LICENSE

GNU Affero General Public License version 3 – OpenPaaS

License and Additional Terms for OpenPaaS software

OpenPaaS is an open-source, cloud-based and enterprise-centric PaaS and SaaS 
dedicated to social and collaborative services, distributed under the GNU 
Affero GPL v3 License terms, with Additional Terms pursuant to Section 7 of 
said license.

These Additional Terms are not intended to be taken as a change of heart by
Linagora over the principles of free software and open source distribution, as
Linagora strongly believes in free software and open source distribution, since
it warrants an easy and reasonable access to software innovation to large user
communities, and is highly committed to supporting free software and open
source whenever possible.

Linagora wishes its paternity over OpenPaaS to be acknowledged,
regardless of its present or later use, modification, distribution and/or
evolutions. Accordingly, these terms aim at preserving Linagora moral rights
over OpenPaaS.

We have taken care of not affecting product copying, improvements or deploying.
It is our conviction that the community will not be affected by these terms,
the ultimate goal of which is to ensure the sustainability of free and open
source software by supporting R&D and improving the visibility of Linagora as a
free and open source software publisher, while encouraging others to comply
with our common ideals.

Pursuant to this license, you are therefore free to use the software and modify
it according to the GNU Affero General Public License version 3, provided that
you comply with its requirements, notably:

 - indicating, in a clear and unambiguous manner, that the software is a
   modification of original code;
 - retaining Appropriate Legal Notices in the source code and the user
   interface;
 - keeping any modifications of the software under the terms of the GNU Affero
   General Public License version 3, including its Additional Terms pursuant to
   its section 7, subsections (b), (c) and (e).

Following are the applicable Additional Terms for use of OpenPaaS
pursuant to section 7, subsections (b), (c) and (e) of the GNU Affero General
Public License version 3.

Additional Terms applicable for OpenPaaS

The following additional terms are applicable to the use, modification and
distribution of OpenPaaS:

  1. Notices and Attribution:

The interactive user interfaces in modified source and object code versions of
this program must display Appropriate Legal Notices, as required under Section
5 of the GNU Affero General Public License version 3.

In accordance with Section 7 and subsection (b) of the GNU Affero General
Public License version 3, these Appropriate Legal Notices consist in the
display of the Signature Notice “OpenPaaS is powered by Linagora.” for any 
and all type of outbound messages (e.g. e-mail and meeting requests). 
Retaining this Signature Notice in any and all free and Open Source versions 
of OpenPaaS is mandatory notwhistanding any other terms and conditions.

These Signature Notices can be freely translated and replaced by any notice of
strictly identical meaning in another language according to localization of the
software, provided such notice clearly displays the words “OpenPaaS” and 
“Linagora”.

Regardless of the notice language, the Logo/words "OpenPaaS" must be a clickable 
hypertext link that leads directly to the Internet URL http://open-paas.org. 
The Logo/word "Linagora" must be a clickable hypertext link that leads directly 
to the Internet URL http://www.linagora.com.

2. Use of the OpenPaaS and Linagora trademarks and logos

OpenPaaS™ and Linagora™ are registered trademarks of Linagora.

Pursuant to Section 7, subsections (c) and (e) of the GNU Affero General Public
License version 3, this license allows limited use of these trademarks under
the following terms:

All Linagora trademarks, including OpenPaaS™ and Linagora™ logos shall be used by
the licensees and sublicensees for the sole purpose of complying with the
present Additional Terms to the GNU Affero General Public License version 3,
excluding any other purpose without written consent obtained from Linagora.

Using these trademarks without the (TM) trademark notice symbol, removing these
trademarks from the software, modifying these trademarks in any manner except
proportional scaling (under the proviso that such scaling keeps the trademark
clearly legible), or using these trademarks to promote any products or services
commercially, or on product packaging, websites, books, documentation or any
other publication without a written, signed agreement with Linagora is strictly
prohibited, and constitutes an infringement of Linagora intellectual property
rights over these trademarks.  Using these trademarks in a way harmful,
damaging or detrimental to the value of the OpenPaaS brand or any other Linagora
trademarks, integrity, image, reputation, and/or goodwill, as determined by
Linagora, is also strictly prohibited, and constitutes an infringement of
Linagora intellectual property rights over these trademarks as well.

Please report any possible violation of the GNU Affero General Public License
version 3, any violation of the hereabove Additional Terms, any infringement
and/or misuse of any OpenPaaS or Linagora trade marks and/or a violation of the
aforementioned Trademark Policy at <info@linagora.com>.

		GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November
		2007

Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/> Everyone is
permitted to copy and distribute verbatim copies of this license document, but
changing it is not allowed.

		Preamble

The GNU Affero General Public License is a free, copyleft license for software
and other kinds of works, specifically designed to ensure cooperation with the
community in the case of network server software.

The licenses for most software and other practical works are designed to take
away your freedom to share and change the works. By contrast, our General
Public Licenses are intended to guarantee your freedom to share and change all
versions of a program--to make sure it remains free software for all its users.

When we speak of free software, we are referring to freedom, not price. Our
General Public Licenses are designed to make sure that you have the freedom to
distribute copies of free software (and charge for them if you wish), that you
receive source code or can get it if you want it, that you can change the
software or use pieces of it in new free programs, and that you know you can do
these things.

Developers that use our General Public Licenses protect your rights with two
steps: (1) assert copyright on the software, and (2) offer you this License
which gives you legal permission to copy, distribute and/or modify the
software.

A secondary benefit of defending all users' freedom is that improvements made
in alternate versions of the program, if they receive widespread use, become
available for other developers to incorporate. Many developers of free software
are heartened and encouraged by the resulting cooperation. However, in the case
of software used on network servers, this result may fail to come about. The
GNU General Public License permits making a modified version and letting the
public access it on a server without ever releasing its source code to the
public.

The GNU Affero General Public License is designed specifically to ensure that,
in such cases, the modified source code becomes available to the community. It
requires the operator of a network server to provide the source code of the
modified version running there to the users of that server. Therefore, public
use of a modified version, on a publicly accessible server, gives the public
access to the source code of the modified version.

An older license, called the Affero General Public License and published by
Affero, was designed to accomplish similar goals. This is a different license,
not a version of the Affero GPL, but Affero has released a new version of the
Affero GPL which permits relicensing under this license.

The precise terms and conditions for copying, distribution and modification
follow.

		       TERMS AND CONDITIONS

  0. Definitions.

"This License" refers to version 3 of the GNU Affero General Public License.

"Copyright" also means copyright-like laws that apply to other kinds of works,
such as semiconductor masks.

"The Program" refers to any copyrightable work licensed under this License.
Each licensee is addressed as "you". "Licensees" and "recipients" may be
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The resulting work is called a "modified version" of the earlier work or a work
"based on" the earlier work.

A "covered work" means either the unmodified Program or a work based on the
Program.

To "propagate" a work means to do anything with it that, without permission,
would make you directly or secondarily liable for infringement under applicable
copyright law, except executing it on a computer or modifying a private copy.
Propagation includes copying, distribution (with or without modification),
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To "convey" a work means any kind of propagation that enables other parties to
make or receive copies. Mere interaction with a user through a computer
network, with no transfer of a copy, is not conveying.

An interactive user interface displays "Appropriate Legal Notices" to the
extent that it includes a convenient and prominently visible feature that (1)
displays an appropriate copyright notice, and (2) tells the user that there is
no warranty for the work (except to the extent that warranties are provided),
that licensees may convey the work under this License, and how to view a copy
of this License. If the interface presents a list of user commands or options,
such as a menu, a prominent item in the list meets this criterion.

  1. Source Code.

The "source code" for a work means the preferred form of the work for making
modifications to it. "Object code" means any non-source form of a work.  A
"Standard Interface" means an interface that either is an official standard
defined by a recognized standards body, or, in the case of interfaces specified
for a particular programming language, one that is widely used among developers
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The "System Libraries" of an executable work include anything, other than the
work as a whole, that (a) is included in the normal form of packaging a Major
Component, but which is not part of that Major Component, and (b) serves only
to enable use of the work with that Major Component, or to implement a Standard
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form. A "Major Component", in this context, means a major essential component
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which the executable work runs, or a compiler used to produce the work, or an
object code interpreter used to run it.

The "Corresponding Source" for a work in object code form means all the source
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code and to modify the work, including scripts to control those activities.
However, it does not include the work's System Libraries, or general-purpose
tools or generally available free programs which are used unmodified in
performing those activities but which are not part of the work. For example,
Corresponding Source includes interface definition files associated with source
files for the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require, such as
by intimate data communication or control flow between those subprograms and
other parts of the work.

The Corresponding Source need not include anything that users can regenerate
automatically from other parts of the Corresponding Source.

The Corresponding Source for a work in source code form is that same work.

