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license.html
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<!DOCTYPE HTML>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this file,
- You can obtain one at http://mozilla.org/MPL/2.0/. -->
<html lang="en">
<head>
<meta http-equiv="Content-Security-Policy" content="default-src 'none'; style-src chrome:; img-src chrome:; object-src 'none'" />
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>Licenses</title>
<link rel="stylesheet" href="chrome://global/skin/in-content/info-pages.css" type="text/css">
<link rel="stylesheet" href="chrome://global/skin/aboutLicense.css" type="text/css"/>
</head>
<body id="lic-info">
<div class="license-header">
<div>
<h1><a id="top"></a>Licenses</h1>
#ifdef APP_LICENSE_BLOCK
#includesubst @APP_LICENSE_BLOCK@
#endif
</div>
</div>
<div>
<p>All of the <b>source code</b> to this product is
available under licenses which are both
<a href="https://www.gnu.org/philosophy/free-sw.html">free</a> and
<a href="https://www.opensource.org/docs/definition.php">open source</a>.
A URL identifying the specific source code used to create this copy can be found
on the <a href="about:buildconfig">build configuration page</a>, and you can read
<a href="https://developer.mozilla.org/en/Mozilla_Source_Code_%28Mercurial%29">instructions
on how to download and build the code for yourself</a>.
</p>
<p>More specifically, most of the source code is available under the
<a href="about:license#mpl">Mozilla Public License 2.0</a> (MPL).
The MPL has a
<a href="https://www.mozilla.org/MPL/2.0/FAQ/">FAQ</a> to help
you understand it. The remainder of the software which is not
under the MPL is available under one of a variety of other
free and open source licenses. Those that require reproduction
of the license text in the distribution are given below.
(Note: your copy of this product may not contain code covered by one
or more of the licenses listed here, depending on the exact product
and version you choose.)
</p>
<ul>
<li><a href="about:license#mpl">Mozilla Public License 2.0</a>
<br><br>
</li>
<li><a href="about:license#lgpl">GNU Lesser General Public License 2.1</a>
<br><br>
</li>
<li><a href="about:license#lgpl-3.0">GNU Lesser General Public License 3.0</a>
<br><br>
</li>
<li><a href="about:license#gpl-3.0">GNU General Public License 3.0</a>
<br><br>
</li>
<li><a href="about:license#ACE">ACE License</a></li>
<li><a href="about:license#acorn">acorn License</a></li>
#ifdef MOZ_INSTALL_TRACKING
<li><a href="about:license#adjust">Adjust SDK License</a></li>
#endif
<li><a href="about:license#adobecmap">Adobe CMap License</a></li>
<li><a href="about:license#android">Android Open Source License</a></li>
<li><a href="about:license#angle">ANGLE License</a></li>
<li><a href="about:license#apache">Apache License 2.0</a></li>
<li><a href="about:license#apache-llvm">Apache License 2.0 with LLVM exception</a></li>
<li><a href="about:license#apple">Apple License</a></li>
<li><a href="about:license#apple-mozilla">Apple/Mozilla NPRuntime License</a></li>
<li><a href="about:license#arm">ARM License</a></li>
<li><a href="about:license#babel">Babel License</a></li>
<li><a href="about:license#babylon">Babylon License</a></li>
<li><a href="about:license#bincode">bincode License</a></li>
<li><a href="about:license#bsd2clause">BSD 2-Clause License</a></li>
<li><a href="about:license#bsd3clause">BSD 3-Clause License</a></li>
<li><a href="about:license#bspatch">bspatch License</a></li>
<li><a href="about:license#byteorder">byteorder License</a></li>
<li><a href="about:license#cairo">Cairo Component Licenses</a></li>
