Plan 9 from Bell Labs’s /usr/web/sources/patch/applied/auth-warning/readme
change two "r"s to " %r"s; add some missing ": %r"s. visible in /sys/log/auth when keyfs starts up: cpu Aug 1 01:13:26 keyfs starting warnings: 42edd9a6 42ec881f warning: can't open upas/expire:r