  2. Basic Permissions.

All rights granted under this License are granted for the term of copyright on
the Program, and are irrevocable provided the stated conditions are met. This
License explicitly affirms your unlimited permission to run the unmodified
Program. The output from running a covered work is covered by this License only
if the output, given its content, constitutes a covered work. This License
acknowledges your rights of fair use or other equivalent, as provided by
copyright law.

You may make, run and propagate covered works that you do not convey, without
conditions so long as your license otherwise remains in force. You may convey
covered works to others for the sole purpose of having them make modifications
exclusively for you, or provide you with facilities for running those works,
provided that you comply with the terms of this License in conveying all
material for which you do not control copyright. Those thus making or running
the covered works for you must do so exclusively on your behalf, under your
direction and control, on terms that prohibit them from making any copies of
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Conveying under any other circumstances is permitted solely under the
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  3. Protecting Users' Legal Rights From Anti-Circumvention Law.

No covered work shall be deemed part of an effective technological measure
under any applicable law fulfilling obligations under article 11 of the WIPO
copyright treaty adopted on 20 December 1996, or similar laws prohibiting or
restricting circumvention of such measures.

When you convey a covered work, you waive any legal power to forbid
circumvention of technological measures to the extent such circumvention is
effected by exercising rights under this License with respect to the covered
work, and you disclaim any intention to limit operation or modification of the
work as a means of enforcing, against the work's users, your or third parties'
legal rights to forbid circumvention of technological measures.  4. Conveying
Verbatim Copies.

You may convey verbatim copies of the Program's source code as you receive it,
in any medium, provided that you conspicuously and appropriately publish on
each copy an appropriate copyright notice; keep intact all notices stating that
this License and any non-permissive terms added in accord with section 7 apply
to the code; keep intact all notices of the absence of any warranty; and give
all recipients a copy of this License along with the Program.

You may charge any price or no price for each copy that you convey, and you may
offer support or warranty protection for a fee.

  5. Conveying Modified Source Versions.

You may convey a work based on the Program, or the modifications to produce it
from the Program, in the form of source code under the terms of section 4,
provided that you also meet all of these conditions:

    a) The work must carry prominent notices stating that you modified it, and
giving a relevant date. 

    b) The work must carry prominent notices stating that it is released under
this License and any conditions added under section 7. This requirement
modifies the requirement in section 4 to "keep intact all notices". 

    c) You must license the entire work, as a whole, under this License to
anyone who comes into possession of a copy. This License will therefore apply,
along with any applicable section 7 additional terms, to the whole of the work,
and all its parts, regardless of how they are packaged. This License gives no
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    d) If the work has interactive user interfaces, each must display
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so. 

A compilation of a covered work with other separate and independent works,
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its resulting copyright are not used to limit the access or legal rights of the
compilation's users beyond what the individual works permit. Inclusion of a
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parts of the aggregate.

  6. Conveying Non-Source Forms.

You may convey a covered work in object code form under the terms of sections 4
and 5, provided that you also convey the machine-readable Corresponding Source
under the terms of this License, in one of these ways:

a) Convey the object code in, or embodied in, a physical product (including a
physical distribution medium), accompanied by the Corresponding Source fixed on
a durable physical medium customarily used for software interchange. 

b) Convey the object code in, or embodied in, a physical product (including a
physical distribution medium), accompanied by a written offer, valid for at
least three years and valid for as long as you offer spare parts or customer
support for that product model, to give anyone who possesses the object code
either (1) a copy of the Corresponding Source for all the software in the
product that is covered by this License, on a durable physical medium
customarily used for software interchange, for a price no more than your
reasonable cost of physically performing this conveying of source, or (2)
access to copy the Corresponding Source from a network server at no charge. 

c) Convey individual copies of the object code with a copy of the written offer
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such an offer, in accord with subsection 6b. 

d) Convey the object code by offering access from a designated place (gratis or
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e) Convey the object code using peer-to-peer transmission, provided you inform
other peers where the object code and Corresponding Source of the work are
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A separable portion of the object code, whose source code is excluded from the
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A "User Product" is either (1) a "consumer product", which means any tangible
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In determining whether a product is a consumer product, doubtful cases shall be
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"Installation Information" for a User Product means any methods, procedures,
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that the continued functioning of the modified object code is in no case
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convey an object code work under this section in, or with, or specifically for
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The requirement to provide Installation Information does not include a
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Corresponding Source conveyed, and Installation Information provided, in accord
with this section must be in a format that is publicly documented (and with an
implementation available to the public in source code form), and must require
no special password or key for unpacking, reading or copying.

