15 | These definitions were written by [Qubo](https://github.com/tkqubo), [Curits Layne](https://github.com/clayne11), [Frank Tan](https://github.com/tansongyang), [Nicholas Boll](https://github.com/nicholasboll), [Dibyo Majumdar](https://github.com/mdibyo), [Valentin Descamps](https://github.com/val1984), [Johann Rakotoharisoa](https://github.com/jrakotoharisoa), [Anatoli Papirovski](https://github.com/apapirovski), [Boris Sergeyev](https://github.com/surgeboris), [Søren Bruus Frank](https://github.com/soerenbf), [Jonathan Ziller](https://github.com/mrwolfz), [Dylan Vann](https://github.com/dylanvann), [Yuki Ito](https://github.com/Lazyuki), [Kazuma Ebina](https://github.com/kazuma1989), [Michael Lebedev](https://github.com/megazazik), [Lenz Weber](https://github.com/phryneas), and [Mark Erikson](https://github.com/markerikson).
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