NOTICE

NOTICE
======

This product is a derivative work of ONLYOFFICE.

The site (https://edit.chaxus.com/, https://github.com/ranuts/document) is
licensed under the GNU Affero General Public License version 3 -- see LICENSE.
It embeds the ONLYOFFICE document editors, which are distributed under the same
license with the additional terms permitted by Section 7 of the GNU AGPL. The
received upstream notice is reproduced verbatim below for provenance. Valid
additional terms remain applicable; the logo-retention term is addressed
separately below rather than adopted as a downstream requirement.


1. ONLYOFFICE editors (sdkjs, web-apps)
---------------------------------------

Copyright (C) Ascensio System SIA. All rights reserved.
https://www.onlyoffice.com/

Upstream sources:
  https://github.com/ONLYOFFICE/sdkjs
  https://github.com/ONLYOFFICE/web-apps

Version shipped in this repository: 9.3.0.133 (build:1), under public/sdkjs/
and public/web-apps/. It is a third-party compiled offline build of those two
projects; the corresponding source is the 9.3.0 release of the repositories
above.

The notice carried by the upstream source files, reproduced in full:

    (c) Copyright Ascensio System SIA 2010-2024

    This program is a free software product. You can redistribute it and/or
    modify it under the terms of the GNU Affero General Public License (AGPL)
    version 3 as published by the Free Software Foundation. In accordance with
    Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
    that Ascensio System SIA expressly excludes the warranty of non-infringement
    of any third-party rights.

    This program is distributed WITHOUT ANY WARRANTY; without even the implied
    warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
    details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html

    You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
    street, Riga, Latvia, EU, LV-1050.

    The  interactive user interfaces in modified source and object code versions
    of the Program must display Appropriate Legal Notices, as required under
    Section 5 of the GNU AGPL version 3.

    Pursuant to Section 7(b) of the License you must retain the original Product
    logo when distributing the program. Pursuant to Section 7(e) we decline to
    grant you any rights under trademark law for use of our trademarks.

    All the Product's GUI elements, including illustrations and icon sets, as
    well as technical writing content are licensed under the terms of the
    Creative Commons Attribution-ShareAlike 4.0 International. See the License
    terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode


Neutral presentation and retained legal notices (2026-09-26)
-----------------------------------------------------------

The interface uses descriptive functional names without project or upstream
product logos, promotional branding, or ecosystem advertising. The editor's
About pane stays reachable, retains the upstream version and publisher, and
adds copyright attribution, a modified-version notice, the warranty disclaimer,
license and source links. Site footers retain the trademark attribution and
non-affiliation notice. Source copyright headers are not removed.

The upstream notice reproduced above requires retention of the original product
logo. In its statement of 15 April 2026, the Free Software Foundation identified
that requirement as an AGPLv3-incompatible further restriction removable under
Section 7:
  https://www.fsf.org/blogs/licensing/agpl-is-not-a-tool-for-taking-freedom-away

This project relies on that interpretation in omitting product-logo displays.
The quoted upstream notice is kept as a record of the terms received, not an
assertion that logo retention is a valid obligation for downstream recipients.
ONLYOFFICE has asserted a different interpretation; its position is available at:
  https://www.onlyoffice.com/license-faq

The FSF statement is a license interpretation, not a court judgment. This
branding decision does not claim that the dispute is judicially resolved or
that removing logos alone satisfies all copyright, source-distribution or
trademark obligations. Other valid additional terms and third-party licenses
remain unaffected, including the GUI material's CC BY-SA 4.0 license.

lib/onlyoffice/guards/chrome.ts hides the header and About product marks,
independently of the legal text. Vendor entry HTML has matching styles to avoid
showing those marks during startup, neutral titles and no branded favicon.
lib/onlyoffice-editor.ts keeps About enabled, and
lib/onlyoffice/guards/about-source.ts provides the legal and source links.
test/unit/branding-notice.test.ts and test/e2e/vendor-branding.spec.ts verify
neutral presentation alongside accessible legal attribution.

Section 7(e) -- trademarks. ONLYOFFICE and the ONLYOFFICE logo are trademarks
of Ascensio System SIA. No rights under trademark law are granted by the
license, and none are claimed here. This project is not an official ONLYOFFICE
product and is not affiliated with, sponsored by or endorsed by Ascensio System
SIA. The name is used only to identify the engine this site is built on.