  7. Additional Terms.

"Additional permissions" are terms that supplement the terms of this License by
making exceptions from one or more of its conditions. Additional permissions
that are applicable to the entire Program shall be treated as though they were
included in this License, to the extent that they are valid under applicable
law. If additional permissions apply only to part of the Program, that part may
be used separately under those permissions, but the entire Program remains
governed by this License without regard to the additional permissions.

When you convey a copy of a covered work, you may at your option remove any
additional permissions from that copy, or from any part of it. (Additional
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you modify the work.) You may place additional permissions on material, added
by you to a covered work, for which you have or can give appropriate copyright
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Notwithstanding any other provision of this License, for material you add to a
covered work, you may (if authorized by the copyright holders of that material)
supplement the terms of this License with terms:

    a) Disclaiming warranty or limiting liability differently from the terms of
sections 15 and 16 of this License; or 

    b) Requiring preservation of specified reasonable legal notices or author
attributions in that material or in the Appropriate Legal Notices displayed by
works containing it; or 

    c) Prohibiting misrepresentation of the origin of that material, or
requiring that modified versions of such material be marked in reasonable ways
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    d) Limiting the use for publicity purposes of names of licensors or authors
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    e) Declining to grant rights under trademark law for use of some trade
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    f) Requiring indemnification of licensors and authors of that material by
anyone who conveys the material (or modified versions of it) with contractual
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All other non-permissive additional terms are considered "further restrictions"
within the meaning of section 10. If the Program as you received it, or any
part of it, contains a notice stating that it is governed by this License along
with a term that is a further restriction, you may remove that term. If a
license document contains a further restriction but permits relicensing or
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by the terms of that license document, provided that the further restriction
does not survive such relicensing or conveying.

If you add terms to a covered work in accord with this section, you must place,
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Additional terms, permissive or non-permissive, may be stated in the form of a
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apply either way.

  8. Termination.

You may not propagate or modify a covered work except as expressly provided
under this License. Any attempt otherwise to propagate or modify it is void,
and will automatically terminate your rights under this License (including any
patent licenses granted under the third paragraph of section 11).  However, if
you cease all violation of this License, then your license from a particular
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copyright holder explicitly and finally terminates your license, and (b)
permanently, if the copyright holder fails to notify you of the violation by
some reasonable means prior to 60 days after the cessation.

Moreover, your license from a particular copyright holder is reinstated
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reasonable means, this is the first time you have received notice of violation
of this License (for any work) from that copyright holder, and you cure the
violation prior to 30 days after your receipt of the notice.

Termination of your rights under this section does not terminate the licenses
of parties who have received copies or rights from you under this License. If
your rights have been terminated and not permanently reinstated, you do not
qualify to receive new licenses for the same material under section 10.

  9. Acceptance Not Required for Having Copies.

You are not required to accept this License in order to receive or run a copy
of the Program. Ancillary propagation of a covered work occurring solely as a
consequence of using peer-to-peer transmission to receive a copy likewise does
not require acceptance. However, nothing other than this License grants you
permission to propagate or modify any covered work. These actions infringe
copyright if you do not accept this License. Therefore, by modifying or
propagating a covered work, you indicate your acceptance of this License to do
so.

  10. Automatic Licensing of Downstream Recipients.

Each time you convey a covered work, the recipient automatically receives a
license from the original licensors, to run, modify and propagate that work,
subject to this License. You are not responsible for enforcing compliance by
third parties with this License.

An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered work
results from an entity transaction, each party to that transaction who receives
a copy of the work also receives whatever licenses to the work the party's
predecessor in interest had or could give under the previous paragraph, plus a
right to possession of the Corresponding Source of the work from the
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reasonable efforts.

You may not impose any further restrictions on the exercise of the rights
granted or affirmed under this License. For example, you may not impose a
license fee, royalty, or other charge for exercise of rights granted under this
License, and you may not initiate litigation (including a cross-claim or
counterclaim in a lawsuit) alleging that any patent claim is infringed by
making, using, selling, offering for sale, or importing the Program or any
portion of it.

  11. Patents.

A "contributor" is a copyright holder who authorizes use under this License of
the Program or a work on which the Program is based. The work thus licensed is
called the contributor's "contributor version".

