Additional Information
36
En
2. You may modify your co p y o r co p ies of
the Pr og r am o r any p or tion of it, thus
forming a wo rk based on the P r ogram,
and cop y and distribute such
modifications or wo rk unde r the te rms
of Section 1 above, pr ovided that you
also meet all of these conditions:
a) You must cause the modified files to
carr y pr ominent notices stating that
you changed the files and the date of
any change.
b) You must cause any wor k that you
distr ibute o r p ublish, that in whole o r
in p ar t contains or is de r ived fr om the
Pr og r am o r any p ar t ther eof, to be
licensed as a whole at no char ge to all
thir d p ar ties under the ter ms of
this
License.
c) If the modified pr og r am no r mally
reads commands inte racti vely when
run, you must cause it, when sta rted
running fo r such inte ractive use in
the most or dinar y way, to pr int o r
disp lay an announcement including
an appr opr iate co p yr ight notice and a
notice that ther e is no wa rr anty (o r
else, saying that you pr ovide a
warr anty) and that use r s may
redist ribute the prog ram unde r these
conditions, and telling the user how
to view a copy of this License.
(Excep tion: if the Pr og r am itself is
inter active but does not nor mally
print such an announcement, you r
wor k based on the P r og r am is not
req
uir ed to pr int an announcement.)
These r equir ements app ly to the
modified wor k as a whole. If identifiable
sections of that wor k ar e not der ived
fr om the Pr ogr am, and can b e
reasonably conside red inde pendent
and sep ar ate wor ks in themselves, then
this License, and its ter ms, do not apply
to those sections when you distr ibute
them as sep ar ate wo r ks. But when you
distr ibute the same sections as p ar t of a
whole which is a wor k based on the
Pr og r am, the dist r ibution of the whole
must be on the ter ms of this License,
whose p er missions fo r othe r licensees
extend to the entir e whole, and thus to
each and every pa rt rega rdless of who
wr ot
e it.
Thus, it is not the intent of this section to
claim r ights o r contest your r ights to
wor k wr itten entir ely by you; r ather , the
intent is to exer cise the r ight to cont r ol
the distr ibution of de r ivativ e or
collective works based on the P rog r am.
In addition, mer e agg r egation of
another wor k not base d on the Pr og r am
with the Pr og r am (or with a wor k ba sed
on the Pr og r am) on a volume of a
stor age o r dist r ibution medium does
not br ing the o the r wo r k under the
scope of this License.
3. You may cop y and distribute the
Pr ogr am (o r a w
ork based on it, unde r
Section 2) in object code or executable
form unde r the te rms of Se ction s 1 and
2 above pr ovided that you also do one of
the following:
a) Accompany it with the com p lete
corr esp onding ma chine - r eadable
source code, which must be
distr ibuted unde r the ter ms of
Sections 1 and 2 above on a medium
customar ily used fo r softwa r e
inter change; or ,
b) Accompany it with a w r itten offer,
valid for at least th ree yea r s, to give
any third pa r ty, for a charge no mo re
than your cost of physically
pe rfo rming sou rce dist ribution, a
comp lete machine-read
able cop y of
the corr esp onding sou r ce code, to be
distr ibuted unde r the ter ms of
Sections 1 and 2 above on a medium
customar ily used fo r softwa r e
inter change; or ,
c) Accompany it with the info rmation
you r eceived as to the offer to
distr ibute corr esp onding sou r ce
code. (This alter native is al lowed only
for noncomme r cial distr ibution and
only if you received the pr ogram in
object code or executable fo rm with
such an offer, in acco r d with
Subsection b above.)
The source code fo r a wo rk means the
prefe rred fo rm of the work fo r making
modifications to it. For an executable
wor k, comp le
te source code means all
the sour ce code for all modu les it
contains, p lus any associated inte r face
definition files, p lus the scri pts u sed to
contr ol comp ilation and insta llation of
the executable. However , as a special
excep tion, the sour ce code dist r ibuted
need not include anything that is
nor mally dist r ibuted (in either sou r ce o r
binary fo rm) with the majo r
components (com pile r, ke r nel, and so
on) of the op er ating system on which
the executable runs, unless that
component itself accom panies the
executable.
If distr ibution of executable or object
code is m ade by of fer ing access to co p y
fr om a designated p lace, then offer ing
equivalent access to cop y the sou r ce
cod
e from the s ame p lace counts as
distribution of the so u rce code, even
though thir d p ar ties ar e not compelled
to cop y the sour ce along with the object
code.
4. You may not cop y, modi fy, sublicense,
or dist r ibute the Pr og r am exce p t as
expr essly pr ovided unde r this License.
Any attempt othe r wise to copy, modify,
sublicense or dist ribute the P rog r am is
void, and will automa tically terminate
your r ights unde r this License.
However , p ar ties who have r eceived
cop ies, or rights, f rom you unde r this
License will not have their licenses
ter minated so long as such p ar ti
es
remain in full com pliance.
