* Doc equips usage (inventory, current and player-specific constants)
* Improve some comments
* `currentSword`(`Item`) -> `currentSwordItemId`
* Comments on the right in `D_801261F8`
* Improve `sDebugSaveInventory.equipment` formatting with extra parentheses
* Use constants for `sNewSaveInventory.equipment`
* Run formatter
* Make comments in z64save.h header a single line even if very long
* `CHECK_OWNED_EQUIP_ALT`
* One more use of `CHECK_OWNED_EQUIP`
* `OWNED_EQUIP_FLAG`
* `OWNED_EQUIP_FLAG_ALT`
* Improve (?) giving sword by item id
* "half-byte" -> "nibble"
* Improve equips for setting kokiri sword
* Improve (?) checking boots by item id
* Improve (?) checking equips by item id
* Fixup one spot assuming `EQUIP_TYPE_SWORD == 0`
* Comments on the right in `sBootDListGroups`