A Field Guide to Japanese Mojibake

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

The technical notes are particulary interesting, as we don't usually explore what it takes to force a specific encoding for a bloc.