[{"data":1,"prerenderedAt":297},["ShallowReactive",2],{"license-lgpl-2.1-or-later":3},{"id":4,"title":5,"body":6,"conditions":265,"description":12,"extension":269,"headerStatement":270,"limitations":271,"meta":275,"name":276,"navigation":277,"path":278,"permissions":279,"popularity":283,"seo":284,"spdx":285,"stem":286,"subtitle":287,"traits":288,"url":294,"whyThisLicense":295,"__hash__":296},"licenses\u002Flicenses\u002Flgpl-2.1-or-later.md","Lgpl 21 Or Later",{"type":7,"value":8,"toc":263},"minimark",[9,13,16,19,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76,84,87,90,93,96,101,104,110,113,124,127,130,133,136,142,145,148,154,157,163,166,169,172,175,181,184,190,193,196,221,224,227,230,239,242,248,251,260],[10,11,12],"p",{},"GNU LESSER GENERAL PUBLIC LICENSE\nVersion 2.1, February 1999",[10,14,15],{},"Copyright (C) 1991, 1999 Free Software Foundation, Inc.\n51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA",[10,17,18],{},"Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.",[10,20,21],{},[22,23,24],"span",{},"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.",[10,26,27],{},"Preamble",[10,29,30],{},"The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU\nGeneral Public Licenses are intended to guarantee your freedom to share and change free software--to make sure the\nsoftware is free for all its users.",[10,32,33],{},"This license, the Lesser General Public License, applies to some specially designated software packages--typically\nlibraries--of the Free Software Foundation and other authors who decide to use it. You can use it too, but we suggest\nyou first think carefully about whether this license or the ordinary General Public License is the better strategy to\nuse in any particular case, based on the explanations below.",[10,35,36],{},"When we speak of free software, we are referring to freedom of use, not price. Our General Public Licenses are designed\nto make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish);\nthat 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\nfree programs; and that you are informed that you can do these things.",[10,38,39],{},"To protect your rights, we need to make restrictions that forbid distributors to deny you these rights or to ask you to\nsurrender these rights. These restrictions translate to certain responsibilities for you if you distribute copies of the\nlibrary or if you modify it.",[10,41,42],{},"For example, if you distribute copies of the library, whether gratis or for a fee, you must give the recipients all the\nrights that we gave you. You must make sure that they, too, receive or can get the source code. If you link other code\nwith the library, you must provide complete object files to the recipients, so that they can relink them with the\nlibrary after making changes to the library and recompiling it. And you must show them these terms so they know their\nrights.",[10,44,45],{},"We protect your rights with a two-step method: (1) we copyright the library, and (2) we offer you this license, which\ngives you legal permission to copy, distribute and\u002For modify the library.",[10,47,48],{},"To protect each distributor, we want to make it very clear that there is no warranty for the free library. Also, if the\nlibrary is modified by someone else and passed on, the recipients should know that what they have is not the original\nversion, so that the original author's reputation will not be affected by problems that might be introduced by others.",[10,50,51],{},"Finally, software patents pose a constant threat to the existence of any free program. We wish to make sure that a\ncompany cannot effectively restrict the users of a free program by obtaining a restrictive license from a patent holder.\nTherefore, we insist that any patent license obtained for a version of the library must be consistent with the full\nfreedom of use specified in this license.",[10,53,54],{},"Most GNU software, including some libraries, is covered by the ordinary GNU General Public License. This license, the\nGNU Lesser General Public License, applies to certain designated libraries, and is quite different from the ordinary\nGeneral Public License. We use this license for certain libraries in order to permit linking those libraries into\nnon-free programs.",[10,56,57],{},"When a program is linked with a library, whether statically or using a shared library, the combination of the two is\nlegally speaking a combined work, a derivative of the original library. The ordinary General Public License therefore\npermits such linking only if the entire combination fits its criteria of freedom. The Lesser General Public License\npermits more lax criteria for linking other code with the library.",[10,59,60],{},"We call this license the \"Lesser\" General Public License because it does Less to protect the user's freedom than the\nordinary General Public License. It also provides other free software developers Less of an advantage over competing\nnon-free programs. These disadvantages are the reason we use the ordinary General Public License for many libraries.