User's Manual

120
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
“ y o u ”.
 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.