* Doc units of trig functions
* "Very simple" yet I made a mistake
* sins returns in [-0x7FFF,0x7FFF] as the [-1,1] range
* Also `sys_math_atan.c`
* Remove `@param`s without descriptions
* Add note on Math_Atan2S/F arguments being unlike atan2
* "from (1,0) to (x,y)" -> "from vector ..."
* arg names -> `angle`
* Improve `@return` comment on atans
* Cleanup `UNK_TYPE`, `UNK_PTR` usage
* Add some missing empty lines after declarations
* Remove some legacy comments from non-matching times
* Fix some grammar (mostly "it's"/"its")
* Use proper names for two symbols after ZAPD bugfix
* Cleanup `place_title_cards.xml`
* Use `NULL` to check against `D_8012D260` pointer
* Parentheses around some macro arguments
* wip proofread headers up to z64animation.h
* cleanup libultra
* fixes
- use quotes instead of <> for includes
- add macros for zelda specific thread priorities
- fix Makefile
- properly format the remaining pfs structs
* fix button macros + add CHECK_BTN_ANY/CHECK_BTN_ALL
* remove ULTRA_ABS
* fix includes
* update z_player.c/z_lib.c + run format.sh
* merge upstream/master
* fix include in En_Goroiwa
* fix includes