<li><a href="about:license#chromium">Chromium License</a></li>
<li><a href="about:license#codemirror">CodeMirror License</a></li>
<li><a href="about:license#cubic-bezier">cubic-bezier License</a></li>
<li><a href="about:license#d3">D3 License</a></li>
<li><a href="about:license#dagre-d3">Dagre-D3 License</a></li>
<li><a href="about:license#diff">diff License</a></li>
<li><a href="about:license#dtoa">dtoa License</a></li>
<li><a href="about:license#fuzz-aldrin">fuzz-aldrin License</a></li>
<li><a href="about:license#hunspell-nl">Dutch Spellchecking Dictionary License</a></li>
#if defined(XP_WIN) || defined(XP_LINUX)
<li><a href="about:license#twemoji">Twemoji License</a></li>
#endif
<li><a href="about:license#hunspell-ee">Estonian Spellchecking Dictionary License</a></li>
<li><a href="about:license#emitter">Emitter License</a></li>
<li><a href="about:license#expat">Expat License</a></li>
<li><a href="about:license#firebug">Firebug License</a></li>
<li><a href="about:license#gdi32-sys">gdi32-sys License</a></li>
<li><a href="about:license#gfx-font-list">gfxFontList License</a></li>
<li><a href="about:license#google-bsd">Google BSD License</a></li>
<li><a href="about:license#gears">Google Gears License</a></li>
<li><a href="about:license#gears-istumbler">Google Gears/iStumbler License</a></li>
<li><a href="about:license#vp8">Google VP8 License</a></li>
<li><a href="about:license#gsl">GSL License</a></li>
<li><a href="about:license#gyp">gyp License</a></li>
<li><a href="about:license#halloc">halloc License</a></li>
<li><a href="about:license#harfbuzz">HarfBuzz License</a></li>
<li><a href="about:license#icu">ICU License</a></li>
<li><a href="about:license#immutable">Immutable.js License</a></li>
<li><a href="about:license#jpnic">Japan Network Information Center License</a></li>
<li><a href="about:license#jszip">JSZip License</a></li>
<li><a href="about:license#jemalloc">jemalloc License</a></li>
<li><a href="about:license#jquery">jQuery License</a></li>
<li><a href="about:license#k_exp">k_exp License</a></li>
<li><a href="about:license#kernel32-sys">kernel32-sys License</a></li>
<li><a href="about:license#khronos">Khronos group License</a></li>
<li><a href="about:license#kiss_fft">Kiss FFT License</a></li>
<li><a href="about:license#lazy_static">lazy_static License</a></li>
#ifdef MOZ_USE_LIBCXX
<li><a href="about:license#libc++">libc++ License</a></li>
#endif
<li><a href="about:license#libcubeb">libcubeb License</a></li>
<li><a href="about:license#libevent">libevent License</a></li>
<li><a href="about:license#libffi">libffi License</a></li>
<li><a href="about:license#libjingle">libjingle License</a></li>
<li><a href="about:license#libnestegg">libnestegg License</a></li>
<li><a href="about:license#libsoundtouch">libsoundtouch License</a></li>
<li><a href="about:license#libyuv">libyuv License</a></li>
<li><a href="about:license#hunspell-lt">Lithuanian Spellchecking Dictionary License</a></li>
<li><a href="about:license#lodash">lodash License</a></li>
<li><a href="about:license#matches">matches License</a></li>
<li><a href="about:license#myspell">MySpell License</a></li>
<li><a href="about:license#mqtt-packet">mqtt-packet License</a></li>
<li><a href="about:license#naturalSort">naturalSort License</a></li>
<li><a href="about:license#nicer">nICEr License</a></li>
<li><a href="about:license#node-md5">node-md5 License</a></li>
<li><a href="about:license#node-properties">node-properties License</a></li>
<li><a href="about:license#nom">nom License</a></li>
<li><a href="about:license#nrappkit">nrappkit License</a></li>
<li><a href="about:license#openldap">OpenLDAP Public License</a></li>
