-The trace option isn't identical to SVr4's. Under SVr4, instead of following
-the \fB-v\fR with a trace level n, you repeat it n times.
+The verbose option is not identical to SVr4's.
+Under SVr4, instead of following
+the \fB\-v\fR with a trace level n, you repeat it n times.
+.SH PORTABILITY
+X/Open Curses, Issue 7 (2009) describes \fBtic\fP briefly,
+but omits this program.
+SVr4 systems provide \fBcaptoinfo\fP as a separate application from \fBtic\fP.
+.PP
+NetBSD does not provide this application.