Commit 2f7479a16a3395f1429c7795f10c5d19b9b4453e

Pádraig Brady 2022-12-02T14:45:23

doc: poll: document poll of special files not supported on macOS * doc/posix-functions/poll.texi: Reinstate (updated) macOS info, removed in recent cleanup re removal of support for Mac OS X <= 10.4. * m4/poll.m4: Update macOS to latest tested version.