wehub-resource-sync
91 lines
5.2 KiB
Markdown
91 lines
5.2 KiB
Markdown
# Bundled font licenses & attribution
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`@openmaic/renderer` does **not** embed any font binaries. `fonts.css` only declares
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`@font-face` rules whose `src` points at self-hosted woff2 files on object
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storage (`https://file.maic.chat/fonts/<name>.woff2`). Serving those faces is a
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form of redistribution, so each face below must be cleared for redistribution
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and attributed here. This file is the font attribution/clearance record; it is
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**separate** from the package's own `LICENSE` (MIT), which does not cover
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the fonts.
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> The importer does not remap fonts: it passes each slide's original
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> `font-family` names through unchanged. A name only renders in one of the faces
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> below if it matches; otherwise the browser falls back. This list mirrors
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> `fonts.config.mjs`.
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## Whitelist (6 families)
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| Family (`font-family`) | 中文名 | License | Redistribution | Copyright / source |
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| ---------------------- | ------ | ------- | :------------: | ------------------ |
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| `SourceHanSans` | 思源黑体 | SIL OFL 1.1 | ✅ | © 2014–2021 Adobe, Reserved Font Name "Source Han Sans" — https://github.com/adobe-fonts/source-han-sans |
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| `SourceHanSerif` | 思源宋体 | SIL OFL 1.1 | ✅ | © 2017–2021 Adobe, Reserved Font Name "Source Han Serif" — https://github.com/adobe-fonts/source-han-serif |
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| `LXGWWenKai` | 霞鹜文楷 | SIL OFL 1.1 | ✅ | © 2021 The LXGW WenKai Project Authors — https://github.com/lxgw/LxgwWenKai |
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| `ZhuQueFangSong` | 朱雀仿宋 | SIL OFL 1.1 | ✅ | © 2023 Zhejiang JadeFoci Technology Co. LTD — https://www.jadefoci.com/ |
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| `ZcoolHappy` | 站酷快乐体 | 站酷 (ZCOOL) free-use license (永久免费授权所有人使用，可免费商用) | ✅ (conditions) | © ZCOOL (站酷), designers retain attribution — [license](./font-licenses/ZcoolHappy-LICENSE.txt) |
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| `WenDingPLKaiTi` | 文鼎PL简中楷 (AR PL KaitiM GB) | Arphic Public License (1999) | ✅ | © 1994–1999 Arphic Technology Co., Ltd. — [license](./font-licenses/ARPHIC-PL.txt) |
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✅ = free to redistribute (bundle/embed/serve) as long as its conditions are met
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(notice/license travels with it; not sold on its own). The four OFL faces are
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OFL 1.1; `ZcoolHappy` is permanently free for everyone to use with the
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conditions noted below.
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### `ZcoolHappy` — note
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Permanently free for everyone to use, including commercial use, per ZCOOL's
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statement ([`font-licenses/ZcoolHappy-LICENSE.txt`](./font-licenses/ZcoolHappy-LICENSE.txt)).
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Conditions: keep the original font name unchanged, do not resell the font as a
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standalone commodity, and retain the designers' attribution. Serving it from our
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CDN as part of this free package meets those conditions.
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## SIL Open Font License 1.1 (the 4 OFL faces above)
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OFL §2 requires the copyright notice + this license to accompany every
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redistributed copy. The full OFL 1.1 text and the four per-face copyright lines
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are bundled at [`font-licenses/OFL.txt`](./font-licenses/OFL.txt).
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## `WenDingPLKaiTi` (AR PL KaitiM GB) — Arphic Public License 1999
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The `WenDingPLKaiTi` family served here **is a WOFF2 conversion / distribution
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of `AR PL KaitiM GB` (文鼎 PL 简中楷)** licensed under the Arphic Public License.
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`AR PL KaitiM GB` is one of the four fonts Arphic Technology released in 1999
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under that license — an FSF-recognized copyleft free-software license that
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**explicitly permits commercial use and verbatim redistribution** ("You may copy
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and distribute verbatim copies of this Font in any medium, without restriction,
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provided that you retain this license file (ARPHICPL.TXT) unaltered in all
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copies"). Arphic reconfirmed in 2022 that these four 1999 faces remain free for
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commercial use (distinct from the 2010 non-commercial license).
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**Identity verified from the woff2's embedded `name` table** (so the
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`WenDingPLKaiTi` ⇄ `AR PL KaitiM GB` correspondence is provable, not asserted):
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```
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nameID 1/4 Family/Full : AR PL KaitiM GB
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nameID 0 Copyright : (c) Copyright 1994-1999, Arphic Technology Co., Ltd.
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nameID 7 Trademark : Arphic is a registered trademark of Arphic Technology Co., Ltd.
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nameID 8/9 Manufacturer/Designer : Arphic Technology Co., Ltd.
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nameID 11 Vendor URL : http://www.arphic.com.tw
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nameID 13 License : ARPHIC PUBLIC LICENSE (full text embedded)
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```
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(Reproduce with `fc-scan` or `python -m fontTools.ttx -t name <file>`.)
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**Modification notice (Arphic PL §2.a):** the only changes from the original
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`AR PL KaitiM GB` are (1) format conversion from TrueType to WOFF2 and (2) the
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exposed `font-family` name `WenDingPLKaiTi`. No glyphs were modified. The
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verbatim license is bundled at
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[`font-licenses/ARPHIC-PL.txt`](./font-licenses/ARPHIC-PL.txt) and must be kept
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unaltered alongside the served font.
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## Removed faces
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Faces previously bundled but **dropped** from the whitelist because their
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redistribution terms are not clearly permissive:
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- The FangZheng family (Hei / Kai / ShuSong / FangSong), MiSans, DeYiHei and
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several display faces — commercially licensed.
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- `AlibabaPuHuiTi` (阿里巴巴普惠体) — free for commercial **use**, but its license
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grants no explicit redistribution/re-host right (unlike OFL), so it was dropped
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to keep redistribution unambiguous.
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If any are reinstated, add a cleared license entry above first.
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