===================================================================
RCS file: /cvs/mandoc/regress/roff/cond/string.in,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -p -r1.3 -r1.4
--- mandoc/regress/roff/cond/string.in	2017/07/04 15:26:31	1.3
+++ mandoc/regress/roff/cond/string.in	2019/02/06 21:11:44	1.4
@@ -1,5 +1,5 @@
-.\" $OpenBSD: string.in,v 1.3 2017/07/04 15:26:31 schwarze Exp $
-.TH STRING 1 "June 14, 2017"
+.\" $OpenBSD: string.in,v 1.4 2019/02/06 21:11:44 schwarze Exp $
+.TH STRING 1 "February 6, 2019"
 .SH NAME
 string \- conditional testing whether a string is defined
 .SH DESCRIPTION
@@ -32,3 +32,11 @@ mymacval
 standard macro is
 .ie d PP defined
 .el not defined \(em OOPS
+.PP
+identifier and tab:
+.ie d mystr	mystr is defined
+.el OOPS
+.PP
+escape sequence after identifier:
+.ie d mystr\(enmystr is defined
+.el OOPS