[Tagging] ISO3166-1 key documentation [was:Tagging for emojis names]

[marc marc]

Le 07.01.20 à 13:40, Jeroen Hoek a écrit :
> using the exsiting ISO3166-1:alpha2

all those ISO3166-1* key doesn't have a wiki page.
if the key is fine (I find it ugly as a top level key),
it could be a good idea to write a small sheet about them.