User's Manual

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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.