the bot doesn't accept the correct spelling of names with special characters

[huetobi]

An example of this is Schwur des Kärnan for which the bot only accepts the wrong spelling: "Schwur des Karnan" and not the correct spelling: "Schwur des Kärnan" or the correctly anglicised spelling: "Schwur des Kaernan" (the anglicised version of the German ä is ae and not a)