That you can hold down certain keys, like i and o, to access a list of similar characters that aren't found on the keyboard.
My 1 year old taught me that one.
My 1 year old taught me that one.
I also have repeat set to fastest and delay until repeat the shortest.
defaults write -g NSRepeatCountBinding -string "^u"
> This default controls the numeric argument binding. The default is for numeric arguments not to be supported. If you provide a binding for this default you enable the feature. This allows you to repeat a keyboard command a given number of times. For instance “Control-U 10 Control-F” means move forward ten characters.— https://developer.apple.com/library/archive/documentation/Co...