===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/m4.1,v
retrieving revision 1.64
retrieving revision 1.65
diff -c -r1.64 -r1.65
*** src/usr.bin/m4/m4.1	2017/06/15 13:48:42	1.64
--- src/usr.bin/m4/m4.1	2021/03/08 02:47:28	1.65
***************
*** 1,4 ****
! .\"	@(#) $OpenBSD: m4.1,v 1.64 2017/06/15 13:48:42 bcallah Exp $
  .\"
  .\" Copyright (c) 1989, 1993
  .\"	The Regents of the University of California.  All rights reserved.
--- 1,4 ----
! .\"	@(#) $OpenBSD: m4.1,v 1.65 2021/03/08 02:47:28 jsg Exp $
  .\"
  .\" Copyright (c) 1989, 1993
  .\"	The Regents of the University of California.  All rights reserved.
***************
*** 30,36 ****
  .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  .\" SUCH DAMAGE.
  .\"
! .Dd $Mdocdate: June 15 2017 $
  .Dt M4 1
  .Os
  .Sh NAME
--- 30,36 ----
  .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  .\" SUCH DAMAGE.
  .\"
! .Dd $Mdocdate: March 8 2021 $
  .Dt M4 1
  .Os
  .Sh NAME
***************
*** 450,455 ****
--- 450,466 ----
  macro can modify the exit status, as can the
  .Fl E
  flag.
+ .Sh SEE ALSO
+ .Rs
+ .\" 4.4BSD PSD:17
+ .%A B. W. Kernighan
+ .%A D. M. Ritchie
+ .%I AT&T Bell Laboratories
+ .%T The M4 Macro Processor
+ .%R Computing Science Technical Report
+ .%N 59
+ .%D July 1977
+ .Re
  .Sh STANDARDS
  The
  .Nm