-.\" $Id: man.7,v 1.145 2020/02/18 17:31:28 schwarze Exp $
+.\" $Id: man.7,v 1.148 2021/08/05 14:31:14 schwarze Exp $
.\"
.\" Copyright (c) 2009, 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
.\" Copyright (c) 2011-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: February 18 2020 $
+.Dd $Mdocdate: August 5 2021 $
.Dt MAN 7
.Os
.Sh NAME
.Ed
.It Ic OP
Optional command-line argument.
-This is a non-standard GNU extension.
+This is a non-standard DWB extension.
It has the following syntax:
.Pp
.D1 Pf . Ic OP Ar key Op Ar value
.It Ic I Ta n Ta next-line Ta \&
.It Ic IB Ta n Ta current Ta \&
.It Ic IR Ta n Ta current Ta \&
-.It Ic OP Ta >=1 Ta current Ta GNU
+.It Ic OP Ta >=1 Ta current Ta DWB
.It Ic PD Ta 1 Ta current Ta \&
.It Ic RB Ta n Ta current Ta \&
.It Ic RI Ta n Ta current Ta \&
language first appeared as a macro package for the roff typesetting
system in
.At v7 .
-It was later rewritten by James Clark as a macro package for groff.
-Eric S. Raymond wrote the extended
-.Nm
-macros for groff in 2007.
+.Pp
The stand-alone implementation that is part of the
.Xr mandoc 1
-utility written by Kristaps Dzonsons appeared in
+utility first appeared in
.Ox 4.6 .
.Sh AUTHORS
-This
+.An -nosplit
+.An Douglas McIlroy Aq Mt m.douglas.mcilroy@dartmouth.edu
+designed and implemented the original version of these macros,
+wrote the original version of this manual page,
+and was the first to use them when he edited volume 1 of the
+.At v7
+manual pages.
+.Pp
+.An James Clark
+later rewrote the macros for groff.
+.An Eric S. Raymond Aq Mt esr@thyrsus.com
+and
+.An Werner Lemberg Aq Mt wl@gnu.org
+added the extended
+.Nm
+macros to groff in 2007.
+.Pp
+The
+.Xr mandoc 1
+program and this
.Nm
-reference was written by
+reference were written by
.An Kristaps Dzonsons Aq Mt kristaps@bsd.lv .