User's Manual

132
on consistent application of that system; it is up to the author/
donortodecideifheorsheiswillingtodistributesoftware
through any other system and a licensee cannot impose that
choice.
This section is intended to make thoroughly clear what is
believedtobeaconsequenceoftherestofthisLicense.
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.