5. You ar e not r eq uir ed to accep t this
License, since you have not signed it.
However , nothing else gr ants you
pe rmission to modify o r dist ribute the
Pr ogr am o r its de r ivative w orks. These
actions are prohibited by law if yo u do
not accept this License. The refo r e, b y
modifyi ng or distributing the P rog ram
(or any wo r k based on th e P r og r am),
you indicate your acceptance of this
License to do so, and all its terms and
conditions for cop yin g, distr ibuting or
modifyi ng the Prog r am or works based
on it.
6. Each time you r ed
istr ibute the Pr ogr am
(or any wo r k based on the P r og r am), the
reci pient automatically receiv es a
license from the o riginal licen so r to
copy, dist r ibute or modify the P rog r am
subject to these ter ms and conditions.
You may not imp ose any fu r ther
rest rictions on the reci pients' exe rcise
of the r ights g r anted her ein. You ar e no t
res ponsible fo r enfo rcing com pliance
by thir d pa rties to this Lic ense.
7. If, as a consequence of a cour t
judgment or allegation of p ate nt
infringement o r fo r any othe r reason
(not li
mited to p atent issues),
conditions ar e imp osed on you (whether
by court o rde r, ag reement o r othe rwise)
that contr adict the conditions of this
License, they do not excuse you fr om
the conditions of this License. If you
cannot distr ibute so as to satisfy
simultaneously your obligation s under
this License and any other p er tinent
obligations, then as a consequence you
may not distr ibute the Pr og r am at all.
For examp le, if a p atent license would
not p er mit r oyalty-f r ee r edistr ibution of
the Pr ogr am by all t hose who r eceive
cop ies di rectly o r indi rectly th rough y ou,
then the only way you could satisfy b oth
it and this License would be to r efr ain
entir el
y fr om dis tribution of the
Pr ogr am.
If any po rtion of this section is held
invalid or unenfo rceable unde r any
pa rticula r ci rcumstance, the balance of
the section is intended to app ly and the
section as a whole is intended to app ly
in other circumstances.
It is not the p urp ose of this section to
induce you to infr inge any patents o r
other prop er ty r ight claims or to contest
validity of any such claims; this section
has the sole p urp ose of pr otectin g the
integr ity of the f r ee softwa r e dist r ibution
system, which is imp lemented by p ublic
license pr actices. Many p eople have
made gener ous contr ibution s to the
wi
de r ange of softwa r e dist r ibuted
thr ough that system in r eliance on
consistent app lication of tha t system; it
is up to the autho r /donor to d ecide if he
or she is willing to dist r ibute softw are
thr ough an y othe r syste m and a
licensee cannot imp ose that choice.
This section is intended to make
thor oughly clea r wh at i s be li e ve d t o b e a
consequence of the r est of this License.
8. If the distr ibution and /or use of the
Pr og r am is r estr icted in ce r tain
countr ies eithe r by p at ents or by
copy righted inte rfaces, the o r iginal
copy r ight holder who p laces the
Pr og r am unde r this License may add an
exp licit geo g r ap hi
cal distr ibution
limita tion ex cluding those co untr ies, so
that distr ibution is p er mitted only in o r
among countr ies not thus excluded. In
such case, this License incorp or ates
the limitation as if wr itten in the body of
this License.
9. The Fr ee Softwar e Foundation may
publish revised and/o r new ve rsions of
the Gener al Public License f r om time to
time. Such new versions will be simila r
in spi rit to the present ve rsion, but may
differ in detail to add ress new pr oblems
or conce r ns.
Each version is given a distinguishing
ver sion numbe r . If the Pr og r am
sp ecifies a version numbe r of this
License which applies to it and “any
later ve rsion”, you have the o p tion of
fol
lowing the terms and conditions
either of that ver sion o r of any late r
ver sion p ublished by the F r ee Softwa r e
Foundation. If the Pr og r am does not
sp ecify a ve r sion numbe r of this
License, you may choose any versi on
ever p ublished by the Fr ee Softwar e
Foundation.
10. If you wi sh to incorp or ate p ar ts of the
Pr og r am into othe r fr ee pr og r ams
whose distribution conditions a re
different, w rite to the autho r to ask fo r
pe rmission. Fo r softwa re which is
copy righted by the F ree Softwa re
Foundation, wr ite to the Fr ee So
ftware
Foundation; we sometimes make
excep tions fo r this. Our decisio n will be
guided by the two goals of prese rving
the fr ee status of all der ivatives of ou r
fr ee softwar e and of pr omoting th e
sharing and r euse of softwa re gene r ally.
NO WARRANTY
11. BECA USE THE PROGRAM IS
LICENSED FREE OF CHARGE, T HERE
IS NO WARRANTY FOR THE
PROGRAM, TO THE EX TENT
PERMITTED BY APPLICABLE LAW.
