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GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 51 Franklin St, 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. Preamble The licenses for most software are designed to take away yourfreedom to share and change it. By contrast, the GNU General PublicLicense is intended to guarantee your freedom to share and change freesoftware--to make sure the software is free for all its users. ThisGeneral Public License applies to most of the Free SoftwareFoundation's software and to any other program whose authors commit tousing it. (Some other Free Software Foundation software is covered bythe GNU Library General Public License instead.) You can apply it toyour programs, too. When we speak of free software, we are referring to freedom, notprice. Our General Public Licenses are designed to make sure that youhave the freedom to distribute copies of free software (and charge forthis service if you wish), that you receive source code or can get itif you want it, that you can change the software or use pieces of itin new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbidanyone to deny you these rights or to ask you to surrender the rights.These restrictions translate to certain responsibilities for you if youdistribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whethergratis or for a fee, you must give the recipients all the rights thatyou have. You must make sure that they, too, receive or can get thesource code. And you must show them these terms so they know theirrights. We protect your rights with two steps: (1) copyright the software, and(2) offer you this license which gives you legal permission to copy,distribute and/or modify the software. Also, for each author's protection and ours, we want to make certainthat everyone understands that there is no warranty for this freesoftware. If the software is modified by someone else and passed on, wewant its recipients to know that what they have is not the original, sothat any problems introduced by others will not reflect on the originalauthors' reputations. Finally, any free program is threatened constantly by softwarepatents. We wish to avoid the danger that redistributors of a freeprogram will individually obtain patent licenses, in effect making theprogram proprietary. To prevent this, we have made it clear that anypatent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution andmodification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which containsa notice placed by the copyright holder saying it may be distributedunder the terms of this General Public License. The "Program", below,refers to any such program or work, and a "work based on the Program"means either the Program or any derivative work under copyright law:that is to say, a work containing the Program or a portion of it,either verbatim or with modifications and/or translated into anotherlanguage. (Hereinafter, translation is included without limitation inthe term "modification".) Each licensee is addressed as "you".Activities other than copying, distribution and modification are notcovered by this License; they are outside its scope. The act ofrunning the Program is not restricted, and the output from the Programis covered only if its contents constitute a work based on theProgram (independent of having been made by running the Program).Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program'ssource code as you receive it, in any medium, provided that youconspicuously and appropriately publish on each copy an appropriatecopyright notice and disclaimer of warranty; keep intact all thenotices that refer to this License and to the absence of any warranty;and give any other recipients of the Program a copy of this Licensealong with the Program.You may charge a fee for the physical act of transferring a copy, andyou may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portionof it, thus forming a work based on the Program, and copy anddistribute such modifications or work under the terms of Section 1above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.)These requirements apply to the modified work as a whole. Ifidentifiable sections of that work are not derived from the Program,and can be reasonably considered independent and separate works inthemselves, then this License, and its terms, do not apply to thosesections when you distribute them as separate works. But when youdistribute the same sections as part of a whole which is a work basedon the Program, the distribution of the whole must be on the terms ofthis License, whose permissions for other licensees extend to theentire whole, and thus to each and every part regardless of who wrote it.Thus, it is not the intent of this section to claim rights or contestyour rights to work written entirely by you; rather, the intent is toexercise the right to control the distribution of derivative orcollective works based on the Program.In addition, mere aggregation of another work not based on the Programwith the Program (or with a work based on the Program) on a volume ofa storage or distribution medium does not bring the other work underthe scope of this License. 3. You may copy and distribute the Program (or a work based on it,under Section 2) in object code or executable form under the terms ofSections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.)The source code for a work means the preferred form of the work formaking modifications to it. For an executable work, complete sourcecode means all the source code for all modules it contains, plus anyassociated interface definition files, plus the scripts used tocontrol compilation and installation of the executable. However, as aspecial exception, the source code distributed need not includeanything that is normally distributed (in either source or binaryform) with the major components (compiler, kernel, and so on) of theoperating system on which the executable runs, unless that componentitself accompanies the executable.If distribution of executable or object code is made by offeringaccess to copy from a designated place, then offering equivalentaccess to copy the source code from the same place counts asdistribution of the source code, even though third parties are notcompelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Programexcept as expressly provided under this License. Any attemptotherwise to copy, modify, sublicense or distribute the Program isvoid, and will automatically terminate your rights under this License.However, parties who have received copies, or rights, from you underthis License will not have their licenses terminated so long as suchparties remain in full compliance. 