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36 Trademark and License information
10. Ifyou wishtoincorporatepartsoftheProgramintootherfree programs whose distribution conditions aredifferent, write to theauthor to ask for permission. For software which iscopyrighted bythe
FreeSoftware Foundation write to the FreeSoftware Foundation;we sometimes makeexceptions for this. Our decision will be guided bythe two goals of preserving thefree status of all derivativesof our
freesoftware and of promot ng theshar ng and reuse of software genera y.
NOWARRANTY
11. BECAUSETHEPROGRAMIS LICENSEDFREEOF CHARGETHERE ISNO WARRANTYFORTHEPROGRAM TO THE EXTENTPERMITTEDBY APPLICABLELAW. EXCEPTWHEN OTHERWISE
STATEDIN WRITINGTHE COPYRIGHTHOLDERSAND/OROTHI:RPARTIESPROVIDETHE PROGRAM"AS IS" WITHOUTWARRANTYOF ANY KIND, EITHEREXPRESSEDOR IMPLIED,INCLUDING,BUT
NOTLIMITEDTO THE IMPLIEDWARRANTIESOF MERCHANTABILITYANDFITNESSFORA PARTICULARPURPOSE.THE ENTIRERISK ASTO THEQUALITYANDPERFORMANCEOF THEPROGRAMIS
WTH YOU. SHOULDTHE PROGRAMPROVEDEFECTVE,YOUASSUMETHE COSTOFALL NECESSARYSERVC NG, REPAR OR CORRECTON.
12. IN NO EVENTUNLESSREQUIREDBYAPPLICABLELAW ORAGREEDTO IN WRITINGWILL ANYCOPYRIGHTHOLDER,OR ANYOTHERPARTYWHO MAYMODIFYAND/ORREDISTRIBUTETHE
PROGRAMAS PERMITTEDABOVE, BE LIABLETOYOU FORDAMAGES,INCLUDINGANY GENERAL,SPECIAL INCIDENTALOR CONSEQUENTIALDAMAGESARISINGOUTOF THE USEOR INABILITY
TOUSETHE PROGRAM(INCLUDINGBUT NOTLIMITEDTO LOSS OF DATAOR DATABEINGRENDEREDINACCURATEOR LOSSESSUSTAINEDBY YOUOR THIRDPARTIESOR A FAILUREOFTHE
PROGRAMTOOPERATEWITH ANYOTHERPROGRAMS),EVEN IFSUCHHOLDEROR OTHERPARTYHAS BEEN ADVISEDOF THE POSSIBILITYOF SUCH DAMAGES.
GNU GENERAL PUBLIC LICENSE
Version3, 29June2007
Copyright© 2907FreeSoftwareFoundationInc.<http://fsf.org/>
Everyonespermtted to copyand d strbuteverbatm copes of th s censedocument,but changng t s nota owed.
Preamble
TheGNUGeneralPublicLicenseis afree,copyleftlicenseforsoftwareandotherkindsof works.
Thelicensesfor mostsoftwareandotherpracticalworksaredesignedto takeawayyourfreedomto shareandchangetheworks.By contrast,theGNUGeneralPublicLicenseis intendedto guaranteeyourfreedomto share
andchangeallversionsof a program4o makesureit remainsfreesoftwareforall _tsusers.We theFreeSoftwareFoundationusethe GNUGeneralPublicLicensefor mostof oursoftware if appliesalsoto anyotherwork
releasedfniswayby its authors.Youcanapplyit to yourprograms,too.
Whenwespeakoffreesoftware,wearereferringtofreedom,notprice.OurGeneralPublicLicensesaredesignedto makesurethatyouhavethe freedomto distributecopiesof free software(andchargefor them ifyouwish),
thatyoureceivesourcecodeorcanget it ifyou wantit,that youcanchangethe softwareorusepiecesof it in newfreeprograms,and thatyouknowyoucan dothesethngs.
Toprotectyourrights weneedto preventofhersfrom denyingyouthesenghtsor askingyouto surrendertherights.Thereforeyou havecertainresponsibilitiesif youdistributecopiesofthe softwareor if youmodifyit:
responsibihtiesto respectthe freedomof others.
