E.g. in project description of https://www.geni.com/projects/Locality-Lemi-Finland/43738 the list of locality projects contains som odd links instead of the names with scandinavian letters;
Northern Karelia: Eno Ilomantsi Joensuu Juuka Kiihtelysvaara Kitee Kontiolahti Kuusjärvi Liperi Nurmes Pielisjärvi Polvijärvi Rääkkylä Tohmajärvi
where I can see that "ä" converts to "ä"
