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1*584308e5Szhongyang                    GNU GENERAL PUBLIC LICENSE
2*584308e5Szhongyang                       Version 3, 29 June 2007
3a51ceaf6Szhongyang219
4*584308e5Szhongyang Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
5*584308e5Szhongyang Everyone is permitted to copy and distribute verbatim copies
6*584308e5Szhongyang of this license document, but changing it is not allowed.
7a51ceaf6Szhongyang219
8*584308e5Szhongyang                            Preamble
9a51ceaf6Szhongyang219
10*584308e5Szhongyang  The GNU General Public License is a free, copyleft license for
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12a51ceaf6Szhongyang219
13*584308e5Szhongyang  The licenses for most software and other practical works are designed
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17*584308e5Szhongyangsoftware for all its users.  We, the Free Software Foundation, use the
18*584308e5SzhongyangGNU General Public License for most of our software; it applies also to
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21*584308e5Szhongyang
22*584308e5Szhongyang  When we speak of free software, we are referring to freedom, not
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34*584308e5Szhongyang  For example, if you distribute copies of such a program, whether
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40*584308e5Szhongyang  Developers that use the GNU GPL protect your rights with two steps:
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44*584308e5Szhongyang  For the developers' and authors' protection, the GPL clearly explains
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50*584308e5Szhongyang  Some devices are designed to deny users access to install or run
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60*584308e5Szhongyang
61*584308e5Szhongyang  Finally, every program is threatened constantly by software patents.
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68*584308e5Szhongyang  The precise terms and conditions for copying, distribution and
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70*584308e5Szhongyang
71*584308e5Szhongyang                       TERMS AND CONDITIONS
72*584308e5Szhongyang
73*584308e5Szhongyang  0. Definitions.
74*584308e5Szhongyang
75*584308e5Szhongyang  "This License" refers to version 3 of the GNU General Public License.
76*584308e5Szhongyang
77*584308e5Szhongyang  "Copyright" also means copyright-like laws that apply to other kinds of
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79*584308e5Szhongyang
80*584308e5Szhongyang  "The Program" refers to any copyrightable work licensed under this
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84*584308e5Szhongyang  To "modify" a work means to copy from or adapt all or part of the work
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89*584308e5Szhongyang  A "covered work" means either the unmodified Program or a work based
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92*584308e5Szhongyang  To "propagate" a work means to do anything with it that, without
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99*584308e5Szhongyang  To "convey" a work means any kind of propagation that enables other
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103*584308e5Szhongyang  An interactive user interface displays "Appropriate Legal Notices"
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111*584308e5Szhongyang
112*584308e5Szhongyang  1. Source Code.
113*584308e5Szhongyang
114*584308e5Szhongyang  The "source code" for a work means the preferred form of the work
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118*584308e5Szhongyang  A "Standard Interface" means an interface that either is an official
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123*584308e5Szhongyang  The "System Libraries" of an executable work include anything, other
124*584308e5Szhongyangthan the work as a whole, that (a) is included in the normal form of
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132*584308e5Szhongyangproduce the work, or an object code interpreter used to run it.
133*584308e5Szhongyang
134*584308e5Szhongyang  The "Corresponding Source" for a work in object code form means all
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138*584308e5SzhongyangSystem Libraries, or general-purpose tools or generally available free
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141*584308e5Szhongyangincludes interface definition files associated with source files for
142*584308e5Szhongyangthe work, and the source code for shared libraries and dynamically
143*584308e5Szhongyanglinked subprograms that the work is specifically designed to require,
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146*584308e5Szhongyang
147*584308e5Szhongyang  The Corresponding Source need not include anything that users
148*584308e5Szhongyangcan regenerate automatically from other parts of the Corresponding
149*584308e5SzhongyangSource.
150*584308e5Szhongyang
151*584308e5Szhongyang  The Corresponding Source for a work in source code form is that
152*584308e5Szhongyangsame work.
153*584308e5Szhongyang
154*584308e5Szhongyang  2. Basic Permissions.
