User manual

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NoticeAccordingtoGNUGeneralPublicLicenseVersion2
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ThisproductincludessoftwarethatissubjecttotheGNUGeneralPublicLicenseversion2.Theprogramisfreesoftwareand
distributedwithoutanywarrantyoftheauthor.Weoffer,validforatleastthreeyears,togiveyou,for
achargenomorethan
thecostsofphysicallyperformingsourcedistribution,acompletemachine‐readablecopyofthecorrespondingsourcecode.
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DasProduktbeinhaltetSoftware,diedenBedingungenderGNU/GPL‐Version2unterliegt.DasProgrammisteinesog.„Free
Software“,derAutorstelltdasProgrammohneirgendeineGewährleistungenzur
Verfügung.WirbietenIhnenfüreinen
ZeitraumvondreiJahrenan,einevollständigemaschinenlesbareKopiedesQuelltextesderProgrammezurVerfügungzu
stellen–zunichthöherenKostenalsdenen,diedurchdenphysikalischenKopiervorganganfallen.
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GNUGENERALPUBLICLICENSE
Version2,June1991
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Copyright(C)1989,1991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.
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Preamble
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Thelicensesformostsoftwarearedesignedtotakeawayyourfreedomtoshareandchangeit.
Bycontrast,theGNUGeneral
PublicLicenseisintendedtoguaranteeyourfreedomtoshareandchangefreesoftware‐‐tomakesurethesoftwareisfreefor
allitsusers.ThisGeneralPublicLicenseappliestomostoftheFreeSoftwareFoundation’ssoftwareandtoanyotherprogram
whoseauthorscommit
tousingit.(SomeotherFreeSoftwareFoundationsoftwareiscoveredbytheGNULesserGeneralPublic
Licenseinstead.)Youcanapplyittoyourprograms,too.
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Whenwespeakoffreesoftware,wearereferringtofreedom,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orusepiecesofitinnewfreeprograms;andthatyouknow
you
candothesethings.
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Toprotectyourrights,weneedtomakerestrictionsthatforbidanyonetodenyyoutheserightsortoaskyoutosurrenderthe
rights.Theserestrictionstranslatetocertainresponsibilitiesforyouifyoudistributecopiesofthesoftware,orifyoumodifyit.
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Forexample,ifyoudistributecopiesofsuchaprogram,whethergratisorforafee,youmustgivetherecipientsalltherights
thatyouhave.Youmustmakesurethatthey,too,receiveorcangetthesourcecode.Andyoumustshowthemthesetermsso
theyknow
theirrights.
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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.
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Also,foreachauthor’sprotectionandours,wewanttomakecertainthateveryoneunderstandsthatthereisno
warrantyfor
thisfreesoftware.Ifthesoftwareismodifiedbysomeoneelseandpassedon,wewantitsrecipientstoknowthatwhatthey
haveisnottheoriginal,sothatanyproblemsintroducedbyotherswillnotreflectontheoriginalauthors’reputations.
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Finally,anyfreeprogramis
threatenedconstantlybysoftwarepatents.Wewishtoavoidthedangerthatredistributorsofafree
programwillindividuallyobtainpatentlicenses,ineffectmakingtheprogramproprietary.Topreventthis,wehavemadeitclear
thatanypatentmustbelicensedforeveryone’sfreeuseornotlicensedatall.
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Theprecisetermsandconditionsforcopying,distributionandmodificationfollow.
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TERMSANDCONDITIONSFORCOPYING,DISTRIBUTIONANDMODIFICATION
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0.ThisLicenseappliestoanyprogramorotherworkwhichcontainsanoticeplacedbythecopyrightholdersayingitmaybe
distributedunder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anotherlanguage.
(Hereinafter,translationisincludedwithoutlimitationintheterm‘“modification’“.)Eachlicenseeisaddressedas‘“you’“.
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Activitiesotherthancopying,distributionandmodificationarenotcoveredbythisLicense;theyareoutsideitsscope.Theactof
runningtheProgramisnotrestricted,andtheoutputfrom
theProgramiscoveredonlyifitscontentsconstituteaworkbased
ontheProgram(independentofhavingbeenmadebyrunningtheProgram).Whetherthatistruedependsonwhatthe
Programdoes.
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1.YoumaycopyanddistributeverbatimcopiesoftheProgram’ssourcecodeasyoureceive
it,inanymedium,providedthat
youconspicuouslyandappropriatelypublishoneachcopyanappropriatecopyrightnoticeanddisclaimerofwarranty;keep