mandoc: broken.in:13:2: WARNING: blocks badly nested: Bo breaks Bl
mandoc: broken.in:23:2: WARNING: blocks badly nested: Bo breaks Bd
mandoc: broken.in:25:2: ERROR: inserting missing end of block: It breaks Bd
mandoc: broken.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
mandoc: broken.in:1:5: BASE: Mdocdate missing: Dd February (OpenBSD)
mandoc: broken.in: BASE: RCS id missing: (OpenBSD)