155*584308e5Szhongyang
156*584308e5Szhongyang  All rights granted under this License are granted for the term of
157*584308e5Szhongyangcopyright on the Program, and are irrevocable provided the stated
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159*584308e5Szhongyangpermission to run the unmodified Program.  The output from running a
160*584308e5Szhongyangcovered work is covered by this License only if the output, given its
161*584308e5Szhongyangcontent, constitutes a covered work.  This License acknowledges your
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163*584308e5Szhongyang
164*584308e5Szhongyang  You may make, run and propagate covered works that you do not
165*584308e5Szhongyangconvey, without conditions so long as your license otherwise remains
166*584308e5Szhongyangin force.  You may convey covered works to others for the sole purpose
167*584308e5Szhongyangof having them make modifications exclusively for you, or provide you
168*584308e5Szhongyangwith facilities for running those works, provided that you comply with
169*584308e5Szhongyangthe terms of this License in conveying all material for which you do
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171*584308e5Szhongyangfor you must do so exclusively on your behalf, under your direction
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174*584308e5Szhongyang
175*584308e5Szhongyang  Conveying under any other circumstances is permitted solely under
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179*584308e5Szhongyang  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
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181*584308e5Szhongyang  No covered work shall be deemed part of an effective technological
182*584308e5Szhongyangmeasure under any applicable law fulfilling obligations under article
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187*584308e5Szhongyang  When you convey a covered work, you waive any legal power to forbid
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191*584308e5Szhongyangmodification of the work as a means of enforcing, against the work's
192*584308e5Szhongyangusers, your or third parties' legal rights to forbid circumvention of
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194*584308e5Szhongyang
195*584308e5Szhongyang  4. Conveying Verbatim Copies.
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197*584308e5Szhongyang  You may convey verbatim copies of the Program's source code as you
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204*584308e5Szhongyang
205*584308e5Szhongyang  You may charge any price or no price for each copy that you convey,
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207*584308e5Szhongyang
208*584308e5Szhongyang  5. Conveying Modified Source Versions.
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210*584308e5Szhongyang  You may convey a work based on the Program, or the modifications to
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213*584308e5Szhongyang
214*584308e5Szhongyang    a) The work must carry prominent notices stating that you modified
215*584308e5Szhongyang    it, and giving a relevant date.
216*584308e5Szhongyang
217*584308e5Szhongyang    b) The work must carry prominent notices stating that it is
218*584308e5Szhongyang    released under this License and any conditions added under section
219*584308e5Szhongyang    7.  This requirement modifies the requirement in section 4 to
220*584308e5Szhongyang    "keep intact all notices".
221*584308e5Szhongyang
222*584308e5Szhongyang    c) You must license the entire work, as a whole, under this
223*584308e5Szhongyang    License to anyone who comes into possession of a copy.  This
224*584308e5Szhongyang    License will therefore apply, along with any applicable section 7
225*584308e5Szhongyang    additional terms, to the whole of the work, and all its parts,
226*584308e5Szhongyang    regardless of how they are packaged.  This License gives no
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229*584308e5Szhongyang
230*584308e5Szhongyang    d) If the work has interactive user interfaces, each must display
231*584308e5Szhongyang    Appropriate Legal Notices; however, if the Program has interactive
232*584308e5Szhongyang    interfaces that do not display Appropriate Legal Notices, your
233*584308e5Szhongyang    work need not make them do so.
234*584308e5Szhongyang
235*584308e5Szhongyang  A compilation of a covered work with other separate and independent
236*584308e5Szhongyangworks, which are not by their nature extensions of the covered work,
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238*584308e5Szhongyangin or on a volume of a storage or distribution medium, is called an
239*584308e5Szhongyang"aggregate" if the compilation and its resulting copyright are not
240*584308e5Szhongyangused to limit the access or legal rights of the compilation's users
241*584308e5Szhongyangbeyond what the individual works permit.  Inclusion of a covered work
242*584308e5Szhongyangin an aggregate does not cause this License to apply to the other
243*584308e5Szhongyangparts of the aggregate.
244*584308e5Szhongyang
245*584308e5Szhongyang  6. Conveying Non-Source Forms.
246*584308e5Szhongyang
247*584308e5Szhongyang  You may convey a covered work in object code form under the terms
248*584308e5Szhongyangof sections 4 and 5, provided that you also convey the
249*584308e5Szhongyangmachine-readable Corresponding Source under the terms of this License,
250*584308e5Szhongyangin one of these ways:
251*584308e5Szhongyang
252*584308e5Szhongyang    a) Convey the object code in, or embodied in, a physical product
253*584308e5Szhongyang    (including a physical distribution medium), accompanied by the
254*584308e5Szhongyang    Corresponding Source fixed on a durable physical medium
255*584308e5Szhongyang    customarily used for software interchange.