Forexample,if youdistributecopiesof sucha program,whethergratisor for afee,you mustpasson to therecipientsthe samefreedomsthat youreceived.Youmustmakesurethatthey,too, receiveorcanget thesource
code.Andyou mustshowthem thesetermssothey knowtheir rights.
Developersthat usethe GNUGPLprotectyourrightswithtwo steps:(1)assertcopyrightonthe software,and(2)offeryouthis Licensegivingyoulegalpermissionto copy,distributeand/ormodifyit.
Forthedevelopers'andauthors'protection,the GPLclearlyexplainsthat thereis nowarrantyfor this freesoftware.For bothusers'andauthors'sake,theGPLrequiresthat modifiedversionsbemarkedas changed,so that
theirproblemswill not beattributederroneouslyto authorsof previousversions.
Somedevicesaredesignedto denyusersaccessto installor runmodifiedversionsof thesoftwareinsidethem,althoughthe manufacturercando so. Thisis fundamentallyincompatiblewiththeaimof protectingusers'free-
domto changethe soft-ware.The systematicpatternof suchabuseoccursintheareaof productsfor individualsto use,whichispreciselywhereit is mostunacceptable.Therefore,we havedesignedth_sversionof the GPLto
prohibitthepracticefor thoseproducts.Ifsuchproblemsarisesubstantiallyin otherdomains,we standreadyto extendthis prowsionto thosedomainsin futureversionsof theGPL,as neededto protectthefreedomof users.
Finally,everyprogramisthreatenedconstantlyby softwarepatents.Statesshouldnotallowpatentsto restrictdevelopmentand useof softwareon general-purposecomputers,but inthosethat do,we wishto avoidthespecial
dangerthatpatentsappliedto a freeprogramcould makeit effectivelyproprietary.Topreventthis the GPLassuresthat patentscannotbeusedto renderthe programnon-free.
Theprecsetermsand condtons for copyng, dstrbuton androodf cat onfo ow.
TERMSAND CONDITIONS
9. Definitions.
"ThisLicense"refersto version3 of the GNUGeneralPublicLicense.
"Copyright"alsomeanscopyright-likelawsthat applyto otherkindsof works,suchas semiconductormasks.
"TheProgram"refersto anycopyrightableworklicensedunderthisLicense.Eachlicenseeis addressedas"you"."Licensees"and "recipients"maybeindividualsor organizations,
To'modify" a workmeansto copy:fromoradaptall or part of theworkina fashionrequiringcopyrightpermission,otherthanthe makingof anexactcopy, Theresultingworkiscalleda"modifiedversion"of theearlierworkor
awork"basedon" the earlierwork.
A "coveredwork"meanseitherthe unmodifiedProgramora workbasedonthe Program.
To"propagate"a workmeansto do anythingwithit that withoutpermissionwouldmakeyoudirectlyor secondarilyliablefor infringementunderapplicablecopyrightlaw exceptexecutingit ona computeror modifyinga
privatecope!,Propagationincludescopying,distribution(withor withoutmodification),makingavailableto the public,andin somecountriesotheractivitiesas well.
To"convey a workmeansanykindof propagationthat enablesotherpartiesto makeor receivecopies,Mereinteractionwitha userthrougha computernetwork,with notransferof a copy,isnotconveying,
Aninteractiveuserinterfacedisplays"AppropriateLegalNotices"to theextentthat it includesa convenientand prominentlyvisiblefeaturethat (1)d_splaysanappropriatecopyrightnotice,and(2)tellsthe userthat thereis
nowarrantyforthe work (exceptto theextentthat warrantiesareprovided)that licenseesmayconveythework underthis Licenseand howto viewacopyof th_sbcense.If theinterfacepresentsa list of usercommandsor
optons,suchas amenu,a promnenttern n the st meetsth s cr teron.
