User's Manual

98
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modied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reect
on the original authors’ reputations.
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eect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.
Theprecisetermsandconditionsforcopying,distributionand
modicationfollow.
Terms & conditions for copying, distribution, & modication
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modicationsand/ortranslatedintoanotherlanguage.
(Hereinafter,translationisincludedwithoutlimitationinthe
term“modication”.)Eachlicenseeisaddressedas“you”.
 Activitiesotherthancopying,distributionandmodication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.
1.YoumaycopyanddistributeverbatimcopiesoftheProgram’s