PCTV Systems Broadway 2T - Page 90

PCTV Systems – Broadway 2T
84
Libraryisnotrestricted,andoutputfromsuchaprogramiscoveredonlyifits
contentsconstituteaworkbasedontheLibrary(independentoftheuseofthe
Libraryinatoolforwriting it).Whetherthatistruedependsonwhatthe
LibrarydoesandwhattheprogramthatusestheLibrarydoes
.

1.YoumaycopyanddistributeverbatimcopiesoftheLibrary'scomplete
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dist
ributeacopyofthisLicensealongwith
theLibrary.
Youmaychargeafeeforthephysicalactoftransferringacopy,andyoumayat
youroptionofferwarrantyprotectioninexchangeforafee.

2.YoumaymodifyyourcopyorcopiesoftheLibraryoranyportionofit,thus
formingaworkbase
dontheLibrary,andcopyanddistributesuch
modificationsorworkunderthetermsofSection1above,providedthatyou
alsomeetalloftheseconditions:
 a)Themodifiedworkmustitselfbeaso
ftwarelibr
ary.
 b)Youmustcausethefilesmodifiedtocarryprominentnoticesstating
thatyouchangedthefilesandthedateofanychange.
 c)Youmustcausethewholeofthework tobelicensedatnochargeto
allthirdpartiesunderthetermsofthisLicense.
 d)Ifafacilityinthemodifie
dLibraryreferstoafunctionoratableof
datatobesuppliedbyanapplicationprogramthatusesthefacility,
otherthanasanargumentpassedwhenthefacilityisinvoked,thenyou
mustmakeagoodfaithefforttoensurethat,intheevent
anapplication
doesnotsupplysuchfunctionortable,thefacilitystilloperates,and
performswhateverpartofitspurposeremainsmeaningful.(For
example,afunctioninalibrarytocomputesquarerootshasapurpose
thatisentirelywell‐definedindependentoftheapplicatio
n.
Therefore,
Subsection2drequiresthatanyapplication‐suppliedfunctionortable
usedbythisfunctionmustbeoptional:iftheapplicationdoesnotsupply
it,thesquarerootfunctionmuststillcomputesquareroots.)
Theserequirementsapplytothemodifiedworkasawhole.Ifidentifiable
sectionsofthatworkarenotderivedfro
mtheLibrary,andcanbereasonably
consideredindependentandseparateworksin