licensed at all.
   56 
   57   The precise terms and conditions for copying, distribution and
   58 modification follow.
   59 
   60 		    GNU GENERAL PUBLIC LICENSE
   61    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
   62 
   63   0. This License applies to any program or other work which contains
   64 a notice placed by the copyright holder saying it may be distributed
   65 under the terms of this General Public License.  The "Program", below,
   66 refers to any such program or work, and a "work based on the Program"
   67 means either the Program or any derivative work under copyright law:
   68 that is to say, a work containing the Program or a portion of it,
   69 either verbatim or with modifications and/or translated into another
   70 language.  (Hereinafter, translation is included without limitation in
   71 the term "modification".)  Each licensee is addressed as "you".
   72 
   73 Activities other than copying, distribution and modification are not
   74 covered by this License; they are outside its scope.  The act of
   75 running the Program is not restricted, and the output from the Program
   76 is covered only if its contents constitute a work based on the
   77 Program (independent of having been made by running the Program).
   78 Whether that is true depends on what the Program does.
   79 
   80   1. You may copy and distribute verbatim copies of the Program's
   81 source code as you receive it, in any medium, provided that you
   82 conspicuously and appropriately publish on each copy an appropriate
   83 copyright notice and disclaimer of warranty; keep intact all the
   84 notices that refer to this License and to the absence of any warranty;
   85 and give any other recipients of the Program a copy of this License
   86 along with the Program.
   87 
   88 You may charge a fee for the physical act of transferring a copy, and
   89 you may at your option offer warranty protection in exchange for a fee.
   90 
   91   2. You may modify your copy or copies of the Program or any portion
   92 of it, thus forming a work based on the Program, and copy and
   93 distribute such modifications or work under the terms of Section 1
   94 above, provided that you also meet all of these conditions:
   95 
   96     a) You must cause the modified files to carry prominent notices
   97     stating that you changed the files and the date of any change.
   98 
   99     b) You must cause any work that you distribute or publish, that in
  100     whole or in part contains or is derived from the Program or any
  101     part thereof, to be licensed as a whole at no charge to all third
  102     parties under the terms of this License.
  103 
  104     c) If the modified program normally reads commands interactively
  105     when run, you must cause it, when started running for such
  106     interactive use in the most ordinary way, to print or display an
  107     announcement including an appropriate copyright notice and a
  108     notice that there is no warranty (or else, saying that you provide
  109     a warranty) and that users may redistribute the program under
  110     these conditions, and telling the user how to view a copy of this
  111     License.  (Exception: if the Program itself is interactive but
  112     does not normally print such an announcement, your work based on
  113     the Program is not required to print an announcement.)
  114 
  115 These requirements apply to the modified work as a whole.  If
  116 identifiable sections of that work are not derived from the Program,
  117 and can be reasonably considered independent and separate works in
  118 themselves, then this License, and its terms, do not apply to those
  119 sections when you distribute them as separate works.  But when you
  120 distribute the same sections as part of a whole which is a work based
  121 on the Program, the distribution of the whole must be on the terms of
  122 this License, whose permissions for other licensees extend to the
  123 entire whole, and thus to each and every part regardless of who wrote it.
  124 
  125 Thus, it is not the intent of this section to claim rights or contest
  126 your rights to work written entirely by you; rather, the intent is to
  127 exercise the right to control the distribution of derivative or
  128 collective works based on the Program.
  129 
  130 In addition, mere aggregation of another work not based on the Program
  131 with the Program (or with a work based on the Program) on a volume of
  132 a storage or distribution medium does not bring the other work under
  133 the scope of this License.
  134 
  135   3. You may copy and distribute the Program (or a work based on it,
  136 under Section 2) in object code or executable form under the terms of
  137 Sections 1 and 2 above provided that you also do one of the following:
  138 
  139     a) Accompany it with the complete corresponding machine-readable
  140     source code, which must be distributed under the terms of Sections
  141     1 and 2 above on a medium customarily used for software interchange; or,
  142 
  143     b) Accompany it with a written offer, valid for at least three
  144     years, to give any third party, for a charge no more than your
  145     cost of physically performing source distribution, a complete
  146     machine-readable copy of the corresponding source code, to be
  147     distributed under the terms of Sections 1 and 2 above on a medium
  148     customarily used for software interchange; or,
  149 
  150     c) Accompany it with the information you received as to the offer
  151     to distribute corresponding source code.  (This alternative is
  152     allowed only for noncommercial distribution and only if you
  153     received the program in object code or executable form with such
  154     an offer, in accord with Subsection b above.)