256*584308e5Szhongyang
257*584308e5Szhongyang    b) Convey the object code in, or embodied in, a physical product
258*584308e5Szhongyang    (including a physical distribution medium), accompanied by a
259*584308e5Szhongyang    written offer, valid for at least three years and valid for as
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262*584308e5Szhongyang    copy of the Corresponding Source for all the software in the
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266*584308e5Szhongyang    conveying of source, or (2) access to copy the
267*584308e5Szhongyang    Corresponding Source from a network server at no charge.
268*584308e5Szhongyang
269*584308e5Szhongyang    c) Convey individual copies of the object code with a copy of the
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271*584308e5Szhongyang    alternative is allowed only occasionally and noncommercially, and
272*584308e5Szhongyang    only if you received the object code with such an offer, in accord
273*584308e5Szhongyang    with subsection 6b.
274*584308e5Szhongyang
275*584308e5Szhongyang    d) Convey the object code by offering access from a designated
276*584308e5Szhongyang    place (gratis or for a charge), and offer equivalent access to the
277*584308e5Szhongyang    Corresponding Source in the same way through the same place at no
278*584308e5Szhongyang    further charge.  You need not require recipients to copy the
279*584308e5Szhongyang    Corresponding Source along with the object code.  If the place to
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282*584308e5Szhongyang    that supports equivalent copying facilities, provided you maintain
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285*584308e5Szhongyang    Corresponding Source, you remain obligated to ensure that it is
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287*584308e5Szhongyang
288*584308e5Szhongyang    e) Convey the object code using peer-to-peer transmission, provided
289*584308e5Szhongyang    you inform other peers where the object code and Corresponding
290*584308e5Szhongyang    Source of the work are being offered to the general public at no
291*584308e5Szhongyang    charge under subsection 6d.
292*584308e5Szhongyang
293*584308e5Szhongyang  A separable portion of the object code, whose source code is excluded
294*584308e5Szhongyangfrom the Corresponding Source as a System Library, need not be
295*584308e5Szhongyangincluded in conveying the object code work.
296*584308e5Szhongyang
297*584308e5Szhongyang  A "User Product" is either (1) a "consumer product", which means any
298*584308e5Szhongyangtangible personal property which is normally used for personal, family,
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302*584308e5Szhongyangproduct received by a particular user, "normally used" refers to a
303*584308e5Szhongyangtypical or common use of that class of product, regardless of the status
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308*584308e5Szhongyangthe only significant mode of use of the product.
309*584308e5Szhongyang
310*584308e5Szhongyang  "Installation Information" for a User Product means any methods,
311*584308e5Szhongyangprocedures, authorization keys, or other information required to install
312*584308e5Szhongyangand execute modified versions of a covered work in that User Product from
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314*584308e5Szhongyangsuffice to ensure that the continued functioning of the modified object
315*584308e5Szhongyangcode is in no case prevented or interfered with solely because
316*584308e5Szhongyangmodification has been made.
317*584308e5Szhongyang
318*584308e5Szhongyang  If you convey an object code work under this section in, or with, or
319*584308e5Szhongyangspecifically for use in, a User Product, and the conveying occurs as
320*584308e5Szhongyangpart of a transaction in which the right of possession and use of the
321*584308e5SzhongyangUser Product is transferred to the recipient in perpetuity or for a
322*584308e5Szhongyangfixed term (regardless of how the transaction is characterized), the
323*584308e5SzhongyangCorresponding Source conveyed under this section must be accompanied
324*584308e5Szhongyangby the Installation Information.  But this requirement does not apply
325*584308e5Szhongyangif neither you nor any third party retains the ability to install
326*584308e5Szhongyangmodified object code on the User Product (for example, the work has
327*584308e5Szhongyangbeen installed in ROM).
328*584308e5Szhongyang
329*584308e5Szhongyang  The requirement to provide Installation Information does not include a
330*584308e5Szhongyangrequirement to continue to provide support service, warranty, or updates
331*584308e5Szhongyangfor a work that has been modified or installed by the recipient, or for
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333*584308e5Szhongyangnetwork may be denied when the modification itself materially and
334*584308e5Szhongyangadversely affects the operation of the network or violates the rules and
335*584308e5Szhongyangprotocols for communication across the network.
336*584308e5Szhongyang
337*584308e5Szhongyang  Corresponding Source conveyed, and Installation Information provided,
338*584308e5Szhongyangin accord with this section must be in a format that is publicly
339*584308e5Szhongyangdocumented (and with an implementation available to the public in
340*584308e5Szhongyangsource code form), and must require no special password or key for
341*584308e5Szhongyangunpacking, reading or copying.
342*584308e5Szhongyang
343*584308e5Szhongyang  7. Additional Terms.
