User's Manual

141
know their rights.
We protect your rights with two steps: (1) copyright the software,
and (2) offer you this license which gives you legal permission to
copy,distributeand/ormodifythesoftware.
Also,foreachauthor’sprotectionandours,wewanttomake
certain that everyone understands that there is no warranty for
thisfreesoftware.Ifthesoftwareismodiedbysomeoneelseand
passed on, we want its recipients to know that what they have is
nottheoriginal,sothatanyproblemsintroducedbyotherswill
notreectontheoriginalauthors’reputations.
Finally,anyfreeprogramisthreatenedconstantlybysoftware
patents.Wewishtoavoidthedangerthatredistributorsofafree
programwillindividuallyobtainpatentlicenses,ineectmaking
the program proprietary. To prevent this, we have made it clear
thatanypatentmustbelicensedforeveryone’sfreeuseornot
licensed at all.
Theprecisetermsandconditionsforcopying,distributionand
modification follow.
Terms & conditions for copying, distribution, & modification
0. This License applies to any program or other work which
containsanoticeplacedbythecopyrightholdersayingitmay
bedistributedunderthetermsofthisGeneralPublicLicense.
The“Program”,below,referstoanysuchprogramorwork,and
a“workbasedontheProgram”meanseithertheProgramor
any derivative work under copyright law: that is to say, a work
containingtheProgramoraportionofit,eitherverbatimor
with modifications and/or translated into another language.
(Hereinafter, translation is included without limitation in the
term “modification”.) Each licensee is addressed as “you”.
 Activitiesotherthancopying,distributionandmodicationare
notcoveredbythisLicense;theyareoutsideitsscope.Theact
of running the Program is not restricted, and the output from
the Program is covered only if its contents constitute a work
basedontheProgram(independentofhavingbeenmadeby