<li><a href="about:license#openvision">OpenVision License</a></li>
#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
<li><a href="about:license#openvr">OpenVR License</a></li>
#endif
<li><a href="about:license#ordered-float">ordered-float License</a></li>
<li><a href="about:license#owning_ref">owning_ref License</a></li>
<li><a href="about:license#pbkdf2-sha256">pbkdf2_sha256 License</a></li>
<li><a href="about:license#phf">phf, phf_codegen, phf_generator, phf_shared License</a></li>
<li><a href="about:license#polymer">Polymer License</a></li>
<li><a href="about:license#praton">praton License</a></li>
<li><a href="about:license#praton1">praton and inet_ntop License</a></li>
<li><a href="about:license#precomputed-hash">precomputed-hash License</a></li>
<li><a href="about:license#prop-types">prop-types License</a></li>
<li><a href="about:license#qcms">qcms License</a></li>
<li><a href="about:license#qrcode-generator">QR Code Generator License</a></li>
<li><a href="about:license#raven-js">Raven.js License</a></li>
<li><a href="about:license#react">React License</a></li>
<li><a href="about:license#react-mit">React MIT License</a></li>
<li><a href="about:license#react-redux">React-Redux License</a></li>
<li><a href="about:license#react-router">React Router License</a></li>
<li><a href="about:license#xdg">Red Hat xdg_user_dir_lookup License</a></li>
<li><a href="about:license#redox_syscall">redox_syscall License</a></li>
<li><a href="about:license#redux">Redux License</a></li>
<li><a href="about:license#reselect">Reselect License</a></li>
<li><a href="about:license#hunspell-ru">Russian Spellchecking Dictionary License</a></li>
<li><a href="about:license#sctp">SCTP Licenses</a></li>
<li><a href="about:license#skia">Skia License</a></li>
<li><a href="about:license#snappy">Snappy License</a></li>
<li><a href="about:license#socket.io-parser">Socket.IO Parser License</a></li>
<li><a href="about:license#sockjs-client">SockJS-Client License</a></li>
<li><a href="about:license#sprintf.js">sprintf.js License</a></li>
<li><a href="about:license#sunsoft">SunSoft License</a></li>
<li><a href="about:license#superfasthash">SuperFastHash License</a></li>
<li><a href="about:license#synstructure">synstructure License</a></li>
<li><a href="about:license#unicase">unicase License</a></li>
<li><a href="about:license#unicode">Unicode License</a></li>
<li><a href="about:license#ucal">University of California License</a></li>
<li><a href="about:license#unreachable">unreachable License</a></li>
<li><a href="about:license#hunspell-en">English Spellchecking Dictionary Licenses</a></li>
<li><a href="about:license#utf8-ranges">utf8-ranges License</a></li>
<li><a href="about:license#v8">V8 License</a></li>
<li><a href="about:license#validator">Validator License</a></li>
<li><a href="about:license#void">void License</a></li>
<li><a href="about:license#vtune">VTune License</a></li>
<li><a href="about:license#webrtc">WebRTC License</a></li>
<li><a href="about:license#x264">x264 License</a></li>
<li><a href="about:license#xiph">Xiph.org Foundation License</a></li>
<li><a href="about:license#zydis">Zydis License</a></li>
</ul>
<br>
<ul>
<li><a href="about:license#other-notices">Other Required Notices</a>
<li><a href="about:license#optional-notices">Optional Notices</a>
#ifdef XP_WIN
<li><a href="about:license#proprietary-notices">Proprietary Operating System Components</a>
#endif
</ul>
#ifdef APP_LICENSE_LIST_BLOCK
#ifndef APP_LICENSE_BODY_BLOCK
#error
#endif
#ifndef APP_LICENSE_PRODUCT_NAME
#error
#endif
The following licenses are specific to code used by the
#includesubst @APP_LICENSE_PRODUCT_NAME@
product.