344*584308e5Szhongyang
345*584308e5Szhongyang  "Additional permissions" are terms that supplement the terms of this
346*584308e5SzhongyangLicense by making exceptions from one or more of its conditions.
347*584308e5SzhongyangAdditional permissions that are applicable to the entire Program shall
348*584308e5Szhongyangbe treated as though they were included in this License, to the extent
349*584308e5Szhongyangthat they are valid under applicable law.  If additional permissions
350*584308e5Szhongyangapply only to part of the Program, that part may be used separately
351*584308e5Szhongyangunder those permissions, but the entire Program remains governed by
352*584308e5Szhongyangthis License without regard to the additional permissions.
353*584308e5Szhongyang
354*584308e5Szhongyang  When you convey a copy of a covered work, you may at your option
355*584308e5Szhongyangremove any additional permissions from that copy, or from any part of
356*584308e5Szhongyangit.  (Additional permissions may be written to require their own
357*584308e5Szhongyangremoval in certain cases when you modify the work.)  You may place
358*584308e5Szhongyangadditional permissions on material, added by you to a covered work,
359*584308e5Szhongyangfor which you have or can give appropriate copyright permission.
360*584308e5Szhongyang
361*584308e5Szhongyang  Notwithstanding any other provision of this License, for material you
362*584308e5Szhongyangadd to a covered work, you may (if authorized by the copyright holders of
363*584308e5Szhongyangthat material) supplement the terms of this License with terms:
364*584308e5Szhongyang
365*584308e5Szhongyang    a) Disclaiming warranty or limiting liability differently from the
366*584308e5Szhongyang    terms of sections 15 and 16 of this License; or
367*584308e5Szhongyang
368*584308e5Szhongyang    b) Requiring preservation of specified reasonable legal notices or
369*584308e5Szhongyang    author attributions in that material or in the Appropriate Legal
370*584308e5Szhongyang    Notices displayed by works containing it; or
371*584308e5Szhongyang
372*584308e5Szhongyang    c) Prohibiting misrepresentation of the origin of that material, or
373*584308e5Szhongyang    requiring that modified versions of such material be marked in
374*584308e5Szhongyang    reasonable ways as different from the original version; or
375*584308e5Szhongyang
376*584308e5Szhongyang    d) Limiting the use for publicity purposes of names of licensors or
377*584308e5Szhongyang    authors of the material; or
378*584308e5Szhongyang
379*584308e5Szhongyang    e) Declining to grant rights under trademark law for use of some
380*584308e5Szhongyang    trade names, trademarks, or service marks; or
381*584308e5Szhongyang
382*584308e5Szhongyang    f) Requiring indemnification of licensors and authors of that
383*584308e5Szhongyang    material by anyone who conveys the material (or modified versions of
384*584308e5Szhongyang    it) with contractual assumptions of liability to the recipient, for
385*584308e5Szhongyang    any liability that these contractual assumptions directly impose on
386*584308e5Szhongyang    those licensors and authors.
387*584308e5Szhongyang
388*584308e5Szhongyang  All other non-permissive additional terms are considered "further
389*584308e5Szhongyangrestrictions" within the meaning of section 10.  If the Program as you
390*584308e5Szhongyangreceived it, or any part of it, contains a notice stating that it is
391*584308e5Szhongyanggoverned by this License along with a term that is a further
392*584308e5Szhongyangrestriction, you may remove that term.  If a license document contains
393*584308e5Szhongyanga further restriction but permits relicensing or conveying under this
394*584308e5SzhongyangLicense, you may add to a covered work material governed by the terms
395*584308e5Szhongyangof that license document, provided that the further restriction does
396*584308e5Szhongyangnot survive such relicensing or conveying.
397*584308e5Szhongyang
398*584308e5Szhongyang  If you add terms to a covered work in accord with this section, you
399*584308e5Szhongyangmust place, in the relevant source files, a statement of the
400*584308e5Szhongyangadditional terms that apply to those files, or a notice indicating
401*584308e5Szhongyangwhere to find the applicable terms.
402*584308e5Szhongyang
403*584308e5Szhongyang  Additional terms, permissive or non-permissive, may be stated in the
404*584308e5Szhongyangform of a separately written license, or stated as exceptions;
405*584308e5Szhongyangthe above requirements apply either way.
406*584308e5Szhongyang
407*584308e5Szhongyang  8. Termination.