A contributor's "essential patent claims" are all patent claims owned or
controlled by the contributor, whether already acquired or hereafter acquired,
that would be infringed by some manner, permitted by this License, of making,
using, or selling its contributor version, but do not include claims that would
be infringed only as a consequence of further modification of the contributor
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patent sublicenses in a manner consistent with the requirements of this
License.

Each contributor grants you a non-exclusive, worldwide, royalty-free patent
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In the following three paragraphs, a "patent license" is any express agreement
or commitment, however denominated, not to enforce a patent (such as an express
permission to practice a patent or covenant not to sue for patent
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an agreement or commitment not to enforce a patent against the party.

If you convey a covered work, knowingly relying on a patent license, and the
Corresponding Source of the work is not available for anyone to copy, free of
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cause the Corresponding Source to be so available, or (2) arrange to deprive
yourself of the benefit of the patent license for this particular work, or (3)
arrange, in a manner consistent with the requirements of this License, to
extend the patent license to downstream recipients. "Knowingly relying" means
you have actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work in a
country, would infringe one or more identifiable patents in that country that
you have reason to believe are valid.

If, pursuant to or in connection with a single transaction or arrangement, you
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them to use, propagate, modify or convey a specific copy of the covered work,
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of the covered work and works based on it.

A patent license is "discriminatory" if it does not include within the scope of
its coverage, prohibits the exercise of, or is conditioned on the non-exercise
of one or more of the rights that are specifically granted under this License.
You may not convey a covered work if you are a party to an arrangement with a
third party that is in the business of distributing software, under which you
make payment to the third party based on the extent of your activity of
conveying the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory patent
license (a) in connection with copies of the covered work conveyed by you (or
copies made from those copies), or (b) primarily for and in connection with
specific products or compilations that contain the covered work, unless you
entered into that arrangement, or that patent license was granted, prior to 28
March 2007.

Nothing in this License shall be construed as excluding or limiting any implied
license or other defenses to infringement that may otherwise be available to
you under applicable patent law.

  12. No Surrender of Others' Freedom.

If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not excuse
you from the conditions of this License. If you cannot convey a covered work so
as to satisfy simultaneously your obligations under this License and any other
pertinent obligations, then as a consequence you may not convey it at all. For
example, if you agree to terms that obligate you to collect a royalty for
further conveying from those to whom you convey the Program, the only way you
could satisfy both those terms and this License would be to refrain entirely
from conveying the Program.

  13. Remote Network Interaction; Use with the GNU General Public License.

Notwithstanding any other provision of this License, if you modify the Program,
your modified version must prominently offer all users interacting with it
remotely through a computer network (if your version supports such interaction)
an opportunity to receive the Corresponding Source of your version by providing
access to the Corresponding Source from a network server at no charge, through
some standard or customary means of facilitating copying of software. This
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covered by version 3 of the GNU General Public License that is incorporated
pursuant to the following paragraph.

Notwithstanding any other provision of this License, you have permission to
link or combine any covered work with a work licensed under version 3 of the
GNU General Public License into a single combined work, and to convey the
resulting work. The terms of this License will continue to apply to the part
which is the covered work, but the work with which it is combined will remain
governed by version 3 of the GNU General Public License.  14. Revised Versions
of this License.

The Free Software Foundation may publish revised and/or new versions of the GNU
Affero General Public License from time to time. Such new versions will be
similar in spirit to the present version, but may differ in detail to address
new problems or concerns.

Each version is given a distinguishing version number. If the Program specifies
that a certain numbered version of the GNU Affero General Public License "or
any later version" applies to it, you have the option of following the terms
and conditions either of that numbered version or of any later version
published by the Free Software Foundation. If the Program does not specify a
version number of the GNU Affero General Public License, you may choose any
version ever published by the Free Software Foundation.

If the Program specifies that a proxy can decide which future versions of the
GNU Affero General Public License can be used, that proxy's public statement of
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the Program.

Later license versions may give you additional or different permissions.
However, no additional obligations are imposed on any author or copyright
holder as a result of your choosing to follow a later version.

  15. Disclaimer of Warranty.

THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER
PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE
QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
CORRECTION.

  16. Limitation of Liability.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY
COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS
PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED
INACCURATE 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.

  17. Interpretation of Sections 15 and 16.

If the disclaimer of warranty and limitation of liability provided above cannot
be given local legal effect according to their terms, reviewing courts shall
apply local law that most closely approximates an absolute waiver of all civil
liability in connection with the Program, unless a warranty or assumption of
liability accompanies a copy of the Program in return for a fee.

END OF TERMS AND CONDITIONS