<!-- Index of product-specific licenses for non-Firefox apps. -->
#includesubst @APP_LICENSE_LIST_BLOCK@
#endif
</div>
<hr>
<h1 id="mpl">Mozilla Public License 2.0</h1>
<h2 id="definitions">1. Definitions</h2>
<dl>
<dt>1.1. "Contributor"</dt>
<dd>
<p>means each individual or legal entity that creates, contributes to
the creation of, or owns Covered Software.</p>
</dd>
<dt>1.2. "Contributor Version"</dt>
<dd>
<p>means the combination of the Contributions of others (if any) used
by a Contributor and that particular Contributor's Contribution.</p>
</dd>
<dt>1.3. "Contribution"</dt>
<dd>
<p>means Covered Software of a particular Contributor.</p>
</dd>
<dt>1.4. "Covered Software"</dt>
<dd>
<p>means Source Code Form to which the initial Contributor has attached
the notice in Exhibit A, the Executable Form of such Source Code Form,
and Modifications of such Source Code Form, in each case including
portions thereof.</p>
</dd>
<dt>1.5. "Incompatible With Secondary Licenses"</dt>
<dd>
<p>means</p>
<ol type="a">
<li>
<p>that the initial Contributor has attached the notice described
in Exhibit B to the Covered Software; or</p>
</li>
<li>
<p>that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the terms
of a Secondary License.</p>
</li>
</ol>
</dd>
<dt>1.6. "Executable Form"</dt>
<dd>
<p>means any form of the work other than Source Code Form.</p>
</dd>
<dt>1.7. "Larger Work"</dt>
<dd>
<p>means a work that combines Covered Software with other material, in
a separate file or files, that is not Covered Software.</p>
</dd>
<dt>1.8. "License"</dt>
<dd>
<p>means this document.</p>
</dd>
<dt>1.9. "Licensable"</dt>
<dd>
<p>means having the right to grant, to the maximum extent possible,
whether at the time of the initial grant or subsequently, any and all
of the rights conveyed by this License.</p>
</dd>
<dt>1.10. "Modifications"</dt>
<dd>
<p>means any of the following:</p>
<ol type="a">
<li>
<p>any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered Software;
or</p>
</li>
<li>
<p>any new file in Source Code Form that contains any Covered
Software.</p>
</li>
</ol>
</dd>
<dt>1.11. "Patent Claims" of a Contributor</dt>
<dd>
<p>means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the License,
by the making, using, selling, offering for sale, having made, import,
or transfer of either its Contributions or its Contributor Version.</p>
</dd>
<dt>1.12. "Secondary License"</dt>
<dd>
<p>means either the GNU General Public License, Version 2.0, the GNU
Lesser General Public License, Version 2.1, the GNU Affero General
Public License, Version 3.0, or any later versions of those
licenses.</p>
</dd>
<dt>1.13. "Source Code Form"</dt>
<dd>
<p>means the form of the work preferred for making modifications.</p>
</dd>
<dt>1.14. "You" (or "Your")</dt>
<dd>
<p>means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that controls,
is controlled by, or is under common control with You. For purposes of
this definition, "control" means (a) the power, direct or indirect, to
cause the direction or management of such entity, whether by contract
or otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.</p>
</dd>
</dl>
<h2 id="license-grants-and-conditions">2. License Grants and
Conditions</h2>
<h3 id="grants">2.1. Grants</h3>
<p>Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:</p>
<ol type="a">
<li>
<p>under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or as
part of a Larger Work; and</p>
</li>
<li>
<p>under Patent Claims of such Contributor to make, use, sell, offer
for sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.</p>
</li>
</ol>
<h3 id="effective-date">2.2. Effective Date</h3>
<p>The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.</p>
<h3 id="limitations-on-grant-scope">2.3. Limitations on Grant Scope</h3>
<p>The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:</p>
<ol type="a">
<li>
<p>for any code that a Contributor has removed from Covered Software;
or</p>
</li>
<li>
<p>for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or</p>
</li>
<li>
<p>under Patent Claims infringed by Covered Software in the absence of
its Contributions.</p>
</li>
</ol>
<p>This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with the
notice requirements in Section 3.4).</p>
<h3 id="subsequent-licenses">2.4. Subsequent Licenses</h3>
<p>No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this License
(see Section 10.2) or under the terms of a Secondary License (if permitted
under the terms of Section 3.3).</p>
<h3 id="representation">2.5. Representation</h3>
<p>Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights to
grant the rights to its Contributions conveyed by this License.</p>
<h3 id="fair-use">2.6. Fair Use</h3>
<p>This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.</p>
