* `KC_PGDOWN` -> `KC_PGDN` * `KC_PSCREEN` -> `KC_PSCR` * `KC_SCOLON` -> `KC_SCLN` * `KC_BSLASH` -> `KC_BSLS` * `KC_BSPACE` -> `KC_BSPC`
* Remove legacy USE_SERIAL define * tidy up missed comments
* Add UNK keyboard. * Update keyboards/handwired/unk/info.json * Use KC_NO to block out nonexistent matrix positions. * Update keyboards/handwired/unk/readme.md * Update keyboards/handwired/unk/keymaps/default/keymap.c