\nHowever, the Lesser license provides advantages in certain special circumstances.",[10,62,63],{},"For example, on rare occasions, there may be a special need to encourage the widest possible use of a certain library,\nso that it becomes a de-facto standard. To achieve this, non-free programs must be allowed to use the library. A more\nfrequent case is that a free library does the same job as widely used non-free libraries. In this case, there is little\nto gain by limiting the free library to free software only, so we use the Lesser General Public License.",[10,65,66],{},"In other cases, permission to use a particular library in non-free programs enables a greater number of people to use a\nlarge body of free software. For example, permission to use the GNU C Library in non-free programs enables many more\npeople to use the whole GNU operating system, as well as its variant, the GNU\u002FLinux operating system.",[10,68,69],{},"Although the Lesser General Public License is Less protective of the users' freedom, it does ensure that the user of a\nprogram that is linked with the Library has the freedom and the wherewithal to run that program using a modified version\nof the Library.",[10,71,72],{},"The precise terms and conditions for copying, distribution and modification follow. Pay close attention to the\ndifference between a \"work based on the library\" and a \"work that uses the library\". The former contains code derived\nfrom the library, whereas the latter must be combined with the library in order to run.",[10,74,75],{},"GNU LESSER GENERAL PUBLIC LICENSE\nTERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION",[77,78,80],"ol",{"start":79},0,[81,82,83],"li",{},"This License Agreement applies to any software library or other program which contains a notice placed by the\ncopyright holder or other authorized party saying it may be distributed under the terms of this Lesser General Public\nLicense (also called \"this License\"). Each licensee is addressed as \"you\".",[10,85,86],{},"A \"library\" means a collection of software functions and\u002For data prepared so as to be conveniently linked with\napplication programs (which use some of those functions and data) to form executables.",[10,88,89],{},"The \"Library\", below, refers to any such software library or work which has been distributed under these terms. A \"work\nbased on the Library\" means either the Library or any derivative work under copyright law: that is to say, a work\ncontaining the Library or a portion of it, either verbatim or with modifications and\u002For translated straightforwardly\ninto another language. (Hereinafter, translation is included without limitation in the term \"modification\".)",[10,91,92],{},"\"Source code\" for a work means the preferred form of the work for making modifications to it. For a library, complete\nsource code means all the source code for all modules it contains, plus any associated interface definition files, plus\nthe scripts used to control compilation and installation of the library.",[10,94,95],{},"Activities other than copying, distribution and modification are not covered by this License; they are outside its\nscope. The act of running a program using the Library is not restricted, and output from such a program is covered only\nif its contents constitute a work based on the Library (independent of the use of the Library in a tool for writing it).\nWhether that is true depends on what the Library does and what the program that uses the Library does.",[77,97,98],{},[81,99,100],{},"You may copy and distribute verbatim copies of the Library's complete source code as you receive it, in any medium,\nprovided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer\nof warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and\ndistribute a copy of this License along with the Library.",[10,102,103],{},"You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection\nin exchange for a fee.",[77,105,107],{"start":106},2,[81,108,109],{},"You may modify your copy or copies of the Library or any portion of it, thus forming a work based on the Library, and\ncopy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of\nthese conditions:",[10,111,112],{},"a) The modified work must itself be a software library.",[114,115,120],"pre",{"className":116,"code":118,"language":119},[117],"language-text"," b) You must cause the files modified to carry prominent notices stating that you changed the files and the date of any change.\n\n c) You must cause the whole of the work to be licensed at no charge to all third parties under the terms of this License.\n\n d) If a facility in the modified Library refers to a function or a table of data to be supplied by an application program that uses the facility, other than as an argument passed when the facility is invoked, then you must make a good faith effort to ensure that, in the event an application does not supply such function or table, the facility still operates, and performs whatever part of its purpose remains meaningful.