  155 
  156 The source code for a work means the preferred form of the work for
  157 making modifications to it.  For an executable work, complete source
  158 code means all the source code for all modules it contains, plus any
  159 associated interface definition files, plus the scripts used to
  160 control compilation and installation of the executable.  However, as a
  161 special exception, the source code distributed need not include
  162 anything that is normally distributed (in either source or binary
  163 form) with the major components (compiler, kernel, and so on) of the
  164 operating system on which the executable runs, unless that component
  165 itself accompanies the executable.
  166 
  167 If distribution of executable or object code is made by offering
  168 access to copy from a designated place, then offering equivalent
  169 access to copy the source code from the same place counts as
  170 distribution of the source code, even though third parties are not
  171 compelled to copy the source along with the object code.
  172 
  173   4. You may not copy, modify, sublicense, or distribute the Program
  174 except as expressly provided under this License.  Any attempt
  175 otherwise to copy, modify, sublicense or distribute the Program is
  176 void, and will automatically terminate your rights under this License.
  177 However, parties who have received copies, or rights, from you under
  178 this License will not have their licenses terminated so long as such
  179 parties remain in full compliance.
  180 
  181   5. You are not required to accept this License, since you have not
  182 signed it.  However, nothing else grants you permission to modify or
  183 distribute the Program or its derivative works.  These actions are
  184 prohibited by law if you do not accept this License.  Therefore, by
  185 modifying or distributing the Program (or any work based on the
  186 Program), you indicate your acceptance of this License to do so, and
  187 all its terms and conditions for copying, distributing or modifying
  188 the Program or works based on it.
  189 
  190   6. Each time you redistribute the Program (or any work based on the
  191 Program), the recipient automatically receives a license from the
  192 original licensor to copy, distribute or modify the Program subject to
  193 these terms and conditions.  You may not impose any further
  194 restrictions on the recipients' exercise of the rights granted herein.
  195 You are not responsible for enforcing compliance by third parties to
  196 this License.
  197 
  198   7. If, as a consequence of a court judgment or allegation of patent
  199 infringement or for any other reason (not limited to patent issues),
  200 conditions are imposed on you (whether by court order, agreement or
  201 otherwise) that contradict the conditions of this License, they do not
  202 excuse you from the conditions of this License.  If you cannot
  203 distribute so as to satisfy simultaneously your obligations under this
  204 License and any other pertinent obligations, then as a consequence you
  205 may not distribute the Program at all.  For example, if a patent
  206 license would not permit royalty-free redistribution of the Program by
  207 all those who receive copies directly or indirectly through you, then
  208 the only way you could satisfy both it and this License would be to
  209 refrain entirely from distribution of the Program.
  210 
  211 If any portion of this section is held invalid or unenforceable under
  212 any particular circumstance, the balance of the section is intended to
  213 apply and the section as a whole is intended to apply in other
  214 circumstances.
  215 
  216 It is not the purpose of this section to induce you to infringe any
  217 patents or other property right claims or to contest validity of any
  218 such claims; this section has the sole purpose of protecting the
  219 integrity of the free software distribution system, which is
  220 implemented by public license practices.  Many people have made
  221 generous contributions to the wide range of software distributed
  222 through that system in reliance on consistent application of that
  223 system; it is up to the author/donor to decide if he or she is willing
  224 to distribute software through any other system and a licensee cannot
  225 impose that choice.
  226 
  227 This section is intended to make thoroughly clear what is believed to
  228 be a consequence of the rest of this License.
  229 
  230   8. If the distribution and/or use of the Program is restricted in
  231 certain countries either by patents or by copyrighted interfaces, the
  232 original copyright holder who places the Program under this License
  233 may add an explicit geographical distribution limitation excluding
  234 those countries, so that distribution is permitted only in or among
  235 countries not thus excluded.  In such case, this License incorporates
  236 the limitation as if written in the body of this License.