1. SourceCode.
The'source code"for a workmeansthepreferredformof theworkfor makingmodificationsto it. "Objectcode" meansanynon-sourceformof a work,
A "StandardInterface"meansaninterfacethat eitheris an officialstandarddfined bya recognizedstandardsbody,or, inthecaseof interfacesspecifiedfor a particularprogramminglanguage,onethat is widelyusedamong
developersworkinginthat language.
The"SystemLibraries"of anexecutableworkincludeanythingotherthanthe workas awhole that(a)is includedin the normalformof packaginga MajorComponentbut whichis notpartof that MaiorComponentand (b)
servesonlyto enableuseoftheworkwith thatMajorComponent,or to implementa StandardInterfacefor whichan implementationis availableto the publicin sourcecodeform,A 'Major Component'. inthiscontext meansa
majoressentialcomponent(kernel,windowsystem,andsoon)of thespecificoperatingsystem(if any)onwhichthe executablework runs,or acompilerusedto producethework,oran objectcodeinterpreterusedto runit,
The"CorrespondingSource'for aworkinobjectcodeform meansallthe sourcecodeneededto generateinstall and (foranexecutablework)runthe objectcodeand to modifythework _ncludingscriptsto controlthose
activities.Howeverit doesnot includethe work'sSystemLibrariesor general-purposetoolsor generallyavailablefreeprogramswhichareusedunmodifiedinperformingthoseactivitiesbutwhicharenot partof thework,For
exampleCorrespondingSourceincludesinterfacedefinitionfilesassociatedwith sourcefilesforthe work andthe sourcecodefor sharedlibrariesanddynamicallylinkedsubprogramsthatthe workis specificallydesignedto
require,suchasby intimatedatacommunicationor controlflowbetweenthosesubprogramsandotherpartsof the work,
TheCorrespondingSourceneednotincludeanythingthat userscanregenerateautomaticallyfrom otherpartsof theCorrespondingSource,
TheCorrespondingSourcefor a work insourcecodeform is thatsamework.
2. BasicPerrnissions.
AllrightsgrantedunderthisLicensearegrantedfortheterm of copyrightontheProgram,and areirrevocableprovidedthestatedconditionsaremet,ThisLicenseexplicitlyaffirmsyourunlimitedpermissionto runtheunmodi-
fiedProqram,Theoutputfromrunninga coveredwork is coveredbythisLicenseonryif theoutput givenits content constitutesa coveredwork,ThisLicenseacknowledgesyournghtsof fair useor otherequivalentas
pnrovidedbycopyrightlaw,
Youmaymake,runand propagatecoveredworksthatyoudo notconvey,withoutconditionsso longasyourlicenseotherwiseremainsin force.Youmayconveycoveredworksto othersforthe solepurposeof havingthem
makemodificationsexclusivel#for you,or provideyouwithfacilitiesfor runningthoseworks,providedthat youcomplywith the termsof this Licenseinconveyingallmaterialfor whichyoudo not contro/copyright.Tliosethus
makingor runningthe coveredworksfor youmustdo soexclusivelyonyourbehalf,underyourdirectionandcontrol,ontermsthat prohibitthemfrom makinganycopiesof yourcopyrightedmaterialoutsidetheirrelationship
withyou,
Conveyingunderanyothercircumstancesis permittedsolelyundertheconditionsstatedbelow,Sublicensingis not allowed;section19makesit unnecessary,
3, ProtectingUsers'LegalRights FromAnti-CircumventionLaw.
Nocoveredworkshall bedeemedpartof aneffectivetechnologicalmeasureunderanyapplicablelawfulfillingobligationsunderarticle11of theWIPOcopyrighttreatyadoptedon 29December1996,or similarlawsprohibiting
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Whenyouconveya coveredwork youwaiveanylegalpowerto forbid circumventionof technologicalmeasuresto the extentsuchcircumventionis effectedby exercisingrightsunderthisLicensewith respectto thecovered
work,andyou d scam any ntenton to m t operaton or modf cat onof the workas ameansof enforcng,aganst theworks users,youror th rd partes ega r ghtsto forb8 c rcumventonof technoogca measures.