EXCEPT WHEN OTHERWISE STAT ED
IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRA M “AS IS”
WITHOUT WAR RANTY OF ANY KIND,
EITHER E XPRESSED OR I MPLIED,
INCLUDING, BUT NOT LIMI TED TO, THE
IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE . THE
ENTIRE RISK AS TO THE QUALIT Y AND
PERFORMANCE OF THE PROGRAM IS
WITH YOU. SHOULD THE PROGRAM
PROVE DEFECTIVE, YOU A SSUME THE
COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY
APPLICABLE LAW OR AGREED T O IN
WRITING WILL ANY COPYRIGHT
HOLDER, OR ANY OTHER PARTY WHO
MAY MODIFY AND/OR R EDISTRIBU TE
THE PROGRAM AS PERMITTED
ABOVE, BE LIABLE TO YOU FOR
DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES ARISI NG
OUT OF THE USE OR INABILITY TO USE
THE PROGRAM (INCLUDING B UT NOT
LIMITED TO LOSS OF DATA OR DATA
BEING REN DERED INACCU RATE OR
LOSSES SUSTAINED BY YOU OR
THIRD PARTIES OR A FAILURE OF THE
PROGRAM TO OPERATE WITH ANY
OTHER PROGRAMS), EVEN IF SUCH
HOLDER OR OTHER PARTY HAS BEEN
ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
END OF TERMS AND
CONDITIONS
How to Apply These Terms to
Your New Programs
If you develop a new prog r am, and you want
it to be of the gr eatest p ossible use to the
public, the best way to achieve this is to
make it free softwa r e which everyone can
redist ribute a nd change u nde r these te rms.
To do so, attach the following noti ces to the
prog ram. It is safest to attach them to the
star t of each sour ce file to most effectiv ely
convey the exclusion of warr anty; and each
file should have a t least the “copy r ight” line
and a pointe r to whe re the full notice is
found.
one line to give the p rogram’s name and an
idea of what it does.
Cop yr ight (C) yyyy name of author
This pr ogram is f ree softwa re; you can
redist ribute it and/o r modify it unde r the
ter ms of the GNU Gene r al Public License as
published by the F ree Softwa re Foundation;
either ve r sion 2 of the License, or (at you r
op tion) any later ve r si
on.
This prog ram is dist ributed in the ho pe that
it will be useful, but WITH OUT ANY
WARRANTY; without even the imp lied
warranty of MERCHANTABILI TY o r FITNESS
FOR A PARTICULAR PURPOSE. See the
GNU General Public License for mo re
details.
You should have r eceived a cop y of the GNU
General Public License
along with this pr ogr am; if not, wr ite to the
Fr ee Softwar e Foundation, Inc., 51 Fr anklin
Str eet, Fifth Floor , Boston, MA 02110-1301,
USA.
Also add information on how to contact you
by electr onic and p ap er ma il.
If the pr ogr am is inte r active, make it outp ut
a short notice like this when it sta rts in an
inter active mode:
Gnomovision version 69, Cop yr ight (C) year
name of author
Gnomovision comes wi th ABSOLUTELY NO
WARRANTY; for d
etails typ e ‘show w’. This
is free softwa re, and you a re welcome to
redist ribute it unde r ce rtain conditions;
typ e ‘show c’ for details.
The hyp othetical commands ‘show w’ and
‘show c’ shoul d show t he appr opr iate pa rts
of the Gener al Public License. Of cour se,
the commands you use may be called
something other than ‘show w’ and ‘show
c’; they could even be mouse-clicks or
menu items--whatever suits you r pr ogr am.
You should also get your em p lo yer (if you
work as a pr ogramme r) o r your sch ool, if
any, to sign a “c opy r ight disclaimer ” for the
prog ram, if necessa ry. He re is a sam ple;
alter the names:
Yoyodyne, Inc., her eby disclaims a ll
copy r ig
ht interest in the pr ogram
‘Gnomovision’ (which makes passes at
comp ilers) w ritten by James Hacke r.
signature of Ty Coon , 1 Apr il 1989
Ty Coon, Pr esident of Vice
This General Public License does not
pe rmit inco rp o rating y our pr ogram into
propr ieta r y pr ogr ams. If y our pr ogram is a
subr outine lib ra ry, you may conside r it
mor e useful to p er mit linking pr opr ietar y
app lications with the lib r ar y. If this is what
you want to do, use the GNU Lesser Gene ral
Public License instead of this License.
GNU LESSER GENERAL PUBLIC
LICENSE
Version 2.1, Feb rua ry 1999
Copy right (C) 1991, 1999 F ree Softwa re
Foundation, Inc.
51 Fr anklin St reet, Fifth Floo r, Boston, MA
02110-1301 USA
Ever yon e is pe r mitted to cop y and distribute
ver batim copies of this l icense document,
but changing it is not allowed.
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