Release 2022g - 2022-11-29 08:58:31 -0800

  Briefly:
    The northern edge of Chihuahua changes to US timekeeping.
    Much of Greenland stops changing clocks after March 2023.
    Fix some pre-1996 timestamps in northern Canada.
    C89 is now deprecated; please use C99 or later.
    Portability fixes for AIX, libintl, MS-Windows, musl, z/OS
    In C code, use more C23 features if available.
    C23 timegm now supported by default
    Fixes for unlikely integer overflows