User's Manual
12
NoticeAccordingtoGNUGeneralPublicLicenseVersion2
ThisproductincludessoftwarethatissubjecttotheGNUGeneralPublicLicenseversion2.Theprogramisfreesoftwareand
distributedwithoutanywarrantyoftheauthor.Weoffer,validforatleastthreeyears,togiveyou,for
achargenomore
thanthecostsofphysicallyperformingsourcedistribution,acompletemachine‐readablecopyofthecorrespondingsource
code.
DasProduktbeinhaltetSoftware,diedenBedingungenderGNU/GPL‐Version2unterliegt.DasProgrammisteinesog.„Free
Software“,derAutorstelltdasProgrammohneirgendeineGewährleistungenzur
Verfügung.WirbietenIhnenfüreinen
ZeitraumvondreiJahrenan,einevollständigemaschinenlesbareKopiedesQuelltextesderProgrammezurVerfügungzu
stellen–zunichthöherenKostenalsdenen,diedurchdenphysikalischenKopiervorganganfallen.
GNUGENERALPUBLICLICENSE
Version2,June1991
Copyright(C)1989,1991FreeSoftware
Foundation,Inc.51FranklinStreet,FifthFloor,Boston,MA02110‐1301,USA
Everyoneispermittedtocopyanddistributeverbatimcopiesofthislicensedocument,butchangingitisnotallowed.
Preamble
Thelicensesformostsoftwarearedesignedtotakeawayyourfreedomtoshareandchangeit.
Bycontrast,theGNUGeneral
PublicLicenseisintendedtoguaranteeyourfreedomtoshareandchangefreesoftware‐‐tomakesurethesoftwareisfree
forallitsusers.ThisGeneralPublicLicenseappliestomostoftheFreeSoftwareFoundation’ssoftwareandtoanyother
programwhoseauthorscommit
tousingit.(SomeotherFreeSoftwareFoundationsoftwareiscoveredbytheGNULesser
GeneralPublicLicenseinstead.)Youcanapplyittoyourprograms,too.
Whenwespeakoffreesoftware,wearereferringtofreedom,notprice.OurGeneralPublicLicensesaredesignedtomake
surethat
youhavethefreedomtodistributecopiesoffreesoftware(andchargeforthisserviceifyouwish),thatyoureceive
sourcecodeorcangetitifyouwantit,thatyoucanchangethesoftwareorusepiecesofitinnewfreeprograms;andthat
youknow
youcandothesethings.
Toprotectyourrights,weneedtomakerestrictionsthatforbidanyonetodenyyoutheserightsortoaskyoutosurrender
therights.Theserestrictionstranslatetocertainresponsibilitiesforyouifyoudistributecopiesofthesoftware,orifyou
modifyit.
Forexample,ifyoudistributecopiesofsuchaprogram,whethergratisorforafee,youmustgivetherecipientsalltherights
thatyouhave.Youmustmakesurethatthey,too,receiveorcangetthesourcecode.Andyoumustshowthemtheseterms
sotheyknow
theirrights.
Weprotectyourrightswithtwosteps:(1)copyrightthesoftware,and(2)offeryouthislicensewhichgivesyoulegal
permissiontocopy,distributeand/ormodifythesoftware.
Also,foreachauthor’sprotectionandours,wewanttomakecertainthateveryoneunderstandsthatthereis
nowarrantyfor
thisfreesoftware.Ifthesoftwareismodifiedbysomeoneelseandpassedon,wewantitsrecipientstoknowthatwhatthey
haveisnottheoriginal,sothatanyproblemsintroducedbyotherswillnotreflectontheoriginalauthors’reputations.
Finally,anyfreeprogramis
threatenedconstantlybysoftwarepatents.Wewishtoavoidthedangerthatredistributorsofa
freeprogramwillindividuallyobtainpatentlicenses,ineffectmakingtheprogramproprietary.Topreventthis,wehave
madeitclearthatanypatentmustbelicensedforeveryone’sfreeuseornotlicensedat
all.
Theprecisetermsandconditionsforcopying,distributionandmodificationfollow.
TERMSANDCONDITIONSFORCOPYING,DISTRIBUTIONANDMODIFICATION
0.ThisLicenseappliestoanyprogramorotherworkwhichcontainsanoticeplacedbythecopyrightholdersayingitmaybe
distributedunderthetermsofthis
GeneralPublicLicense.The‘“Program’“,below,referstoanysuchprogramorwork,anda
‘“workbasedontheProgram’“meanseithertheProgramoranyderivativeworkundercopyrightlaw:thatistosay,awork
containingtheProgramoraportionofit,eitherverbatimorwithmodificationsand/or
translatedintoanotherlanguage.
(Hereinafter,translationisincludedwithoutlimitationintheterm‘“modification’“.)Eachlicenseeisaddressedas‘“you’“.
Activitiesotherthancopying,distributionandmodificationarenotcoveredbythisLicense;theyareoutsideitsscope.The
actofrunningtheProgramisnotrestricted,andtheoutput
fromtheProgramiscoveredonlyifitscontentsconstitutea
workbasedontheProgram(independentofhavingbeenmadebyrunningtheProgram).Whetherthatistruedependson
whattheProgramdoes.
1.YoumaycopyanddistributeverbatimcopiesoftheProgram’ssourcecodeasyou
receiveit,inanymedium,providedthat
youconspicuouslyandappropriatelypublishoneachcopyanappropriatecopyrightnoticeanddisclaimerofwarranty;keep