<h3 id="conditions">2.7. Conditions</h3>
<p>Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
in Section 2.1.</p>
<h2 id="responsibilities">3. Responsibilities</h2>
<h3 id="distribution-of-source-form">3.1. Distribution of Source Form</h3>
<p>All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under the
terms of this License. You must inform recipients that the Source Code Form
of the Covered Software is governed by the terms of this License, and how
they can obtain a copy of this License. You may not attempt to alter or
restrict the recipients' rights in the Source Code Form.</p>
<h3 id="distribution-of-executable-form">3.2. Distribution of Executable
Form</h3>
<p>If You distribute Covered Software in Executable Form then:</p>
<ol type="a">
<li>
<p>such Covered Software must also be made available in Source Code
Form, as described in Section 3.1, and You must inform recipients of
the Executable Form how they can obtain a copy of such Source Code Form
by reasonable means in a timely manner, at a charge no more than the
cost of distribution to the recipient; and</p>
</li>
<li>
<p>You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter the
recipients' rights in the Source Code Form under this License.</p>
</li>
</ol>
<h3 id="distribution-of-a-larger-work">3.3. Distribution of a Larger
Work</h3>
<p>You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for the
Covered Software. If the Larger Work is a combination of Covered Software
with a work governed by one or more Secondary Licenses, and the Covered
Software is not Incompatible With Secondary Licenses, this License permits
You to additionally distribute such Covered Software under the terms of
such Secondary License(s), so that the recipient of the Larger Work may, at
their option, further distribute the Covered Software under the terms of
either this License or such Secondary License(s).</p>
<h3 id="notices">3.4. Notices</h3>
<p>You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty, or
limitations of liability) contained within the Source Code Form of the
Covered Software, except that You may alter any license notices to the
extent required to remedy known factual inaccuracies.</p>
<h3 id="application-of-additional-terms">3.5. Application of Additional
Terms</h3>
<p>You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on behalf
of any Contributor. You must make it absolutely clear that any such
warranty, support, indemnity, or liability obligation is offered by You
alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.</p>
<h2 id="inability-to-comply-due-to-statute-or-regulation">4. Inability to
Comply Due to Statute or Regulation</h2>
<p>If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Software due to statute,
judicial order, or regulation then You must: (a) comply with the terms of
this License to the maximum extent possible; and (b) describe the
limitations and the code they affect. Such description must be placed in a
text file included with all distributions of the Covered Software under
this License. Except to the extent prohibited by statute or regulation,
such description must be sufficiently detailed for a recipient of ordinary
skill to be able to understand it.</p>
<h2 id="termination">5. Termination</h2>
<h3>5.1.</h3>
<p>The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the
non-compliance by some reasonable means prior to 60 days after You have
come back into compliance. Moreover, Your grants from a particular
Contributor are reinstated on an ongoing basis if such Contributor notifies
You of the non-compliance by some reasonable means, this is the first time
You have received notice of non-compliance with this License from such
Contributor, and You become compliant prior to 30 days after Your receipt
of the notice.</p>
<h3>5.2.</h3>
<p>If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions, counter-claims,
and cross-claims) alleging that a Contributor Version directly or
indirectly infringes any patent, then the rights granted to You by any and
all Contributors for the Covered Software under Section 2.1 of this License
shall terminate.</p>
<h3>5.3.</h3>
<p>In the event of termination under Sections 5.1 or 5.2 above, all
end user license agreements (excluding distributors and resellers) which
have been validly granted by You or Your distributors under this License
prior to termination shall survive termination.</p>
<h2 id="disclaimer-of-warranty">6. Disclaimer of Warranty</h2>
<p><em>Covered Software is provided under this License on an "as is" basis,
without warranty of any kind, either expressed, implied, or statutory,
including, without limitation, warranties that the Covered Software is free
of defects, merchantable, fit for a particular purpose or non-infringing.
