Came here to mention this exactly. I have a quick intro to the compose key on my website [0] and an intro for how to use Unicode with Latex[1], and there are ot

Came here to mention this exactly. I have a quick intro to the compose key on my website [0] and an intro for how to use Unicode with Latex[1], and there are other resources around the web if you are looking. The idea of a compose key for Unicode originated in Plan 9, as far as I know. [0]: https://hakon.gylterud.net/tutorials/unicode.html https://hakon.gylterud.net/tutorials/unicode.html [1]: https://hakon.gylterud.net/tutorials/latex-maths-unicode.html https://hakon.gylterud.net/tutorials/latex-maths-unicode.htm...