45 lines
3.8 KiB
Markdown
45 lines
3.8 KiB
Markdown
# Symbol licences
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The symbol sprites in this directory are adapted from the sets below: each source SVG was
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optimised with svgo (styles inlined, precision reduced), stripped of anything but drawing
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markup, and combined into one sprite per set. In Mulberry and OpenMoji, people's skin (and
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in OpenMoji the skin's shadow, as its own skin-tone variants change it) is recoloured:
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drawn in Unicode's neutral emoji yellow unless the person using the board chooses a skin
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tone (`tools/symbols/people-review.md` lists every symbol). The adapted
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sprites are distributed under the same licence as their source, CC BY-SA 4.0
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(https://creativecommons.org/licenses/by-sa/4.0/).
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They are rebuilt by `tools/symbols/build.py` in the aac-rs workspace, which also writes
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three more adaptations of the same sets under the same licence and attribution: the contact
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sheets `tools/symbols/review/*.png` (rasterised, each titled with its set's attribution),
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`tools/symbols/mapping-review.md` (which quotes the sets' symbol names and BCI-AV glosses)
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and `tools/symbols/people-review.md` (which quotes symbol names and emoji annotations).
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Mulberry's condition means the symbols can never sit behind a paid tier or a paid hosted
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library: a product that includes them may charge only for its own added value.
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## Mulberry Symbols
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- Sprite: `mulberry.7edfd2cdc5ae.svg`
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- Source: https://github.com/mulberrysymbols/mulberry-symbols/tree/9cbab9f400c5de44e2bc58839cca07294aadb086 (version 3.6.1 (commit 9cbab9f400c5de44e2bc58839cca07294aadb086))
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- Licence: CC-BY-SA-4.0 — https://creativecommons.org/licenses/by-sa/4.0/
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- Attribution: Mulberry Symbols (https://mulberrysymbols.org) © 2018-2026 Steve Lee, licensed under CC BY-SA 4.0. Symbols designed by Claire Barge; set originated by Garry Paxton.
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- Conditions: While you may charge for your product or added value, you must not charge for the symbols themselves. They are to remain free of cost and freely available to all. Derived symbols must be shared under CC BY-SA 4.0.
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- Licence verified 2026-09-29 at: https://github.com/mulberrysymbols/mulberry-symbols/blob/9cbab9f400c5de44e2bc58839cca07294aadb086/LICENSE.txt; https://mulberrysymbols.org (Licence and Attribution sections)
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## OpenMoji
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- Sprite: `openmoji.eb70bd71ef52.svg`
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- Source: https://github.com/hfg-gmuend/openmoji/releases/tag/17.0.0 (version 17.0.0)
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- Licence: CC-BY-SA-4.0 — https://creativecommons.org/licenses/by-sa/4.0/
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- Attribution: All emojis designed by OpenMoji – the open-source emoji and icon project (https://openmoji.org). License: CC BY-SA 4.0.
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- Conditions: Give appropriate credit and indicate changes (these symbols are optimised and recombined into a sprite); share adaptations under CC BY-SA 4.0; do not suggest the OpenMoji project endorses this app.
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- Licence verified 2026-09-29 at: https://github.com/hfg-gmuend/openmoji/blob/17.0.0/LICENSE.txt; https://openmoji.org/faq/ (Licensing and attribution)
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## Blissymbolics (BCI-AV)
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- Sprite: `bliss.e5601bc69bf5.svg`
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- Source: https://www.blissymbolics.org/index.php/bci-av-2026 (version BCI-AV 2026-07-25)
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- Licence: CC-BY-SA-4.0 — https://creativecommons.org/licenses/by-sa/4.0/
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- Attribution: The Blissymbolics Communication International Authorized Vocabulary (BCI-AV) is available at www.blissymbolics.org. The BCI-AV and other BCI Blissymbol products are copyright Blissymbolics Communication International (BCI) and made available under the Creative Commons BY-SA 4.0 licence.
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- Conditions: Redistribute under CC BY-SA 4.0, citing the author and owner (BCI), the origin (Blissymbolics) and the licence. Bliss-words that are not in the Authorized Vocabulary must not be published without marking them as personally created.
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- Licence verified 2026-09-29 at: https://www.blissymbolics.org/index.php/licensing; https://www.blissymbolics.org/index.php/bci-av-2026
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