The entire risk as to the quality and performance of the Covered Software
is with You. Should any Covered Software prove defective in any respect,
You (not any Contributor) assume the cost of any necessary servicing,
repair, or correction. This disclaimer of warranty constitutes an essential
part of this License. No use of any Covered Software is authorized under
this License except under this disclaimer.</em></p>
<h2 id="limitation-of-liability">7. Limitation of Liability</h2>
<p><em>Under no circumstances and under no legal theory, whether tort
(including negligence), contract, or otherwise, shall any Contributor, or
anyone who distributes Covered Software as permitted above, be liable to
You for any direct, indirect, special, incidental, or consequential damages
of any character including, without limitation, damages for lost profits,
loss of goodwill, work stoppage, computer failure or malfunction, or any
and all other commercial damages or losses, even if such party shall have
been informed of the possibility of such damages. This limitation of
liability shall not apply to liability for death or personal injury
resulting from such party's negligence to the extent applicable law
prohibits such limitation. Some jurisdictions do not allow the exclusion or
limitation of incidental or consequential damages, so this exclusion and
limitation may not apply to You.</em></p>
<h2 id="litigation">8. Litigation</h2>
<p>Any litigation relating to this License may be brought only in the
courts of a jurisdiction where the defendant maintains its principal place
of business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions. Nothing
in this Section shall prevent a party's ability to bring cross-claims or
counter-claims.</p>
<h2 id="miscellaneous">9. Miscellaneous</h2>
<p>This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides that
the language of a contract shall be construed against the drafter shall not
be used to construe this License against a Contributor.</p>
<h2 id="versions-of-the-license">10. Versions of the License</h2>
<h3 id="new-versions">10.1. New Versions</h3>
<p>Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.</p>
<h3 id="effect-of-new-versions">10.2. Effect of New Versions</h3>
<p>You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software, or
under the terms of any subsequent version published by the license
steward.</p>
<h3 id="modified-versions">10.3. Modified Versions</h3>
<p>If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a modified
version of this License if you rename the license and remove any references
to the name of the license steward (except to note that such modified
license differs from this License).</p>
<h3 id=
"distributing-source-code-form-that-is-incompatible-with-secondary-licenses">
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses</h3>
<p>If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.</p>
<h2 id="exhibit-a---source-code-form-license-notice">Exhibit A - Source
Code Form License Notice</h2>
<blockquote>
<p>This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this file,
You can obtain one at https://mozilla.org/MPL/2.0/.</p>
</blockquote>
<p>If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE file
in a relevant directory) where a recipient would be likely to look for such
a notice.</p>
<p>You may add additional accurate notices of copyright ownership.</p>
<h2 id="exhibit-b---incompatible-with-secondary-licenses-notice">Exhibit B
- "Incompatible With Secondary Licenses" Notice</h2>
<blockquote>
<p>This Source Code Form is "Incompatible With Secondary Licenses", as
defined by the Mozilla Public License, v. 2.0.</p>
</blockquote>
<hr>
<h1 id="lgpl">GNU Lesser General Public License 2.1</h1>
<p>This product contains code from the following LGPLed libraries:</p>
<ul>
<li><a href="https://www.surina.net/soundtouch/">libsoundtouch</a>
<li><a href="https://libav.org/">Libav</a>
<li><a href="https://ffmpeg.org/">FFmpeg</a>
<li><a href="https://addons.mozilla.org/en-US/firefox/addon/german-dictionary/">German Dictionary</a>
</ul>
<pre>
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
</pre>
<h3><a id="SEC2">Preamble</a></h3>
<p>
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
</p>
<p>
This license, the Lesser General Public License, applies to some
specially designated software packages--typically libraries--of the
Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
</p>
<p>
When we speak of free software, we are referring to freedom of use,
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 this service if you wish); that you receive source code or can get
it if you want it; that you can change the software and use pieces of
it in new free programs; and that you are informed that you can do
these things.
</p>
<p>
To protect your rights, we need to make restrictions that forbid
distributors to deny you these rights or to ask you to surrender these
rights. These restrictions translate to certain responsibilities for
you if you distribute copies of the library or if you modify it.
</p>
<p>
For example, if you distribute copies of the library, whether gratis
or for a fee, you must give the recipients all the rights that we gave
you. You must make sure that they, too, receive or can get the source
code. If you link other code with the library, you must provide
complete object files to the recipients, so that they can relink them
with the library after making changes to the library and recompiling
it. And you must show them these terms so they know their rights.
</p>
<p>
We protect your rights with a two-step method: (1) we copyright the
library, and (2) we offer you this license, which gives you legal
permission to copy, distribute and/or modify the library.
</p>
<p>
To protect each distributor, we want to make it very clear that
there is no warranty for the free library. Also, if the library is
modified by someone else and passed on, the recipients should know
that what they have is not the original version, so that the original
author's reputation will not be affected by problems that might be
introduced by others.
</p>
<p>
Finally, software patents pose a constant threat to the existence of
any free program. We wish to make sure that a company cannot
effectively restrict the users of a free program by obtaining a
restrictive license from a patent holder. Therefore, we insist that
any patent license obtained for a version of the library must be
consistent with the full freedom of use specified in this license.
</p>
<p>
Most GNU software, including some libraries, is covered by the
ordinary GNU General Public License. This license, the GNU Lesser
General Public License, applies to certain designated libraries, and
is quite different from the ordinary General Public License. We use
this license for certain libraries in order to permit linking those
libraries into non-free programs.
