===================================================================
RCS file: /cvs/mandoc/regress/mdoc/Nd/broken.in,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -p -r1.1 -r1.2
--- mandoc/regress/mdoc/Nd/broken.in	2017/02/08 03:02:59	1.1
+++ mandoc/regress/mdoc/Nd/broken.in	2017/02/11 20:22:36	1.2
@@ -19,4 +19,12 @@ back to outer list
 .It outer tag
 outer text
 .El
+.Pp
+Broken together with a child block:
+.\" Crashed before mdoc_macro.c OpenBSD rev. 1.171
+.Ao ao
+.Bo bo
+.Nd nd
+.Pq pq bc Bc ac
+.Ac Op op
 end of file