\n","text",[121,122,118],"code",{"__ignoreMap":123},"",[10,125,126],{},"(For example, a function in a library to compute square roots has a purpose that is entirely well-defined independent of\nthe application. Therefore, Subsection 2d requires that any application-supplied function or table used by this function\nmust be optional: if the application does not supply it, the square root function must still compute square roots.)",[10,128,129],{},"These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the\nLibrary, and can be reasonably considered independent and separate works in themselves, then this License, and its\nterms, do not apply to those sections when you distribute them as separate works. But when you distribute the same\nsections as part of a whole which is a work based on the Library, the distribution of the whole must be on the terms of\nthis License, whose permissions for other licensees extend to the entire whole, and thus to each and every part\nregardless of who wrote it.",[10,131,132],{},"Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you;\nrather, the intent is to exercise the right to control the distribution of derivative or collective works based on the\nLibrary.",[10,134,135],{},"In addition, mere aggregation of another work not based on the Library with the Library (or with a work based on the\nLibrary) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.",[77,137,139],{"start":138},3,[81,140,141],{},"You may opt to apply the terms of the ordinary GNU General Public License instead of this License to a given copy of\nthe Library. To do this, you must alter all the notices that refer to this License, so that they refer to the\nordinary GNU General Public License, version 2, instead of to this License. (If a newer version than version 2 of the\nordinary GNU General Public License has appeared, then you can specify that version instead if you wish.) Do not make\nany other change in these notices.",[10,143,144],{},"Once this change is made in a given copy, it is irreversible for that copy, so the ordinary GNU General Public License\napplies to all subsequent copies and derivative works made from that copy.",[10,146,147],{},"This option is useful when you wish to copy part of the code of the Library into a program that is not a library.",[77,149,151],{"start":150},4,[81,152,153],{},"You may copy and distribute the Library (or a portion or derivative of it, under Section 2) in object code or\nexecutable form under the terms of Sections 1 and 2 above provided that you accompany it with the complete\ncorresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a\nmedium customarily used for software interchange.",[10,155,156],{},"If distribution of object code is made by offering access to copy from a designated place, then offering equivalent\naccess to copy the source code from the same place satisfies the requirement to distribute the source code, even though\nthird parties are not compelled to copy the source along with the object code.",[77,158,160],{"start":159},5,[81,161,162],{},"A program that contains no derivative of any portion of the Library, but is designed to work with the Library by\nbeing compiled or linked with it, is called a \"work that uses the Library\". Such a work, in isolation, is not a\nderivative work of the Library, and therefore falls outside the scope of this License.",[10,164,165],{},"However, linking a \"work that uses the Library\" with the Library creates an executable that is a derivative of the\nLibrary (because it contains portions of the Library), rather than a \"work that uses the library\". The executable is\ntherefore covered by this License. Section 6 states terms for distribution of such executables.",[10,167,168],{},"When a \"work that uses the Library\" uses material from a header file that is part of the Library, the object code for\nthe work may be a derivative work of the Library even though the source code is not. Whether this is true is especially\nsignificant if the work can be linked without the Library, or if the work is itself a library. The threshold for this to\nbe true is not precisely defined by law.",[10,170,171],{},"If such an object file uses only numerical parameters, data structure layouts and accessors, and small macros and small\ninline functions (ten lines or less in length), then the use of the object file is unrestricted, regardless of whether\nit is legally a derivative work. (Executables containing this object code plus portions of the Library will still fall\nunder Section 6.)",[10,173,174],{},"Otherwise, if the work is a derivative of the Library, you may distribute the object code for the work under the terms\nof Section 6. Any executables containing that work also fall under Section 6, whether or not they are linked directly\nwith the Library itself.",[77,176,178],{"start":177},6,[81,179,180],{},"As an exception to the Sections above, you may also combine or link a \"work that uses the Library\" with the Library\nto produce a work containing portions of the Library, and distribute that work under terms of your choice, provided\nthat the terms permit modification of the work for the customer's own use and reverse engineering for debugging such\nmodifications.",[10,182,183],{},"You must give prominent notice with each copy of