  237 
  238   9. The Free Software Foundation may publish revised and/or new versions
  239 of the General Public License from time to time.  Such new versions will
  240 be similar in spirit to the present version, but may differ in detail to
  241 address new problems or concerns.
  242 
  243 Each version is given a distinguishing version number.  If the Program
  244 specifies a version number of this License which applies to it and "any
  245 later version", you have the option of following the terms and conditions
  246 either of that version or of any later version published by the Free
  247 Software Foundation.  If the Program does not specify a version number of
  248 this License, you may choose any version ever published by the Free Software
  249 Foundation.
  250 
  251   10. If you wish to incorporate parts of the Program into other free
  252 programs whose distribution conditions are different, write to the author
  253 to ask for permission.  For software which is copyrighted by the Free
  254 Software Foundation, write to the Free Software Foundation; we sometimes
  255 make exceptions for this.  Our decision will be guided by the two goals
  256 of preserving the free status of all derivatives of our free software and
  257 of promoting the sharing and reuse of software generally.
  258 
  259 			    NO WARRANTY
  260 
  261   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
  262 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
  263 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
  264 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
  265 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  266 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
  267 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
  268 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
  269 REPAIR OR CORRECTION.
  270 
  271   12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
  272 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
  273 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
  274 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
  275 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
  276 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
  277 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
  278 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
  279 POSSIBILITY OF SUCH DAMAGES.
  280 
  281 		     END OF TERMS AND CONDITIONS
  282 
  283 	    How to Apply These Terms to Your New Programs
  284 
  285   If you develop a new program, and you want it to be of the greatest
  286 possible use to the public, the best way to achieve this is to make it
  287 free software which everyone can redistribute and change under these terms.
  288 
  289   To do so, attach the following notices to the program.  It is safest
  290 to attach them to the start of each source file to most effectively
  291 convey the exclusion of warranty; and each file should have at least
  292 the "copyright" line and a pointer to where the full notice is found.
  293 
  294     <one line to give the program's name and a brief idea of what it does.>
  295     Copyright (C) 19yy  <name of author>
  296 
  297     This program is free software; you can redistribute it and/or modify
  298     it under the terms of the GNU General Public License as published by
  299     the Free Software Foundation; either version 2 of the License, or
  300     (at your option) any later version.
  301 
  302     This program is distributed in the hope that it will be useful,
  303     but WITHOUT ANY WARRANTY; without even the implied warranty of
  304     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  305     GNU General Public License for more details.
  306 
  307     You should have received a copy of the GNU General Public License
  308     along with this program; see the file COPYING.  If not, write to
  309     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  310     Boston, MA 02111-1307, USA.
  311 
  312 Also add information on how to contact you by electronic and paper mail.
  313 
  314 If the program is interactive, make it output a short notice like this
  315 when it starts in an interactive mode:
  316 
  317     Gnomovision version 69, Copyright (C) 19yy name of author
  318     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
  319     This is free software, and you are welcome to redistribute it
  320     under certain conditions; type `show c' for details.
  321 
  322 The hypothetical commands `show w' and `show c' should show the appropriate
  323 parts of the General Public License.  Of course, the commands you use may
  324 be called something other than `show w' and `show c'; they could even be
  325 mouse-clicks or menu items--whatever suits your program.
  326 
  327 You should also get your employer (if you work as a programmer) or your
  328 school, if any, to sign a "copyright disclaimer" for the program, if
  329 necessary.  Here is a sample; alter the names:
  330 
  331   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
  332   `Gnomovision' (which makes passes at compilers) written by James Hacker.
  333 
  334   <signature of Ty Coon>, 1 April 1989
  335   Ty Coon, President of Vice
  336 
  337 This General Public License does not permit incorporating your program into
  338 proprietary programs.  If your program is a subroutine library, you may
  339 consider it more useful to permit linking proprietary applications with the
  340 library.  If this is what you want to do, use the GNU Library General
  341 Public License instead of this License.