In the first puzzle, the first line is in Hungarian, but the Hungarian letters i18n usually struggles most with are not even there: üö űő, before utf-8 got widespread adoption these characters regulary got messed up when they were passed along multiple systems.
I still see basic accented characters like éá messed up sometimes, which is especially a shame in 2025.
I still see basic accented characters like éá messed up sometimes, which is especially a shame in 2025.