-.\" $NetBSD: bcd.6,v 1.13 2002/11/26 03:47:45 kim Exp $
+.\" $NetBSD: bcd.6,v 1.19 2019/09/02 08:26:00 wiz Exp $
.\"
.\" Copyright (c) 1988, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\" must display the following acknowledgement:
-.\" This product includes software developed by the University of
-.\" California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
+.\" 3. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\"
.\" @(#)bcd.6 8.1 (Berkeley) 5/31/93
.\"
-.Dd May 31, 1993
+.Dd September 1, 2019
.Dt BCD 6
.Os
.Sh NAME
.Op Fl ds Ar string ...
.Sh DESCRIPTION
The
-.Nm "" ,
+.Nm ,
.Nm ppt
and
.Nm morse
.Fl s
option for morse produces dots and dashes rather than words.
.It Fl d
-Decode ppt output, or morse output consisting of dots and slashes
-(as generated by using the
+Decode
+.Nm ppt
+output, or
+.Nm morse
+output consisting of dots and dashes (as generated by using the
.Fl s
option).
.El
.%B "ITU-T Recommendation F.1: Operational provisions for the international public telegram service"
.%O "Division B, I. Morse code"
.Re
+.Sh HISTORY
+A
+.Nm bcd
+utility appeared in
+.At v1 .
+The current implementation originates from a rewrite included in
+.Bx 4.3 reno .