4. ConveyingVerbatimCopies.
Youmayconveyverbatimcopiesof the Program'ssourcecodeas youreceiveit in anymedium providedthat youconspicuouslyandappropriatelypublishon eachcopyan appropriatecopyrightnotice keepintactall notices
statingthatthisLicenseandanynon-permissivetermsaddedinaccordwithsection7 applyto the code;keep_ntactallnoticesoftheabsenceof anywarranty;andgiveall recipientsa copyoflhis Licensealongwiththe
Program.
Youmaychargeanypriceor nopricefor eachcopythatyou convey,andyoumay offersupportor warrantyprotectionfor a fee.
5. ConveyingModifiedSourceVersions.
Youmayconveyaworkbasedonthe Program,orthe modificationsto produceit fromtheProgram,inthe formof sourcecode underthetermsof section4, providedthatyoualsomeet allof theseconditions:
a)Thework mustcarryprominentnoticesstatingthat youmodifiedit, andgivinga relevantdate.
b/Thework mustcarryprominentnoticesstatingthat Jtisreleasedunderthisbcenseand anyconditionsaddedundersection7. Thisrequirementmodifiesthe requirementin section4 to "keepintactallnotices".
c)Youmustlicensetheentirework,asa whole,underthis Licenseto anyonewho comesintopossessionof a copy.ThisLicensewillthereforeapply,alongwithanyapplicablesection7additionalterms,to thewholeofthe
work,andall itsparts,regardlessof howthey arepackaged.ThisLicensegivesnopermissionto licensethework inanyotherway,but it doesnotinvalidatesuchpermissionif youhaveseparatelyreceivedit.
d)lftheworkhasinteractiveuserinterfaces,eachmustdisplayAppropriateEegalNobces;however,if theProgramhasinteractiveinterfacesthat do notdisplayAppropriateLegalNotices,yourworkneednot makethem do so.
A compilationof a coveredworkwithotherseparateandindependentworks,whicharenot bytheirnatureextensionsof the coveredwork,andwhicharenot combinedwithit suchas to forma largerprogram,inor ona vol-
umeota storageor distributionmedium iscalledan "aggregate"if the compilationandits resultingcopyrightarenot usedto limittheaccessor legalrightsof the compilation'susersbeyondwhafiheindividualworkspermit.
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Youmayconveyacoveredworkin objectcodeformunderthe termsof sections4 and5 providedthat youalsoconveythemachine-readableCorrespondingSourceunderthetermsof thisLicense.inone oftheseways:
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change.
b)Conveytheobjectcode in,or embodiedin,a physicalproduct(includinga physicaldistributionmedium),accompaniedby a writtenoffer,validfor at leastthreeyearsandvalidfor aslong asyouoffersparepartsorcustomer
supportforthat productmodel,to give anyonewho possessestheobjectcodeeither(1)acopyof the CorrespondingSourcefor all thesoftwareinthe productthat iscoveredby this License,on adurablephysicalmedium
customarilyusedfor softwareinterchange,for a pricenomorethanyourreasonablecost of physicallyperformingthis conveyingof source or (2)accessto copythe CorrespondingSourcefroma networkserverat nocharge.
c)Conveyindividualcopiesof the objectcodewith a copyof thewrittenofferto providetheCorrespondingSource.Thisalternativeis allowedonlyoccasionallyand noncommerciallyandonly if youreceivedthe objectcode
withsuchanoffer,in accordwithsubsection6b.
d)Conveytheobiectcode byofferingaccessfroma designatedplace(gratisorfor acharge)and offerequivalentaccessto theCorrespondingSourceinthe samewaythroughthesameplaceat nofurthercharge.Youneed
notrequirerec#ents to copythe CorrespondingSourcealongwithtSeobjectcode.Ifthe placeto copythe objectcode is anetworkservertheCorrespondingSourcemay beon a differentserver(operatedb_/youor athird
party)that supportsequivalentcopyingfacilities providedyoumaintaincleardirectionsnextto theobiectcode sayingwhereto findthe CorrespondingSource.Regardlessof whatserverhoststheCorrespondingSource,you
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