Users Guide

"copyr i ght " l i ne and a poi nt er t o wher e t he f ul l not i ce i s f ound.
1 Apr i l 1989
Lexmar k I nt er nat i onal , I nc.
Thi s Gener al Publ i c Li cense does not per mi t i ncor por at i ng your pr ogr am i nt o pr opr i et ar y pr ogr ams. I f your
pr ogr am i s a subr out i ne l i br ar y, you may consi der i t mor e usef ul t o per mi t l i nki ng pr opr i et ar y appl i cat i ons
wi t h t he l i br ar y. I f t hi s i s what you want t o do, use t he GNU Li br ar y Gener al Publ i c Li cense i nst ead of t hi s
Li cense.
GNU LESSER GENERAL PUBLI C LI CENSE
Ver si on 2. 1, Febr uar y 1999
Copyr i ght ( C) 1991, 1999 Fr ee Sof t war e Foundat i on, I nc.
59 Templ e Pl ace, Sui t e 330, Bost on, MA 02111- 1307 USA
Ever yone i s per mi t t ed t o copy and di st r i but e ver bat i m copi es of t hi s l i cense document , but changi ng i t i s not
al l owed.
[ Thi s i s t he f i r st r el eased ver si on of t he Lesser GPL. I t al so count s as t he successor of t he GNU Li br ar y
Publ i c Li cense, ver si on 2, hence t he ver si on number 2. 1. ]
Pr eambl e
The l i censes f or most sof t war e ar e desi gned t o t ake away your f reedom t o shar e and change i t . By cont r ast ,
t he GNU Gener al Publ i c Li censes ar e i nt ended t o guar ant ee your f reedom t o shar e and change f r ee sof t war e- - t o
make sur e t he sof t war e i s f r ee f or al l i t s user s.
Thi s l i cense, t he Lesser Gener al Publ i c Li cense, appl i es t o some speci al l y desi gnat ed sof t war e packages- -
t ypi cal l y l i br ar i es- - of t he Fr ee Sof t war e Foundat i on and ot her aut hor s who deci de t o use i t . You can use i t
t oo, but we suggest you f i r st t hi nk car ef ul l y about whet her t hi s l i cense or t he or di nar y Gener al Publ i c
Li cense i s t he bet t er st r at egy t o use i n any par t i cul ar case, based on t he expl anat i ons bel ow.
When we speak of f r ee sof t war e, we ar e r ef er r i ng t o f r eedom of use, not pr i ce. Our Gener al Publ i c Li censes
ar e desi gned t o make sur e t hat you have t he f r eedom t o di st r i but e copi es of f r ee sof t war e ( and char ge f or
t hi s ser vi ce i f you wi sh) ; t hat you r ecei ve sour ce code or can get i t i f you want i t ; t hat you can change t he
sof t war e and use pi eces of i t i n new f r ee pr ogr ams; and t hat you ar e i nf or med t hat you can do t hese t hi ngs.
To pr ot ect your ri ght s, we need t o make r est r i ct i ons t hat f or bi d di st r i but or s t o deny you t hese r i ght s or t o
ask you t o sur render t hese r i ght s. These r est r i ct i ons t r ansl at e t o cer t ai n r esponsi bi l i t i es f or you i f you
di st r i but e copi es of t he l i br ar y or i f you modi f y i t .
For exampl e, i f you di st r i but e copi es of t he l i br ar y, whet her gr at i s or f or a f ee, you must gi ve t he
r eci pi ent s al l t he r i ght s t hat we gave you. You must make sur e t hat t hey, t oo, r ecei ve or can get t he sour ce
code. I f you l i nk ot her code wi t h t he l i br ar y, you must pr ovi de compl et e obj ect f i l es t o t he r eci pi ent s, so
t hat t hey can r el i nk t hem wi t h t he l i br ar y af t er maki ng changes t o t he l i br ar y and r ecompi l i ng i t . And you
must show t hem t hese t er ms so t hey know t hei r r i ght s.
We pr ot ect your ri ght s wi t h a t wo- st ep met hod: ( 1) we copyr i ght t he l i br ar y, and ( 2) we of f er you t hi s
l i cense, whi ch gi ves you l egal per mi ssi on t o copy, di st r i but e and/ or modi f y t he l i br ar y.
To pr ot ect each di st r i but or , we want t o make i t ver y cl ear t hat t her e i s no war rant y f or t he f r ee l i br ar y.
Al so, i f t he l i br ar y i s modi f i ed by someone el se and passed on, t he r eci pi ent s shoul d know t hat what t hey
have i s not t he or i gi nal ver si on, so t hat t he or i gi nal aut hor ' s r eput at i on wi l l not be af f ect ed by pr obl ems
t hat mi ght be i nt r oduced by ot her s.