As noted by the author, it’s inspired by this: http://apple.stackexchange.com/questions/20505/how-to-add-characters-to-the-press-and-hold-character-picker-in-o

As noted by the author, it’s inspired by this: http://apple.stackexchange.com/questions/20505/how-to-add-characters-to-the-press-and-hold-character-picker-in-os-x-lion http://apple.stackexchange.com/questions/20505/how-to-add-ch...