408*584308e5Szhongyang
409*584308e5Szhongyang  You may not propagate or modify a covered work except as expressly
410*584308e5Szhongyangprovided under this License.  Any attempt otherwise to propagate or
411*584308e5Szhongyangmodify it is void, and will automatically terminate your rights under
412*584308e5Szhongyangthis License (including any patent licenses granted under the third
413*584308e5Szhongyangparagraph of section 11).
414*584308e5Szhongyang
415*584308e5Szhongyang  However, if you cease all violation of this License, then your
416*584308e5Szhongyanglicense from a particular copyright holder is reinstated (a)
417*584308e5Szhongyangprovisionally, unless and until the copyright holder explicitly and
418*584308e5Szhongyangfinally terminates your license, and (b) permanently, if the copyright
419*584308e5Szhongyangholder fails to notify you of the violation by some reasonable means
420*584308e5Szhongyangprior to 60 days after the cessation.
421*584308e5Szhongyang
422*584308e5Szhongyang  Moreover, your license from a particular copyright holder is
423*584308e5Szhongyangreinstated permanently if the copyright holder notifies you of the
424*584308e5Szhongyangviolation by some reasonable means, this is the first time you have
425*584308e5Szhongyangreceived notice of violation of this License (for any work) from that
426*584308e5Szhongyangcopyright holder, and you cure the violation prior to 30 days after
427*584308e5Szhongyangyour receipt of the notice.
428*584308e5Szhongyang
429*584308e5Szhongyang  Termination of your rights under this section does not terminate the
430*584308e5Szhongyanglicenses of parties who have received copies or rights from you under
431*584308e5Szhongyangthis License.  If your rights have been terminated and not permanently
432*584308e5Szhongyangreinstated, you do not qualify to receive new licenses for the same
433*584308e5Szhongyangmaterial under section 10.
434*584308e5Szhongyang
435*584308e5Szhongyang  9. Acceptance Not Required for Having Copies.
436*584308e5Szhongyang
437*584308e5Szhongyang  You are not required to accept this License in order to receive or
438*584308e5Szhongyangrun a copy of the Program.  Ancillary propagation of a covered work
439*584308e5Szhongyangoccurring solely as a consequence of using peer-to-peer transmission
440*584308e5Szhongyangto receive a copy likewise does not require acceptance.  However,
441*584308e5Szhongyangnothing other than this License grants you permission to propagate or
442*584308e5Szhongyangmodify any covered work.  These actions infringe copyright if you do
443*584308e5Szhongyangnot accept this License.  Therefore, by modifying or propagating a
444*584308e5Szhongyangcovered work, you indicate your acceptance of this License to do so.
445*584308e5Szhongyang
446*584308e5Szhongyang  10. Automatic Licensing of Downstream Recipients.
447*584308e5Szhongyang
448*584308e5Szhongyang  Each time you convey a covered work, the recipient automatically
449*584308e5Szhongyangreceives a license from the original licensors, to run, modify and
450*584308e5Szhongyangpropagate that work, subject to this License.  You are not responsible
451*584308e5Szhongyangfor enforcing compliance by third parties with this License.
452*584308e5Szhongyang
453*584308e5Szhongyang  An "entity transaction" is a transaction transferring control of an
454*584308e5Szhongyangorganization, or substantially all assets of one, or subdividing an
455*584308e5Szhongyangorganization, or merging organizations.  If propagation of a covered
456*584308e5Szhongyangwork results from an entity transaction, each party to that
457*584308e5Szhongyangtransaction who receives a copy of the work also receives whatever
458*584308e5Szhongyanglicenses to the work the party's predecessor in interest had or could
459*584308e5Szhongyanggive under the previous paragraph, plus a right to possession of the
460*584308e5SzhongyangCorresponding Source of the work from the predecessor in interest, if
461*584308e5Szhongyangthe predecessor has it or can get it with reasonable efforts.
462*584308e5Szhongyang
463*584308e5Szhongyang  You may not impose any further restrictions on the exercise of the
464*584308e5Szhongyangrights granted or affirmed under this License.  For example, you may
465*584308e5Szhongyangnot impose a license fee, royalty, or other charge for exercise of
466*584308e5Szhongyangrights granted under this License, and you may not initiate litigation
467*584308e5Szhongyang(including a cross-claim or counterclaim in a lawsuit) alleging that
468*584308e5Szhongyangany patent claim is infringed by making, using, selling, offering for
469*584308e5Szhongyangsale, or importing the Program or any portion of it.
470*584308e5Szhongyang
471*584308e5Szhongyang  11. Patents.
472*584308e5Szhongyang
473*584308e5Szhongyang  A "contributor" is a copyright holder who authorizes use under this
474*584308e5SzhongyangLicense of the Program or a work on which the Program is based.  The
475*584308e5Szhongyangwork thus licensed is called the contributor's "contributor version".