5. You are not required to accept this License, since you have notsigned it. However, nothing else grants you permission to modify ordistribute the Program or its derivative works. These actions areprohibited by law if you do not accept this License. Therefore, bymodifying or distributing the Program (or any work based on theProgram), you indicate your acceptance of this License to do so, andall its terms and conditions for copying, distributing or modifyingthe Program or works based on it. 6. Each time you redistribute the Program (or any work based on theProgram), the recipient automatically receives a license from theoriginal licensor to copy, distribute or modify the Program subject tothese terms and conditions. You may not impose any furtherrestrictions on the recipients' exercise of the rights granted herein.You are not responsible for enforcing compliance by third parties tothis License. 7. If, as a consequence of a court judgment or allegation of patentinfringement or for any other reason (not limited to patent issues),conditions are imposed on you (whether by court order, agreement orotherwise) that contradict the conditions of this License, they do notexcuse you from the conditions of this License. If you cannotdistribute so as to satisfy simultaneously your obligations under thisLicense and any other pertinent obligations, then as a consequence youmay not distribute the Program at all. For example, if a patentlicense would not permit royalty-free redistribution of the Program byall those who receive copies directly or indirectly through you, thenthe only way you could satisfy both it and this License would be torefrain entirely from distribution of the Program.If any portion of this section is held invalid or unenforceable underany particular circumstance, the balance of the section is intended toapply and the section as a whole is intended to apply in othercircumstances.It is not the purpose of this section to induce you to infringe anypatents or other property right claims or to contest validity of anysuch claims; this section has the sole purpose of protecting theintegrity of the free software distribution system, which isimplemented by public license practices. Many people have madegenerous contributions to the wide range of software distributedthrough that system in reliance on consistent application of thatsystem; it is up to the author/donor to decide if he or she is willingto distribute software through any other system and a licensee cannotimpose that choice.This section is intended to make thoroughly clear what is believed tobe a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted incertain countries either by patents or by copyrighted interfaces, theoriginal copyright holder who places the Program under this Licensemay add an explicit geographical distribution limitation excludingthose countries, so that distribution is permitted only in or amongcountries not thus excluded. In such case, this License incorporatesthe limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versionsof the General Public License from time to time. Such new versions willbe similar in spirit to the present version, but may differ in detail toaddress new problems or concerns.Each version is given a distinguishing version number. If the Programspecifies a version number of this License which applies to it and "anylater version", you have the option of following the terms and conditionseither of that version or of any later version published by the FreeSoftware Foundation. If the Program does not specify a version number ofthis License, you may choose any version ever published by the Free SoftwareFoundation. 10. If you wish to incorporate parts of the Program into other freeprograms whose distribution conditions are different, write to the authorto ask for permission. For software which is copyrighted by the FreeSoftware Foundation, write to the Free Software Foundation; we sometimesmake exceptions for this. Our decision will be guided by the two goalsof preserving the free status of all derivatives of our free software andof promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTYFOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHENOTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIESPROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSEDOR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OFMERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK ASTO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THEPROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITINGWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/ORREDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISINGOUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITEDTO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BYYOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHERPROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THEPOSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatestpossible use to the public, the best way to achieve this is to make itfree software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safestto attach them to the start of each source file to most effectivelyconvey the exclusion of warranty; and each file should have at leastthe "copyright" line and a pointer to where the full notice is found. <one line to give the program's name and a brief idea of what it does.