Section 5(a) -- modifications. The vendor tree under public/ is not pristine.
The changes made to it are:

  * public/sdkjs/common/wasm/x2t/x2t_helper.js -- patched to load the x2t
    WebAssembly module through `Module.instantiateWasm` straight off the
    response, so the 42 MB binary is never materialised in memory, and to
    report load failures to the host page. Also made to run in a worker as
    well as in the editor frame (it branches on `typeof document` in three
    places), so conversion happens in a realm whose memory can be handed
    back. See docs/changelogs/2026-08-20-issue-144-memory-and-delivery.md and
    docs/explorations/2026-09-12-x2t-in-a-worker.md. Modified 2026-09-26 to
    send exported file bytes only to the immediate parent; outer ancestors
    no longer receive an unsolicited copy.
  * public/sdkjs/common/wasm/x2t/x2t.worker.js -- added by this project. It
    loads the file above and drives it; no vendor code is reimplemented in it.
  * public/sdkjs/common/wasm/x2t/x2t.wasm -- published brotli-compressed only
    (x2t.wasm.br), because the uncompressed file exceeds the host's per-file
    limit; every host declares `Content-Encoding: br` for it, so the browser
    decodes it. The decompressed bytes are unmodified and pinned by sha256 in
    test/unit/vendor-contract.test.ts.
  * public/sdkjs/common/Images/fonts_thumbnail*.png and *.png.bin -- the font
    picker's name sprites, extended from 193 tiles to 202 so every family in
    the catalog has one. The vendor's own tiles are untouched; the nine added
    are rendered by bin/font-thumbnails.mjs. Without them the editor threw on
    scrolling the font list to the end (GitHub #218).
  * public/web-apps/apps/*/main/locale/*.json -- missing keys filled in from
    en.json by bin/locale-fill.mjs for the seven site languages. Untranslated
    keys returned `undefined` and crashed the tooltip renderer. Values only;
    no key is removed.
  * public/web-apps help content trimmed from the shipped tree.
  * public/web-apps/apps/{common,*/main}/index*.html -- entry shells with
    branded titles now use neutral titles and an empty favicon. An inline
    stylesheet suppresses header and About product marks before the
    iframe paints. Copyright, publisher and version information remain.
    Changed 2026-09-26.
  * public/fonts/ -- the font catalog's proprietary font files were replaced
    with redistributable open-source families (see docs/font-licenses.md and
    docs/changelogs/2026-08-22-font-licensing.md).
  * public/sdkjs/common/AllFonts.js -- the catalog registry that goes with
    those files. Rows for the replaced families now point at the open-source
    face standing in for each, so a document asking for a proprietary name
    still resolves, and nine families were added for scripts the remaining set
    did not cover.

Other than the changes listed above, public/sdkjs/ and public/web-apps/
are not edited. The behavioural
patches this site needs are applied at runtime from lib/onlyoffice/guards/,
which leaves the rest of the vendor files byte-identical to the build they
came from.


2. x2t WebAssembly converter
----------------------------

The document converter (x2t) is part of ONLYOFFICE core (AGPL-3.0, Ascensio
System SIA) compiled to WebAssembly. The build used here comes from the
third-party project https://github.com/cryptpad/onlyoffice-x2t-wasm.


3. Other components
-------------------

  * ranui / ranuts (https://github.com/chaxus/ran) -- the design system and
    utilities this site's own interface is built with.
  * Fonts under public/fonts/ and public/ran-fonts/ -- see docs/font-licenses.md
    for the license of each family.
  * Monaco Editor, under public/web-apps/vendor/monaco/ -- shipped by the
    vendor build; see the LICENSE and ThirdPartyNotices.txt files in that
    directory.

Other trademarks named in this repository and on the site (Microsoft Word,
Excel, PowerPoint, and others) are the property of their respective owners and
are used only to describe the file formats this editor reads and writes.

The application icon is an independently drawn, neutral document illustration.
It contains no upstream product logo, trademark or project initials.

4. Optional local AI runtime
----------------------------

wllama 3.6.1 (https://github.com/ngxson/wllama), Copyright (c) 2024
Xuan Son NGUYEN, is distributed under the MIT license. Its WASM runtime
includes llama.cpp. License copies are shipped in public/licenses/.
Model weights are not bundled; their licenses are independent of the runtime.
The matching optional @wllama/wllama-compat 3.6.1 package is also MIT licensed.
The local pnpm patch modifies wllama's memory64 capability detection and
propagates fatal worker errors and explicit termination to pending and
subsequent tasks; see
patches/@wllama__wllama@3.6.1.patch.