"brian m. carlson" [off-list ref] writes:
If this works on Windows, it will also work on Unix, because POSIX has
required C99 support since the 2001 revision, and __VA_ARGS__ is C99.
Unix systems are not the thing preventing us from enabling C99 support
(or any subset of it) in any meaningful sense.
Yeah, among the list (semi-)regulars, the only ones that may likely
to be broken is the NonStop folks. Hopefully they are aware of this
discussion?
https://lore.kernel.org/git/xmqqeeffe669.fsf@gitster.g/ (local)