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+# Build You Own Twemojis
+
+This package allows you to create your own twemojis (the simple round, yellow ones).
+The package provides the command `\byoTwemoji` which creates a Ti*k*Z picture based on the elements (eyes, mouth, ...) given to the command.
+
+This package is based on [twemoji 13.0.1](https://github.com/twitter/twemoji/releases/tag/v13.0.1).
+
+# Licenses
+
+## Emojis
+
+The emojis and all derived graphics belong to Twitter, Inc and other contributors (Copyright 2019).
+They are licensed under CC-BY 4.0: https://creativecommons.org/licenses/by/4.0/.
+
+Hence, attribution of the original work is needed.
+
+### Attribution
+
+**I'm no lawyer, so take this section with a grain of salt.**
+
+As the emojis themselves are licensed under CC-BY they require attribution but are open to be distributed and modified anyway you like (which makes these packages possible).
+I'm not sure whether the attribution in the package's source code and in this repository is enough for a file (e.g. PDF) generated with this package to be covered as well (doubt it, really).
+
+So, I see two different possibilities to attribute the emojis in a compiled document:
+
+1. Add attribution to the metadata of the document.
+ For example with <https://www.ctan.org/pkg/hyperxmp> in PDF files.
+2. Add attribution in the document directly (e.g. on the last page of a presentation).
+ For example:
+ ```
+ Emoji graphics licensed under CC-BY 4.0: https://creativecommons.org/licenses/by/4.0/
+ Copyright 2019 Twitter, Inc and other contributors
+ ```
+ I consider this option to be the safest.
+
+## LaTeX Package
+
+The LaTeX packages are licensed under the LPPL 1.3 or later License.
+
+> Copyright (c) 2021 Jost Rossel
+> This file may be distributed and/or modified under the
+> conditions of the LaTeX Project Public License, either
+> version 1.3 of this license or (at your option) any later
+> version. The latest version of this license is in:
+>
+> http://www.latex-project.org/lppl.txt
+>
+> and version 1.3 or later is part of all distributions of
+> LaTeX version 2005/12/01 or later.