===================================================================
RCS file: /cvs/mandoc/regress/mdoc/Dt/fourargs.out_lint,v
retrieving revision 1.2
retrieving revision 1.4
diff -u -p -r1.2 -r1.4
--- mandoc/regress/mdoc/Dt/fourargs.out_lint	2017/06/11 19:37:25	1.2
+++ mandoc/regress/mdoc/Dt/fourargs.out_lint	2017/06/25 12:52:24	1.4
@@ -1,2 +1,4 @@
 mandoc: fourargs.in:2:25: ERROR: skipping excess arguments: Dt ... bogus
-mandoc: fourargs.in:1:5: STYLE: Mdocdate missing: Dd February
+mandoc: fourargs.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
+mandoc: fourargs.in:1:5: BASE: Mdocdate missing: Dd February (OpenBSD)
+mandoc: fourargs.in: BASE: RCS id missing: (OpenBSD)