476*584308e5Szhongyang
477*584308e5Szhongyang  A contributor's "essential patent claims" are all patent claims
478*584308e5Szhongyangowned or controlled by the contributor, whether already acquired or
479*584308e5Szhongyanghereafter acquired, that would be infringed by some manner, permitted
480*584308e5Szhongyangby this License, of making, using, or selling its contributor version,
481*584308e5Szhongyangbut do not include claims that would be infringed only as a
482*584308e5Szhongyangconsequence of further modification of the contributor version.  For
483*584308e5Szhongyangpurposes of this definition, "control" includes the right to grant
484*584308e5Szhongyangpatent sublicenses in a manner consistent with the requirements of
485*584308e5Szhongyangthis License.
486*584308e5Szhongyang
487*584308e5Szhongyang  Each contributor grants you a non-exclusive, worldwide, royalty-free
488*584308e5Szhongyangpatent license under the contributor's essential patent claims, to
489*584308e5Szhongyangmake, use, sell, offer for sale, import and otherwise run, modify and
490*584308e5Szhongyangpropagate the contents of its contributor version.
491*584308e5Szhongyang
492*584308e5Szhongyang  In the following three paragraphs, a "patent license" is any express
493*584308e5Szhongyangagreement or commitment, however denominated, not to enforce a patent
494*584308e5Szhongyang(such as an express permission to practice a patent or covenant not to
495*584308e5Szhongyangsue for patent infringement).  To "grant" such a patent license to a
496*584308e5Szhongyangparty means to make such an agreement or commitment not to enforce a
497*584308e5Szhongyangpatent against the party.
498*584308e5Szhongyang
499*584308e5Szhongyang  If you convey a covered work, knowingly relying on a patent license,
500*584308e5Szhongyangand the Corresponding Source of the work is not available for anyone
501*584308e5Szhongyangto copy, free of charge and under the terms of this License, through a
502*584308e5Szhongyangpublicly available network server or other readily accessible means,
503*584308e5Szhongyangthen you must either (1) cause the Corresponding Source to be so
504*584308e5Szhongyangavailable, or (2) arrange to deprive yourself of the benefit of the
505*584308e5Szhongyangpatent license for this particular work, or (3) arrange, in a manner
506*584308e5Szhongyangconsistent with the requirements of this License, to extend the patent
507*584308e5Szhongyanglicense to downstream recipients.  "Knowingly relying" means you have
508*584308e5Szhongyangactual knowledge that, but for the patent license, your conveying the
509*584308e5Szhongyangcovered work in a country, or your recipient's use of the covered work
510*584308e5Szhongyangin a country, would infringe one or more identifiable patents in that
511*584308e5Szhongyangcountry that you have reason to believe are valid.
512*584308e5Szhongyang
513*584308e5Szhongyang  If, pursuant to or in connection with a single transaction or
514*584308e5Szhongyangarrangement, you convey, or propagate by procuring conveyance of, a
515*584308e5Szhongyangcovered work, and grant a patent license to some of the parties
516*584308e5Szhongyangreceiving the covered work authorizing them to use, propagate, modify
517*584308e5Szhongyangor convey a specific copy of the covered work, then the patent license
518*584308e5Szhongyangyou grant is automatically extended to all recipients of the covered
519*584308e5Szhongyangwork and works based on it.
520*584308e5Szhongyang
521*584308e5Szhongyang  A patent license is "discriminatory" if it does not include within
522*584308e5Szhongyangthe scope of its coverage, prohibits the exercise of, or is
523*584308e5Szhongyangconditioned on the non-exercise of one or more of the rights that are
524*584308e5Szhongyangspecifically granted under this License.  You may not convey a covered
525*584308e5Szhongyangwork if you are a party to an arrangement with a third party that is
526*584308e5Szhongyangin the business of distributing software, under which you make payment
527*584308e5Szhongyangto the third party based on the extent of your activity of conveying
528*584308e5Szhongyangthe work, and under which the third party grants, to any of the
529*584308e5Szhongyangparties who would receive the covered work from you, a discriminatory
530*584308e5Szhongyangpatent license (a) in connection with copies of the covered work
531*584308e5Szhongyangconveyed by you (or copies made from those copies), or (b) primarily
532*584308e5Szhongyangfor and in connection with specific products or compilations that
533*584308e5Szhongyangcontain the covered work, unless you entered into that arrangement,
534*584308e5Szhongyangor that patent license was granted, prior to 28 March 2007.
