is used to test whether the message number
has 5
or more digits.
-If so, it is printed at full width: otherwise
+If so, it is printed at full width, otherwise
at 4 digits.
.SH "SEE ALSO"
-scan(1), repl(1), ap(8), dp(8)
+.IR scan (1),
+.IR repl (1),
+.IR ap (8),
+.IR dp (8)
.SH CONTEXT
None