User's Manual

143
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, & modification
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
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
intactallthenoticesthatrefertothisLicenseandtotheabsence
ofanywarranty;andgiveanyotherrecipientsofthePrograma
copyofthisLicensealongwiththeProgram.
 Youmaychargeafeeforthephysicalactoftransferringacopy,and
youmayatyouroptionoerwarrantyprotectioninexchangefor
afee.