the work that the Library is used in it and that the Library and its\nuse are covered by this License. You must supply a copy of this License. If the work during execution displays copyright\nnotices, you must include the copyright notice for the Library among them, as well as a reference directing the user to\nthe copy of this License. Also, you must do one of these things:",[114,185,188],{"className":186,"code":187,"language":119},[117]," a) Accompany the work with the complete corresponding machine-readable source code for the Library including whatever changes were used in the work (which must be distributed under Sections 1 and 2 above); and, if the work is an executable linked with the Library, with the complete machine-readable \"work that uses the Library\", as object code and\u002For source code, so that the user can modify the Library and then relink to produce a modified executable containing the modified Library. (It is understood that the user who changes the contents of definitions files in the Library will not necessarily be able to recompile the application to use the modified definitions.)\n\n b) Use a suitable shared library mechanism for linking with the Library. A suitable mechanism is one that (1) uses at run time a copy of the library already present on the user's computer system, rather than copying library functions into the executable, and (2) will operate properly with a modified version of the library, if the user installs one, as long as the modified version is interface-compatible with the version that the work was made with.\n\n c) Accompany the work with a written offer, valid for at least three years, to give the same user the materials specified in Subsection 6a, above, for a charge no more than the cost of performing this distribution.\n\n d) If distribution of the work is made by offering access to copy from a designated place, offer equivalent access to copy the above specified materials from the same place.\n\n e) Verify that the user has already received a copy of these materials or that you have already sent this user a copy.\n",[121,189,187],{"__ignoreMap":123},[10,191,192],{},"For an executable, the required form of the \"work that uses the Library\" must include any data and utility programs\nneeded for reproducing the executable from it. However, as a special exception, the materials to be distributed need not\ninclude anything that is normally distributed (in either source or binary form) with the major components (compiler,\nkernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the\nexecutable.",[10,194,195],{},"It may happen that this requirement contradicts the license restrictions of other proprietary libraries that do not\nnormally accompany the operating system. Such a contradiction means you cannot use both them and the Library together in\nan executable that you distribute.",[77,197,199,209,212,215,218],{"start":198},7,[81,200,201,202,205,206,208],{},"You may place library facilities that are a work based on the Library side-by-side in a single library together with\nother library facilities not covered by this License, and distribute such a combined library, provided that the\nseparate distribution of the work based on the Library and of the other library facilities is otherwise permitted,\nand provided that you do these two things:",[203,204],"br",{},"a) Accompany the combined library with a copy of the same work based on the Library, uncombined with any other\nlibrary facilities. This must be distributed under the terms of the Sections above.",[203,207],{},"b) Give prominent notice with the combined library of the fact that part of it is a work based on the Library, and\nexplaining where to find the accompanying uncombined form of the same work.",[81,210,211],{},"You may not copy, modify, sublicense, link with, or distribute the Library except as expressly provided under this\nLicense. Any attempt otherwise to copy, modify, sublicense, link with, or distribute the Library is void, and will\nautomatically terminate your rights under this License. However, parties who have received copies, or rights, from\nyou under this License will not have their licenses terminated so long as such parties remain in full compliance.",[81,213,214],{},"You are not required to accept this License, since you have not signed it. However, nothing else grants you\npermission to modify or distribute the Library or its derivative works. These actions are prohibited by law if you do\nnot accept this License. Therefore, by modifying or distributing the Library (or any work based on the Library), you\nindicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or\nmodifying the Library or works based on it.",[81,216,217],{},"Each time you redistribute the Library (or any work based on the Library), the recipient automatically receives a\nlicense from the original licensor to copy, distribute, link with or modify the Library subject to these terms and\nconditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein.\nYou are not responsible for enforcing compliance by third parties with this License.",[81,219,220],{},"If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited\nto patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict\nthe conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute\nso as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a\nconsequence you may not distribute the Library at all. For example, if a patent license would not permit\nroyalty-free redistribution of the Library by all those who receive copies directly or indirectly through you, then\nthe only way you could satisfy both it and this License would be to refrain entirely from distribution of the\nLibrary.",[10,222,223],{},"If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the\nsection is intended to apply, and the section as a whole is intended to apply in other circumstances.",[10,225,226],{},"It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest\nvalidity of any such claims; this section has the sole purpose of protecting the integrity of the free software\ndistribution system which is implemented by public license practices. Many people have made generous contributions to\nthe wide range of software distributed through that system in reliance on consistent application of that system; it is\nup to the author\u002Fdonor to decide if he or she is willing to distribute software through any other system and a licensee\ncannot impose that choice.",[10,228,229],{},"This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.",[77,231,233,236],{"start":232},12,[81,234,235],{},"If the distribution and\u002For use of the Library is restricted in certain countries either by patents or by copyrighted\ninterfaces, the original copyright holder who places the Library under this License may add an explicit geographical\ndistribution limitation excluding those countries, so that distribution is permitted only in or among countries not\nthus excluded. In such case, this License incorporates the limitation as if written in the body of this License.",[81,237,238],{},"The Free Software Foundation may publish revised and\u002For new versions of the Lesser General Public License from time\nto time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new\nproblems or concerns.",[10,240,241],{},"Each version is given a distinguishing version number. If the Library specifies a version number of this License which\napplies to it and \"any later version\", you have the option of following the terms and conditions either of that version\nor of any later version published by the Free Software Foundation. If the Library does not specify a license version\nnumber, you may choose any version ever published by the Free Software Foundation.",[77,243,245],{"start":244},14,[81,246,247],{},"If you wish to incorporate parts of the Library into other free programs whose distribution conditions are\nincompatible with these, write to the author to ask for permission. For software which is copyrighted by the Free\nSoftware Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will\nbe guided by the two goals of preserving the free status of all derivatives of our free software and of promoting\nthe sharing and reuse of software generally.",[10,249,250],{},"NO WARRANTY",[77,252,254,257],{"start":253},15,[81,255,256],{},"BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY\nAPPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND\u002FOR OTHER PARTIES PROVIDE THE\nLIBRARY \"AS IS\" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE\nIMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND\nPERFORMANCE OF THE LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY\nSERVICING, REPAIR OR CORRECTION.",[81,258,259],{},"IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY\nWHO MAY MODIFY AND\u002FOR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY\nGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE LIBRARY (\nINCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD\nPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN\nADVISED OF THE POSSIBILITY OF SUCH DAMAGES.",[10,261,262],{},"END OF TERMS AND CONDITIONS",{"title":123,"searchDepth":106,"depth":106,"links":264},[],[266],{"label":267,"example":268},"Disclose source","Library changes must be shared.","md","This library is free software; you can redistribute it and\u002For\nmodify it under the terms of the GNU Lesser General Public\nLicense as published by the Free Software Foundation; either\nversion 2.1 of the License, or (at your option) any later version.",[272],{"label":273,"example":274},"Liability","No liability.",{},"GNU Lesser General Public License v2.1",true,"\u002Flicenses\u002Flgpl-2.1-or-later",[280],{"label":281,"example":282},"Commercial use","Compatible with many legacy systems.",50,{"description":12},"LGPL-2.1-or-later","licenses\u002Flgpl-2.1-or-later","An older but still widely used version of the LGPL.",[289,290,291,292,293],"weak-copyleft","commercial-ok","no-patent","comprehensive","no-network","https:\u002F\u002Fwww.gnu.org\u002Flicenses\u002Fold-licenses\u002Flgpl-2.1.html","You want to ensure your library stays open but is compatible with projects that require LGPLv2.1 specifically.","DxZSbN9wXRv05CvEzjN8mFPJQSzQVvtxIFtVClr3uqA",1778368847606]