If you use Vial (https://get.vial.today) to configure your keyboard on macOS and you need to map a key to backtick/tilde, the backtick/tidle key won’t work (you’ll get the section/plus-minus key). Instead, map it to the following code:
KC_NONUS_BSLASH
(At least that’s what worked for me on the British English Mac layout.)
#Mac #keyboard #layout #programming #backtick #tilde #via #vial