In polish we have ź and ż. For ż we use Alt gr + z, and for ź we use Alt gr + x. Same for other non-standard letters. The rest of the keyboard is a regular US layout.
So in Swedish you could use Alt gr + a and Alt gr + s for different variants of a.
What?
It’s simple and readable. You literally put somebody that has never coded in their life, show them the YAML file and they will probably get it. Worked both with my boss and my girlfriend.
In Toml there are too many ways to do the same thing, which I don’t like. Also unless you know it deeply, you have no idea how the underlying data structure is going to look.