User's Manual

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8. Ifthedistributionand/oruseoftheProgramisrestrictedincertain
countrieseitherbypatentsorbycopyrightedinterfaces,theoriginal
copyright holder who places the Program under this License may
addanexplicitgeographicaldistributionlimitationexcluding
thosecountries,sothatdistributionispermittedonlyinoramong
countriesnotthusexcluded.Insuchcase,thisLicenseincorporates
thelimitationasifwritteninthebodyofthisLicense.
9. TheFree SoftwareFoundationmay publishrevisedand/ornew
versionsoftheGeneralPublicLicensefromtimetotime.Suchnew
versionswillbesimilarinspirittothepresentversion,butmaydier
indetailtoaddressnewproblemsorconcerns.
 Eachversionis givenadistinguishingversionnumber.Ifthe
ProgramspeciesaversionnumberofthisLicensewhichapplies
toitand“anylaterversion”,youhavetheoptionoffollowingthe
termsandconditionseitherofthatversionorofanylaterversion
publishedbytheFreeSoftwareFoundation.IftheProgramdoes
notspecifyaversionnumberofthisLicense,youmaychooseany
versioneverpublishedbytheFreeSoftwareFoundation.
10.Ifyouwishtoincorporateparts ofthe Programintootherfree
programswhosedistributionconditionsaredierent,writetothe
authortoaskforpermission.
 ForsoftwarewhichiscopyrightedbytheFreeSoftwareFoundation,
writeto theFreeSoftwareFoundation;wesometimesmake
exceptionsforthis.Ourdecisionwillbeguidedbythetwogoals
ofpreservingthefreestatusofallderivativesofourfreesoftware
andofpromotingthesharingandreuseofsoftwaregenerally.