535*584308e5Szhongyang
536*584308e5Szhongyang  Nothing in this License shall be construed as excluding or limiting
537*584308e5Szhongyangany implied license or other defenses to infringement that may
538*584308e5Szhongyangotherwise be available to you under applicable patent law.
539*584308e5Szhongyang
540*584308e5Szhongyang  12. No Surrender of Others' Freedom.
541*584308e5Szhongyang
542*584308e5Szhongyang  If conditions are imposed on you (whether by court order, agreement or
543*584308e5Szhongyangotherwise) that contradict the conditions of this License, they do not
544*584308e5Szhongyangexcuse you from the conditions of this License.  If you cannot convey a
545*584308e5Szhongyangcovered work so as to satisfy simultaneously your obligations under this
546*584308e5SzhongyangLicense and any other pertinent obligations, then as a consequence you may
547*584308e5Szhongyangnot convey it at all.  For example, if you agree to terms that obligate you
548*584308e5Szhongyangto collect a royalty for further conveying from those to whom you convey
549*584308e5Szhongyangthe Program, the only way you could satisfy both those terms and this
550*584308e5SzhongyangLicense would be to refrain entirely from conveying the Program.
551*584308e5Szhongyang
552*584308e5Szhongyang  13. Use with the GNU Affero General Public License.
553*584308e5Szhongyang
554*584308e5Szhongyang  Notwithstanding any other provision of this License, you have
555*584308e5Szhongyangpermission to link or combine any covered work with a work licensed
556*584308e5Szhongyangunder version 3 of the GNU Affero General Public License into a single
557*584308e5Szhongyangcombined work, and to convey the resulting work.  The terms of this
558*584308e5SzhongyangLicense will continue to apply to the part which is the covered work,
559*584308e5Szhongyangbut the special requirements of the GNU Affero General Public License,
560*584308e5Szhongyangsection 13, concerning interaction through a network will apply to the
561*584308e5Szhongyangcombination as such.
562*584308e5Szhongyang
563*584308e5Szhongyang  14. Revised Versions of this License.
564*584308e5Szhongyang
565*584308e5Szhongyang  The Free Software Foundation may publish revised and/or new versions of
566*584308e5Szhongyangthe GNU General Public License from time to time.  Such new versions will
567*584308e5Szhongyangbe similar in spirit to the present version, but may differ in detail to
568*584308e5Szhongyangaddress new problems or concerns.
569*584308e5Szhongyang
570*584308e5Szhongyang  Each version is given a distinguishing version number.  If the
571*584308e5SzhongyangProgram specifies that a certain numbered version of the GNU General
572*584308e5SzhongyangPublic License "or any later version" applies to it, you have the
573*584308e5Szhongyangoption of following the terms and conditions either of that numbered
574*584308e5Szhongyangversion or of any later version published by the Free Software
575*584308e5SzhongyangFoundation.  If the Program does not specify a version number of the
576*584308e5SzhongyangGNU General Public License, you may choose any version ever published
577*584308e5Szhongyangby the Free Software Foundation.
578*584308e5Szhongyang
579*584308e5Szhongyang  If the Program specifies that a proxy can decide which future
580*584308e5Szhongyangversions of the GNU General Public License can be used, that proxy's
581*584308e5Szhongyangpublic statement of acceptance of a version permanently authorizes you
582*584308e5Szhongyangto choose that version for the Program.
583*584308e5Szhongyang
584*584308e5Szhongyang  Later license versions may give you additional or different
585*584308e5Szhongyangpermissions.  However, no additional obligations are imposed on any
586*584308e5Szhongyangauthor or copyright holder as a result of your choosing to follow a
587*584308e5Szhongyanglater version.
588*584308e5Szhongyang
589*584308e5Szhongyang  15. Disclaimer of Warranty.
590*584308e5Szhongyang
591*584308e5Szhongyang  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592*584308e5SzhongyangAPPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593*584308e5SzhongyangHOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594*584308e5SzhongyangOF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595*584308e5SzhongyangTHE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596*584308e5SzhongyangPURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597*584308e5SzhongyangIS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598*584308e5SzhongyangALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599*584308e5Szhongyang
600*584308e5Szhongyang  16. Limitation of Liability.
601*584308e5Szhongyang
602*584308e5Szhongyang  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603*584308e5SzhongyangWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604*584308e5SzhongyangTHE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605*584308e5SzhongyangGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606*584308e5SzhongyangUSE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607*584308e5SzhongyangDATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608*584308e5SzhongyangPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609*584308e5SzhongyangEVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610*584308e5SzhongyangSUCH DAMAGES.
