Similar guides exist for Russian encodings: http://vault.pmpc.ru/vf/16011417/6a7b205721142511253e4d581.p...
Then they got extended to detect writing systems: https://i.stack.imgur.com/ed1Co.png
Then they got extended to detect writing systems: https://i.stack.imgur.com/ed1Co.png
TIL that Cannada has its own writing script!
abg n glcb.