===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/yacc/yacc.1,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -r1.33 -r1.34
--- src/usr.bin/yacc/yacc.1	2020/05/23 22:43:43	1.33
+++ src/usr.bin/yacc/yacc.1	2021/03/08 02:47:29	1.34
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: yacc.1,v 1.33 2020/05/23 22:43:43 espie Exp $
+.\"	$OpenBSD: yacc.1,v 1.34 2021/03/08 02:47:29 jsg Exp $
 .\"
 .\" Copyright (c) 1989, 1990 The Regents of the University of California.
 .\" All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"	from: @(#)yacc.1	5.7 (Berkeley) 7/30/91
 .\"
-.Dd $Mdocdate: May 23 2020 $
+.Dd $Mdocdate: March 8 2021 $
 .Dt YACC 1
 .Os
 .Sh NAME
@@ -168,6 +168,15 @@
 to the standard error.
 .Sh SEE ALSO
 .Xr yyfix 1
+.Rs
+.\" 4.4BSD PSD:15
+.%A S. C. Johnson
+.%T Yacc \(em Yet Another Compiler-Compiler
+.%I AT&T Bell Laboratories
+.%R Computing Science Technical Report
+.%N 32
+.%D July 1975
+.Re
 .Rs
 .%A F. DeRemer
 .%A T. J. Pennello