611*584308e5Szhongyang
612*584308e5Szhongyang  17. Interpretation of Sections 15 and 16.
613*584308e5Szhongyang
614*584308e5Szhongyang  If the disclaimer of warranty and limitation of liability provided
615*584308e5Szhongyangabove cannot be given local legal effect according to their terms,
616*584308e5Szhongyangreviewing courts shall apply local law that most closely approximates
617*584308e5Szhongyangan absolute waiver of all civil liability in connection with the
618*584308e5SzhongyangProgram, unless a warranty or assumption of liability accompanies a
619*584308e5Szhongyangcopy of the Program in return for a fee.
620*584308e5Szhongyang
621*584308e5Szhongyang                     END OF TERMS AND CONDITIONS
622*584308e5Szhongyang
623*584308e5Szhongyang            How to Apply These Terms to Your New Programs
624*584308e5Szhongyang
625*584308e5Szhongyang  If you develop a new program, and you want it to be of the greatest
626*584308e5Szhongyangpossible use to the public, the best way to achieve this is to make it
627*584308e5Szhongyangfree software which everyone can redistribute and change under these terms.
628*584308e5Szhongyang
629*584308e5Szhongyang  To do so, attach the following notices to the program.  It is safest
630*584308e5Szhongyangto attach them to the start of each source file to most effectively
631*584308e5Szhongyangstate the exclusion of warranty; and each file should have at least
632*584308e5Szhongyangthe "copyright" line and a pointer to where the full notice is found.
633*584308e5Szhongyang
634*584308e5Szhongyang    {one line to give the program's name and a brief idea of what it does.}
635*584308e5Szhongyang    Copyright (C) {year}  {name of author}
636*584308e5Szhongyang
637*584308e5Szhongyang    This program is free software: you can redistribute it and/or modify
638*584308e5Szhongyang    it under the terms of the GNU General Public License as published by
639*584308e5Szhongyang    the Free Software Foundation, either version 3 of the License, or
640*584308e5Szhongyang    (at your option) any later version.
641*584308e5Szhongyang
642*584308e5Szhongyang    This program is distributed in the hope that it will be useful,
643*584308e5Szhongyang    but WITHOUT ANY WARRANTY; without even the implied warranty of
644*584308e5Szhongyang    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
645*584308e5Szhongyang    GNU General Public License for more details.
646*584308e5Szhongyang
647*584308e5Szhongyang    You should have received a copy of the GNU General Public License
648*584308e5Szhongyang    along with this program.  If not, see <http://www.gnu.org/licenses/>.
649*584308e5Szhongyang
650*584308e5SzhongyangAlso add information on how to contact you by electronic and paper mail.
651*584308e5Szhongyang
652*584308e5Szhongyang  If the program does terminal interaction, make it output a short
653*584308e5Szhongyangnotice like this when it starts in an interactive mode:
654*584308e5Szhongyang
655*584308e5Szhongyang    {project}  Copyright (C) {year}  {fullname}
656*584308e5Szhongyang    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657*584308e5Szhongyang    This is free software, and you are welcome to redistribute it
658*584308e5Szhongyang    under certain conditions; type `show c' for details.
659*584308e5Szhongyang
660*584308e5SzhongyangThe hypothetical commands `show w' and `show c' should show the appropriate
661*584308e5Szhongyangparts of the General Public License.  Of course, your program's commands
662*584308e5Szhongyangmight be different; for a GUI interface, you would use an "about box".
663*584308e5Szhongyang
664*584308e5Szhongyang  You should also get your employer (if you work as a programmer) or school,
665*584308e5Szhongyangif any, to sign a "copyright disclaimer" for the program, if necessary.
666*584308e5SzhongyangFor more information on this, and how to apply and follow the GNU GPL, see
667*584308e5Szhongyang<http://www.gnu.org/licenses/>.
668*584308e5Szhongyang
669*584308e5Szhongyang  The GNU General Public License does not permit incorporating your program
670*584308e5Szhongyanginto proprietary programs.  If your program is a subroutine library, you
671*584308e5Szhongyangmay consider it more useful to permit linking proprietary applications with
672*584308e5Szhongyangthe library.  If this is what you want to do, use the GNU Lesser General
673*584308e5SzhongyangPublic License instead of this License.  But first, please read
674*584308e5Szhongyang<http://www.gnu.org/philosophy/why-not-lgpl.html>.
675