</p>
<p>
When a program is linked with a library, whether statically or using
a shared library, the combination of the two is legally speaking a
combined work, a derivative of the original library. The ordinary
General Public License therefore permits such linking only if the
entire combination fits its criteria of freedom. The Lesser General
Public License permits more lax criteria for linking other code with
the library.
</p>
<p>
We call this license the "Lesser" General Public License because it
does Less to protect the user's freedom than the ordinary General
Public License. It also provides other free software developers Less
of an advantage over competing non-free programs. These disadvantages
are the reason we use the ordinary General Public License for many
libraries. However, the Lesser license provides advantages in certain
special circumstances.
</p>
<p>
For example, on rare occasions, there may be a special need to
encourage the widest possible use of a certain library, so that it becomes
a de-facto standard. To achieve this, non-free programs must be
allowed to use the library. A more frequent case is that a free
library does the same job as widely used non-free libraries. In this
case, there is little to gain by limiting the free library to free
software only, so we use the Lesser General Public License.
</p>
<p>
In other cases, permission to use a particular library in non-free
programs enables a greater number of people to use a large body of
free software. For example, permission to use the GNU C Library in
non-free programs enables many more people to use the whole GNU
operating system, as well as its variant, the GNU/Linux operating
system.
</p>
<p>
Although the Lesser General Public License is Less protective of the
users' freedom, it does ensure that the user of a program that is
linked with the Library has the freedom and the wherewithal to run
that program using a modified version of the Library.
</p>
<p>
The precise terms and conditions for copying, distribution and
modification follow. Pay close attention to the difference between a
"work based on the library" and a "work that uses the library". The
former contains code derived from the library, whereas the latter must
be combined with the library in order to run.
</p>
<h3><a id="SEC3">TERMS AND CONDITIONS FOR COPYING,
DISTRIBUTION AND MODIFICATION</a></h3>
<p>
<strong>0.</strong>
This License Agreement applies to any software library or other
program which contains a notice placed by the copyright holder or
other authorized party saying it may be distributed under the terms of
this Lesser General Public License (also called "this License").
Each licensee is addressed as "you".
</p>
<p>
A "library" means a collection of software functions and/or data
prepared so as to be conveniently linked with application programs
(which use some of those functions and data) to form executables.
</p>
<p>
The "Library", below, refers to any such software library or work
which has been distributed under these terms. A "work based on the
Library" means either the Library or any derivative work under
copyright law: that is to say, a work containing the Library or a
portion of it, either verbatim or with modifications and/or translated
straightforwardly into another language. (Hereinafter, translation is
included without limitation in the term "modification".)
</p>
<p>
"Source code" for a work means the preferred form of the work for
making modifications to it. For a library, complete source code means
all the source code for all modules it contains, plus any associated
interface definition files, plus the scripts used to control compilation
and installation of the library.
</p>
<p>
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running a program using the Library is not restricted, and output from
such a program is covered only if its contents constitute a work based
on the Library (independent of the use of the Library in a tool for
writing it). Whether that is true depends on what the Library does
and what the program that uses the Library does.
</p>
<p>
<strong>1.</strong>
You may copy and distribute verbatim copies of the Library's
complete source code as you receive it, in any medium, provided that
you conspicuously and appropriately publish on each copy an
appropriate copyright notice and disclaimer of warranty; keep intact
all the notices that refer to this License and to the absence of any
warranty; and distribute a copy of this License along with the
Library.
</p>
<p>
You may charge a fee for the physical act of transferring a copy,
and you may at your option offer warranty protection in exchange for a
fee.
</p>
<p>
<strong>2.</strong>
You may modify your copy or copies of the Library or any portion
of it, thus forming a work based on the Library, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
</p>
<ul>
<li><strong>a)</strong>
The modified work must itself be a software library.</li>
<li><strong>b)</strong>
You must cause the files modified to carry prominent notices
stating that you changed the files and the date of any change.</li>
<li><strong>c)</strong>
You must cause the whole of the work to be licensed at no
charge to all third parties under the terms of this License.</li>
<li><strong>d)</strong>
If a facility in the modified Library refers to a function or a
table of data to be supplied by an application program that uses
the facility, other than as an argument passed when the facility
is invoked, then you must make a good faith effort to ensure that,
in the event an application does not supply such function or
table, the facility still operates, and performs whatever part of
its purpose remains meaningful.
