I suspect the diaresis was intentional, in “New Yorker” style. https://www.arrantpedantry.com/2020/03/24/umlauts-diaereses-and-the-new-yorker/ https://www.arra

I suspect the diaresis was intentional, in “New Yorker” style. https://www.arrantpedantry.com/2020/03/24/umlauts-diaereses-and-the-new-yorker/ https://www.arrantpedantry.com/2020/03/24/umlauts-diaereses-...