===================================================================
RCS file: /cvs/mandoc/regress/roff/de/infinite.in,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -p -r1.1 -r1.2
--- mandoc/regress/roff/de/infinite.in	2017/03/07 20:00:09	1.1
+++ mandoc/regress/roff/de/infinite.in	2017/03/08 13:18:12	1.2
@@ -7,6 +7,12 @@
 .Sh DESCRIPTION
 initial text
 .de mym
+.Op \\$1 \\$2
+..
+.mym $1 \$1
+.mym \$1 nothing
+middle text
+.de mym
 .mym
 not printed
 ..