initial import of xorgproto-2024.1

merge xorgproto 2023.02

initial import of xorgproto-2023.2

initial import of xorgproto-2022.2

initial import of xorgproto-2022.1

initial import of xorgproto-2021.5

initial import of xorgproto-2021.4

Use __noreturn__ instead of noreturn because <stdnoreturn.h> #defines
noreturn _Noreturn and this gives clang a heartache.

initial import of xorgproto-2021.3

merge xorgproto 2020.1.

initial import of xorgproto-2020.1

initial import of xorgproto-2019.2

merge xorgproto 2019.1 and encodings 1.0.5

initial import of xorgproto-2019.1

Avoid dup inconsistent definitions.

merge our local fixes for Xpoll.h.in -- moves FD_SETSIZE.

initial import of xorgproto-2018.4