How to set keyboard to get diacritical letters?
I used to be able to hold down a key such as "n", "a" and "o" to get the appropriate diacritical mark (e.g. umlaut) when typing, but now that capability has disappeared and I get a repetitive letter when I do this. Can someone help me to set this capability on my keyboard (MacBook Air and iMac)? Thanks.
MacBook Air (M2, 2022)