Jonathan Gray found it in the "Combined Table of Contents" in Doug
McIlroy's "A Research UNIX Reader", which contains a table of which
edition manuals appeared in, and in both the "Table of Contents"
(page vi) and the body (page 89) of the printed UNIX Programmer's
Manual (June 12, 1972) from bitsavers.
-.\" $Id: man.1,v 1.37 2020/02/10 13:49:15 schwarze Exp $
+.\" $Id: man.1,v 1.38 2020/02/10 14:04:11 schwarze Exp $
.\"
.\" Copyright (c) 1989, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
A
.Nm
command first appeared in
-.At v3 .
+.At v2 .
.Pp
The
.Fl w