mandoc: arg.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
mandoc: arg.in:1:5: BASE: Mdocdate missing: Dd January (OpenBSD)
mandoc: arg.in:9:2: STYLE: useless macro: Ud
mandoc: arg.in:11:2: STYLE: useless macro: Bt
mandoc: arg.in:15:2: STYLE: useless macro: Ud
mandoc: arg.in:15:2: ERROR: skipping all arguments: Ud bar
mandoc: arg.in:16:2: STYLE: useless macro: Bt
mandoc: arg.in:16:2: ERROR: skipping all arguments: Bt foo
mandoc: arg.in:17:2: STYLE: useless macro: Ud
mandoc: arg.in:17:2: ERROR: skipping all arguments: Ud one
mandoc: arg.in:18:2: STYLE: useless macro: Bt
mandoc: arg.in:18:2: ERROR: skipping all arguments: Bt one
mandoc: arg.in: BASE: RCS id missing: (OpenBSD)