> Copyright (C) <year> <name of author> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USAAlso add information on how to contact you by electronic and paper mail.If the program is interactive, make it output a short notice like thiswhen it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details.The hypothetical commands `show w' and `show c' should show the appropriateparts of the General Public License. Of course, the commands you use maybe called something other than `show w' and `show c'; they could even bemouse-clicks or menu items--whatever suits your program.You should also get your employer (if you work as a programmer) or yourschool, if any, to sign a "copyright disclaimer" for the program, ifnecessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. <signature of Ty Coon>, 1 April 1989 Ty Coon, President of ViceThis General Public License does not permit incorporating your program intoproprietary programs. If your program is a subroutine library, you mayconsider it more useful to permit linking proprietary applications with thelibrary. If this is what you want to do, use the GNU Library GeneralPublic License instead of this License. GNU Free Documentation License Version 1.2, November 2002 Copyright (C) 2000,2001,2002 Free Software Foundation, Inc. 51 Franklin St, 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.0. PREAMBLEThe purpose of this License is to make a manual, textbook, or other functionaland useful document "free" in the sense of freedom: to assure everyone theeffective freedom to copy and redistribute it, with or without modifying it,either commercially or noncommercially. Secondarily, this License preserves forthe author and publisher a way to get credit for their work, while not beingconsidered responsible for modifications made by others.This License is a kind of "copyleft", which means that derivative works of thedocument must themselves be free in the same sense. It complements the GNUGeneral Public License, which is a copyleft license designed for free software.We have designed this License in order to use it for manuals for free software,because free software needs free documentation: a free program should come withmanuals providing the same freedoms that the software does. But this License isnot limited to software manuals; it can be used for any textual work,regardless of subject matter or whether it is published as a printed book. Werecommend this License principally for works whose purpose is instruction orreference.1. APPLICABILITY AND DEFINITIONSThis License applies to any manual or other work, in any medium, that containsa notice placed by the copyright holder saying it can be distributed under theterms of this License. Such a notice grants a world-wide, royalty-free license,unlimited in duration, to use that work under the conditions stated herein. The"Document", below, refers to any such manual or work. Any member of the publicis a licensee, and is addressed as "you". You accept the license if you copy,modify or distribute the work in a way requiring permission under copyrightlaw.A "Modified Version" of the Document means any work containing the Document ora portion of it, either copied verbatim, or with modifications and/ortranslated into another language.A "Secondary Section" is a named appendix or a front-matter section of theDocument that deals exclusively with the relationship of the publishers orauthors of the Document to the Document's overall subject (or to relatedmatters) and contains nothing that could fall directly within that overallsubject. (Thus, if the Document is in part a textbook of mathematics, aSecondary Section may not explain any mathematics.) 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A Front-Cover Text may be at most 5words, and a Back-Cover Text may be at most 25 words.A "Transparent" copy of the Document means a machine-readable copy, representedin a format whose specification is available to the general public, that issuitable for revising the document straightforwardly with generic text editorsor (for images composed of pixels) generic paint programs or (for drawings)some widely available drawing editor, and that is suitable for input to textformatters or for automatic translation to a variety of formats suitable forinput to text formatters. A copy made in an otherwise Transparent file formatwhose markup, or absence of markup, has been arranged to thwart or discouragesubsequent modification by readers is not Transparent. An image format is notTransparent if used for any substantial amount of text. A copy that is not"Transparent" is called "Opaque".Examples of suitable formats for Transparent copies include plain ASCII withoutmarkup, Texinfo input format, LaTeX input format, SGML or XML using a publiclyavailable DTD, and standard-conforming simple HTML, PostScript or PDF designedfor human modification. Examples of transparent image formats include PNG, XCFand JPG. Opaque formats include proprietary formats that can be read and editedonly by proprietary word processors, SGML or XML for which the DTD and/orprocessing tools are not generally available, and the machine-generated HTML,PostScript or PDF produced by some word processors for output purposes only.The "Title Page" means, for a printed book, the title page itself, plus suchfollowing pages as are needed to hold, legibly, the material this Licenserequires to appear in the title page. For works in formats which do not haveany title page as such, "Title Page" means the text near the most prominentappearance of the work's title, preceding the beginning of the body of the text.A section "Entitled XYZ" means a named subunit of the Document whose titleeither is precisely XYZ or contains XYZ in parentheses following text thattranslates XYZ in another language. (Here XYZ stands for a specific sectionname mentioned below, such as "Acknowledgements", "Dedications","Endorsements", or "History".) To "Preserve the Title" of such a section whenyou modify the Document means that it remains a section "Entitled XYZ"according to this definition.The Document may include Warranty Disclaimers next to the notice which statesthat this License applies to the Document. These Warranty Disclaimers areconsidered to be included by reference in this License, but only as regardsdisclaiming warranties: any other implication that these Warranty Disclaimersmay have is void and has no effect on the meaning of this License.2. VERBATIM COPYINGYou may copy and distribute the Document in any medium, either commercially ornoncommercially, provided that this License, the copyright notices, and thelicense notice saying this License applies to the Document are reproduced inall copies, and that you add no other conditions whatsoever to those of thisLicense. You may not use technical measures to obstruct or control the readingor further copying of the copies you make or distribute. However, you mayaccept compensation in exchange for copies. If you distribute a large enoughnumber of copies