User's Manual

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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.