regress/mdoc/Bl/tag.out_lint

   1 mandoc: tag.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
   2 mandoc: tag.in:1:5: BASE: Mdocdate missing: Dd September (OpenBSD)
   3 mandoc: tag.in:131:2: WARNING: missing -width in -tag list, using 6n: Bl -tag
   4 mandoc: tag.in: BASE: RCS id missing: (OpenBSD)