Well I know it sounds strange to type "Umlauts" with the US-International.
And believe me, while maybe not as common as in Finish, Umlauts are also used a lot in German and they are at nearly as common in Swiss-German than in Finish!
And yes I use the US-International Keyboard for Swiss-German, German and English. Why? Because it is way more comfortable to use vim as it was intended. It may sound strange, and at the beginning it is strange, but after a while it is quite easy to type that.
I mean every capital letter you type also requires yo to press two buttons together, it is not diffe