===================================================================
RCS file: /cvs/mandoc/regress/roff/cond/string.in,v
retrieving revision 1.1
retrieving revision 1.3
diff -u -p -r1.1 -r1.3
--- mandoc/regress/roff/cond/string.in	2017/06/14 14:02:40	1.1
+++ mandoc/regress/roff/cond/string.in	2017/07/04 15:26:31	1.3
@@ -1,4 +1,5 @@
-.TH STRING 1 "June 14, 2017" OpenBSD
+.\" $OpenBSD: string.in,v 1.3 2017/07/04 15:26:31 schwarze Exp $
+.TH STRING 1 "June 14, 2017"
 .SH NAME
 string \- conditional testing whether a string is defined
 .SH DESCRIPTION
@@ -27,3 +28,7 @@ mymacval
 .ie d myren now defined
 .el OOPS
 .if !d myren OOPS
+.PP
+standard macro is
+.ie d PP defined
+.el not defined \(em OOPS