<p>
(For example, a function in a library to compute square roots has
a purpose that is entirely well-defined independent of the
application. Therefore, Subsection 2d requires that any
application-supplied function or table used by this function must
be optional: if the application does not supply it, the square
root function must still compute square roots.)</p></li>
</ul>
<p>
These requirements apply to the modified work as a whole. If identifiable
sections of that work are not derived from the Library, and can be
reasonably considered independent and separate works in themselves, then
this License, and its terms, do not apply to those sections when you
distribute them as separate works. But when you distribute the same
sections as part of a whole which is a work based on the Library, the
distribution of the whole must be on the terms of this License, whose
permissions for other licensees extend to the entire whole, and thus to
each and every part regardless of who wrote it.
</p>
<p>
Thus, it is not the intent of this section to claim rights or contest your
rights to work written entirely by you; rather, the intent is to exercise
the right to control the distribution of derivative or collective works
based on the Library.
</p>
<p>
In addition, mere aggregation of another work not based on the Library with
the Library (or with a work based on the Library) on a volume of a storage
or distribution medium does not bring the other work under the scope of
this License.
</p>
<p>
<strong>3.</strong>
You may opt to apply the terms of the ordinary GNU General Public
License instead of this License to a given copy of the Library. To do
this, you must alter all the notices that refer to this License, so
that they refer to the ordinary GNU General Public License, version 2,
instead of to this License. (If a newer version than version 2 of the
ordinary GNU General Public License has appeared, then you can specify
that version instead if you wish.) Do not make any other change in
these notices.
</p>
<p>
Once this change is made in a given copy, it is irreversible for
that copy, so the ordinary GNU General Public License applies to all
subsequent copies and derivative works made from that copy.
</p>
<p>
This option is useful when you wish to copy part of the code of
the Library into a program that is not a library.
</p>
<p>
<strong>4.</strong>
You may copy and distribute the Library (or a portion or
derivative of it, under Section 2) in object code or executable form
under the terms of Sections 1 and 2 above provided that you accompany
it with the complete corresponding machine-readable source code, which
must be distributed under the terms of Sections 1 and 2 above on a
medium customarily used for software interchange.
</p>
<p>
If distribution of object code is made by offering access to copy
from a designated place, then offering equivalent access to copy the
source code from the same place satisfies the requirement to
distribute the source code, even though third parties are not
compelled to copy the source along with the object code.
</p>
<p>
<strong>5.</strong>
A program that contains no derivative of any portion of the
Library, but is designed to work with the Library by being compiled or
linked with it, is called a "work that uses the Library". Such a
work, in isolation, is not a derivative work of the Library, and
therefore falls outside the scope of this License.
</p>
<p>
However, linking a "work that uses the Library" with the Library
creates an executable that is a derivative of the Library (because it
contains portions of the Library), rather than a "work that uses the
library". The executable is therefore covered by this License.
Section 6 states terms for distribution of such executables.
</p>
<p>
When a "work that uses the Library" uses material from a header file
that is part of the Library, the object code for the work may be a
derivative work of the Library even though the source code is not.
Whether this is true is especially significant if the work can be
linked without the Library, or if the work is itself a library. The
threshold for this to be true is not precisely defined by law.
</p>
<p>
If such an object file uses only numerical parameters, data
structure layouts and accessors, and small macros and small inline
functions (ten lines or less in length), then the use of the object
file is unrestricted, regardless of whether it is legally a derivative
work. (Executables containing this object code plus portions of the
Library will still fall under Section 6.)
</p>
<p>
Otherwise, if the work is a derivative of the Library, you may
distribute the object code for the work under the terms of Section 6.
Any executables containing that work also fall under Section 6,
whether or not they are linked directly with the Library itself.
</p>
<p>
<strong>6.</strong>
As an exception to the Sections above, you may also combine or
link a "work that uses the Library" with the Library to produce a
work containing portions of the Library, and distribute that work
under terms of your choice, provided that the terms permit
modification of the work for the customer's own use and reverse
engineering for debugging such modifications.