I'm not a Mac user, but SusiOmi is:
Since I am a Mac user, I just wanted to let you know how to type Umlaute on a Mac:
ä = alt ua
ö = alt uo
ü = alt uu
ß = alt s
hold down the alt key for the first u and type the second letter without holding down the alt key.
Thank you SusiOmi :danke: