mandoc: noarg.in:12:2: WARNING: skipping empty macro: Er
mandoc: noarg.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
mandoc: noarg.in:1:5: BASE: Mdocdate missing: Dd June (OpenBSD)
mandoc: noarg.in:10:8: STYLE: no blank before trailing delimiter: Er EIO.
mandoc: noarg.in: BASE: RCS id missing: (OpenBSD)