mandoc: dupe.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
mandoc: dupe.in:1:5: BASE: Mdocdate missing: Dd August (OpenBSD)
mandoc: dupe.in:4:2: WARNING: duplicate prologue macro: Dd
mandoc: dupe.in:10:2: WARNING: duplicate prologue macro: Dd
mandoc: dupe.in: BASE: RCS id missing: (OpenBSD)