you must also follow the conditions in section 3.You may also lend copies, under the same conditions stated above, and you maypublicly display copies.3. COPYING IN QUANTITYIf you publish printed copies (or copies in media that commonly have printedcovers) of the Document, numbering more than 100, and the Document's licensenotice requires Cover Texts, you must enclose the copies in covers that carry,clearly and legibly, all these Cover Texts: Front-Cover Texts on the frontcover, and Back-Cover Texts on the back cover. Both covers must also clearlyand legibly identify you as the publisher of these copies. The front cover mustpresent the full title with all words of the title equally prominent andvisible. You may add other material on the covers in addition. Copying withchanges limited to the covers, as long as they preserve the title of theDocument and satisfy these conditions, can be treated as verbatim copying inother respects.If the required texts for either cover are too voluminous to fit legibly, youshould put the first ones listed (as many as fit reasonably) on the actualcover, and continue the rest onto adjacent pages.If you publish or distribute Opaque copies of the Document numbering more than100, you must either include a machine-readable Transparent copy along with eachOpaque copy, or state in or with each Opaque copy a computer-network locationfrom which the general network-using public has access to download usingpublic-standard network protocols a complete Transparent copy of the Document,free of added material. If you use the latter option, you must take reasonablyprudent steps, when you begin distribution of Opaque copies in quantity, toensure that this Transparent copy will remain thus accessible at the statedlocation until at least one year after the last time you distribute an Opaquecopy (directly or through your agents or retailers) of that edition to thepublic.It is requested, but not required, that you contact the authors of the Documentwell before redistributing any large number of copies, to give them a chance toprovide you with an updated version of the Document.4. MODIFICATIONSYou may copy and distribute a Modified Version of the Document under theconditions of sections 2 and 3 above, provided that you release the ModifiedVersion under precisely this License, with the Modified Version filling the roleof the Document, thus licensing distribution and modification of the ModifiedVersion to whoever possesses a copy of it. In addition, you must do these thingsin the Modified Version: A. Use in the Title Page (and on the covers, if any) a title distinct from that of the Document, and from those of previous versions (which should, if there were any, be listed in the History section of the Document). You may use the same title as a previous version if the original publisher of that version gives permission. B. List on the Title Page, as authors, one or more persons or entities responsible for authorship of the modifications in the Modified Version, together with at least five of the principal authors of the Document (all of its principal authors, if it has fewer than five), unless they release you from this requirement. C. State on the Title page the name of the publisher of the Modified Version, as the publisher. D. Preserve all the copyright notices of the Document. E. Add an appropriate copyright notice for your modifications adjacent to the other copyright notices. F. Include, immediately after the copyright notices, a license notice giving the public permission to use the Modified Version under the terms of this License, in the form shown in the Addendum below. G. Preserve in that license notice the full lists of Invariant Sections and required Cover Texts given in the Document's license notice. H. Include an unaltered copy of this License. I. Preserve the section Entitled "History", Preserve its Title, and add to it an item stating at least the title, year, new authors, and publisher of the Modified Version as given on the Title Page. If there is no section Entitled "History" in the Document, create one stating the title, year, authors, and publisher of the Document as given on its Title Page, then add an item describing the Modified Version as stated in the previous sentence. J. Preserve the network location, if any, given in the Document for public access to a Transparent copy of the Document, and likewise the network locations given in the Document for previous versions it was based on. These may be placed in the "History" section. You may omit a network location for a work that was published at least four years before the Document itself, or if the original publisher of the version it refers to gives permission. K. For any section Entitled "Acknowledgements" or "Dedications", Preserve the Title of the section, and preserve in the section all the substance and tone of each of the contributor acknowledgements and/or dedications given therein. L. Preserve all the Invariant Sections of the Document, unaltered in their text and in their titles. Section numbers or the equivalent are not considered part of the section titles. M. Delete any section Entitled "Endorsements". Such a section may not be included in the Modified Version. N. Do not retitle any existing section to be Entitled "Endorsements" or to conflict in title with any Invariant Section. O. Preserve any Warranty Disclaimers.If the Modified Version includes new front-matter sections or appendices thatqualify as Secondary Sections and contain no material copied from the Document,you may at your option designate some or all of these sections as invariant. Todo this, add their titles to the list of Invariant Sections in the ModifiedVersion's license notice. These titles must be distinct from any other sectiontitles.You may add a section Entitled "Endorsements", provided it contains nothing butendorsements of your Modified Version by various parties--for example,statements of peer review or that the text has been approved by an organizationas the authoritative definition of a standard.You may add a passage of up to five words as a Front-Cover Text, and a passageof up to 25 words as a Back-Cover Text, to the end of the list of Cover Texts inthe Modified Version. Only one passage of Front-Cover Text and one of Back-CoverText may be added by (or through arrangements made by) any one