User's Manual

99
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.
2. YoumaymodifyyourcopyorcopiesoftheProgramorany
portionofit,thusformingaworkbasedontheProgram,and
copyanddistributesuchmodicationsorworkundertheterms
ofSection1above,providedthatyoualsomeetallofthese
conditions:
 a) Youmustcausethemodiedlestocarryprominentnotices
statingthatyouchangedthelesandthedateofanychange.
 b) Youmustcauseanyworkthatyoudistributeorpublish,that
inwholeorinpartcontainsorisderivedfromtheProgramor
anypartthereof,tobelicensedasawholeatnochargetoall
thirdpartiesunderthetermsofthisLicense.
 c)Ifthemodiedprogramnormallyreadscommands
interactivelywhenrun,youmustcauseit,whenstartedrunning
forsuchinteractiveuseinthemostordinaryway,toprintor
displayanannouncementincludinganappropriatecopyright
noticeandanoticethatthereisnowarranty(orelse,saying
thatyouprovideawarranty)andthatusersmayredistribute
the program under these conditions, and telling the user how
toviewacopyofthisLicense.(Exception:iftheProgramitselfis
interactivebutdoesnotnormallyprintsuchanannouncement,
yourworkbasedontheProgramisnotrequiredtoprintan
announcement.)