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prorad:license [2012-03-05 10:58:37]
mortens created
prorad:license [2022-05-31 09:29:32]
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-====== License ====== 
  
-[[http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html|LGPL 2.1 or higher]] 
- 
-This software comes bundled with libkdtree++-0.7.0, which has the 
-'Artistic License', see include/kdtree++/COPYING. 
- 
-<code> 
-GNU LESSER GENERAL PUBLIC LICENSE 
- 
-Version 2.1, February 1999 
- 
-Copyright (C) 1991, 1999 Free Software Foundation, Inc. 
-51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
-Everyone is permitted to copy and distribute verbatim copies 
-of this license document, but changing it is not allowed. 
- 
-[This is the first released version of the Lesser GPL.  It also counts 
- as the successor of the GNU Library Public License, version 2, hence 
- the version number 2.1.] 
- 
-Preamble 
- 
-The licenses for most software are designed to take away your freedom to share and change it. By 
-contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and  
-change free software--to make sure the software is free for all its users. 
- 
-This license, the Lesser General Public License, applies to some specially designated software  
-packages--typically libraries--of the Free Software Foundation and other authors who decide to use  
-it. You can use it too, but we suggest you first think carefully about whether this license or the  
-ordinary General Public License is the better strategy to use in any particular case, based on the  
-explanations below. 
- 
-When we speak of free software, we are referring to freedom of use, 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 service if you wish); that you receive source code or can get it if you want  
-it; that you can change the software and use pieces of it in new free programs; and that you are  
-informed that you can do these things. 
- 
-To protect your rights, we need to make restrictions that forbid distributors to deny you these  
-rights or to ask you to surrender these rights. These restrictions translate to certain  
-responsibilities for you if you distribute copies of the library or if you modify it. 
- 
-For example, if you distribute copies of the library, whether gratis or for a fee, you must give  
-the recipients all the rights that we gave you. You must make sure that they, too, receive or can  
-get the source code. If you link other code with the library, you must provide complete object  
-files to the recipients, so that they can relink them with the library after making changes to the  
-library and recompiling it. And you must show them these terms so they know their rights. 
- 
-We protect your rights with a two-step method: (1) we copyright the library, and (2) we offer you  
-this license, which gives you legal permission to copy, distribute and/or modify the library. 
- 
-To protect each distributor, we want to make it very clear that there is no warranty for the free  
-library. Also, if the library is modified by someone else and passed on, the recipients should know  
-that what they have is not the original version, so that the original author's reputation will not  
-be affected by problems that might be introduced by others. 
- 
-Finally, software patents pose a constant threat to the existence of any free program. We wish to  
-make sure that a company cannot effectively restrict the users of a free program by obtaining a  
-restrictive license from a patent holder. Therefore, we insist that any patent license obtained for  
-a version of the library must be consistent with the full freedom of use specified in this license. 
- 
-Most GNU software, including some libraries, is covered by the ordinary GNU General Public License.  
-This license, the GNU Lesser General Public License, applies to certain designated libraries, and  
-is quite different from the ordinary General Public License. We use this license for certain  
-libraries in order to permit linking those libraries into non-free programs. 
- 
-When a program is linked with a library, whether statically or using a shared library, the  
-combination of the two is legally speaking a combined work, a derivative of the original library.  
-The ordinary General Public License therefore permits such linking only if the entire combination  
-fits its criteria of freedom. The Lesser General Public License permits more lax criteria for  
-linking other code with the library. 
- 
-We call this license the "Lesser" General Public License because it does Less to protect the user' 
-freedom than the ordinary General Public License. It also provides other free software developers  
-Less of an advantage over competing non-free programs. These disadvantages are the reason we use  
-the ordinary General Public License for many libraries. However, the Lesser license provides  
-advantages in certain special circumstances. 
- 
-For example, on rare occasions, there may be a special need to encourage the widest possible use of  
-a certain library, so that it becomes a de-facto standard. To achieve this, non-free programs must  
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-widely used non-free libraries. In this case, there is little to gain by limiting the free library  
-to free software only, so we use the Lesser General Public License. 
- 
-In other cases, permission to use a particular library in non-free programs enables a greater  
-number of people to use a large body of free software. For example, permission to use the GNU C  
-Library in non-free programs enables many more people to use the whole GNU operating system, as  
-well as its variant, the GNU/Linux operating system. 
- 
-Although the Lesser General Public License is Less protective of the users' freedom, it does ensure  
-that the user of a program that is linked with the Library has the freedom and the wherewithal to  
-run that program using a modified version of the Library. 
- 
-The precise terms and conditions for copying, distribution and modification follow. Pay close  
-attention to the difference between a "work based on the library" and a "work that uses the  
-library". The former contains code derived from the library, whereas the latter must be combined  
-with the library in order to run. 
- 
-TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 
- 
-0. This License Agreement applies to any software library or other program which contains a notice  
-placed by the copyright holder or other authorized party saying it may be distributed under the  
-terms of this Lesser General Public License (also called "this License"). Each licensee is  
-addressed as "you". 
- 
-A "library" means a collection of software functions and/or data prepared so as to be conveniently  
-linked with application programs (which use some of those functions and data) to form executables. 
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-installation of the library. 
- 
-Activities other than copying, distribution and modification are not covered by this License; they  
-are outside its scope. The act of running a program using the Library is not restricted, and output  
-from such a program is covered only if its contents constitute a work based on the Library  
-(independent of the use of the Library in a tool for writing it). Whether that is true depends on  
-what the Library does and what the program that uses the Library does. 
- 
-1. You may copy and distribute verbatim copies of the Library's complete source code as you receive  
-it, in any medium, provided that you conspicuously and appropriately publish on each copy an  
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-files and the date of any change. 
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- 
-These requirements apply to the modified work as a whole. If identifiable sections of that work are  
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- 
-3. You may opt to apply the terms of the ordinary GNU General Public License instead of this  
-License to a given copy of the Library. To do this, you must alter all the notices that refer to  
-this License, so that they refer to the ordinary GNU General Public License, version 2, instead of  
-to this License. (If a newer version than version 2 of the ordinary GNU General Public License has  
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-General Public License applies to all subsequent copies and derivative works made from that copy. 
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-4. You may copy and distribute the Library (or a portion or derivative of it, under Section 2) in  
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-offering equivalent access to copy the source code from the same place satisfies the requirement to  
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-5. A program that contains no derivative of any portion of the Library, but is designed to work  
-with the Library by being compiled or linked with it, is called a "work that uses the Library" 
-Such a work, in isolation, is not a derivative work of the Library, and therefore falls outside the  
-scope of this License. 
- 
-However, linking a "work that uses the Library" with the Library creates an executable that is a  
-derivative of the Library (because it contains portions of the Library), rather than a "work that  
-uses the library". The executable is therefore covered by this License. Section 6 states terms for  
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-When a "work that uses the Library" uses material from a header file that is part of the Library,  
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- 
-END OF TERMS AND CONDITIONS 
-</code> 
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