User's Manual

78
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.