Fortunately seems harmless.
@ -64,7 +64,7 @@ action_t action_for_key(uint8_t layer, keypos_t key)
action.code = ACTION_MACRO(keycode & 0xFF);
return action;
#ifdef BACKLIGHT_ENABLE
} else if (keycode >= BL_0 & keycode <= BL_15) {
} else if (keycode >= BL_0 && keycode <= BL_15) {
action_t action;
action.code = ACTION_BACKLIGHT_LEVEL(keycode & 0x000F);