===================================================================
RCS file: /cvs/mandoc/regress/mdoc/Dt/dupe.out_lint,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -p -r1.5 -r1.6
--- mandoc/regress/mdoc/Dt/dupe.out_lint	2017/07/04 15:25:36	1.5
+++ mandoc/regress/mdoc/Dt/dupe.out_lint	2017/07/06 22:59:57	1.6
@@ -1,2 +1,2 @@
-mandoc: dupe.in:5:2: WARNING: duplicate prologue macro: Dt
-mandoc: dupe.in:11:2: WARNING: skipping late title macro: Dt
+mandoc: dupe.in:5:2: ERROR: duplicate prologue macro: Dt
+mandoc: dupe.in:11:2: ERROR: skipping late title macro: Dt