entity. If theDocument already includes a cover text for the same cover, previously added byyou or by arrangement made by the same entity you are acting on behalf of, youmay not add another; but you may replace the old one, on explicit permissionfrom the previous publisher that added the old one.The author(s) and publisher(s) of the Document do not by this License givepermission to use their names for publicity for or to assert or implyendorsement of any Modified Version.5. COMBINING DOCUMENTSYou may combine the Document with other documents released under this License,under the terms defined in section 4 above for modified versions, provided thatyou include in the combination all of the Invariant Sections of all of theoriginal documents, unmodified, and list them all as Invariant Sections of yourcombined work in its license notice, and that you preserve all their WarrantyDisclaimers.The combined work need only contain one copy of this License, and multipleidentical Invariant Sections may be replaced with a single copy. If there aremultiple Invariant Sections with the same name but different contents, make thetitle of each such section unique by adding at the end of it, in parentheses,the name of the original author or publisher of that section if known, or elsea unique number. Make the same adjustment to the section titles in the list ofInvariant Sections in the license notice of the combined work.In the combination, you must combine any sections Entitled "History" in thevarious original documents, forming one section Entitled "History"; likewisecombine any sections Entitled "Acknowledgements", and any sections Entitled"Dedications". You must delete all sections Entitled "Endorsements."6. COLLECTIONS OF DOCUMENTSYou may make a collection consisting of the Document and other documentsreleased under this License, and replace the individual copies of this Licensein the various documents with a single copy that is included in the collection,provided that you follow the rules of this License for verbatim copying of eachof the documents in all other respects.You may extract a single document from such a collection, and distribute itindividually under this License, provided you insert a copy of this License intothe extracted document, and follow this License in all other respects regardingverbatim copying of that document.7. AGGREGATION WITH INDEPENDENT WORKSA compilation of the Document or its derivatives with other separate andindependent documents or works, in or on a volume of a storage or distributionmedium, is called an "aggregate" if the copyright resulting from the compilationis not used to limit the legal rights of the compilation's users beyond what theindividual works permit. When the Document is included in an aggregate, thisLicense does not apply to the other works in the aggregate which are notthemselves derivative works of the Document.If the Cover Text requirement of section 3 is applicable to these copies of theDocument, then if the Document is less than one half of the entire aggregate,the Document's Cover Texts may be placed on covers that bracket the Documentwithin the aggregate, or the electronic equivalent of covers if the Document isin electronic form. Otherwise they must appear on printed covers that bracketthe whole aggregate.8. TRANSLATIONTranslation is considered a kind of modification, so you may distributetranslations of the Document under the terms of section 4. Replacing InvariantSections with translations requires special permission from their copyrightholders, but you may include translations of some or all Invariant Sections inaddition to the original versions of these Invariant Sections. You may include atranslation of this License, and all the license notices in the Document, andany Warranty Disclaimers, provided that you also include the original Englishversion of this License and the original versions of those notices anddisclaimers. In case of a disagreement between the translation and the originalversion of this License or a notice or disclaimer, the original version willprevail.If a section in the Document is Entitled "Acknowledgements", "Dedications", or"History", the requirement (section 4) to Preserve its Title (section 1) willtypically require changing the actual title.9. TERMINATIONYou may not copy, modify, sublicense, or distribute the Document except asexpressly provided for under this License. Any other attempt to copy, modify,sublicense or distribute the Document is void, and will automatically terminateyour rights under this License. However, parties who have received copies, orrights, from you under this License will not have their licenses terminated solong as such parties remain in full compliance.10. FUTURE REVISIONS OF THIS LICENSEThe Free Software Foundation may publish new, revised versions of the GNU FreeDocumentation License from time to time. Such new versions will be similar inspirit to the present version, but may differ in detail to address new problemsor concerns. See http://www.gnu.org/copyleft/.Each version of the License is given a distinguishing version number. If theDocument specifies that a particular numbered version of this License "or anylater version" applies to it, you have the option of following the terms andconditions either of that specified version or of any later version that hasbeen published (not as a draft) by the Free Software Foundation. If the Documentdoes not specify a version number of this License, you may choose any versionever published (not as a draft) by the Free Software Foundation. How to usethis License for your documentsTo use this License in a document you have written, include a copy of theLicense in the document and put the following copyright and license notices justafter the title page: Copyright (c) YEAR YOUR NAME. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replacethe "with...Texts." line with this: with the Invariant Sections being LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.If you have Invariant Sections without Cover Texts, or some other combination ofthe three, merge those two alternatives to suit the situation.If your document contains nontrivial examples of program code, we recommendreleasing these examples in parallel under your choice of free software license,such as the GNU General Public License, to permit their use in free software.