mandoc: nested.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
mandoc: nested.in:1:5: BASE: Mdocdate missing: Dd November (OpenBSD)
mandoc: nested.in:13:2: WARNING: nested displays are not portable: Bd in Bd
mandoc: nested.in:24:2: WARNING: nested displays are not portable: Bd in Bd
mandoc: nested.in: BASE: RCS id missing: (OpenBSD)