there are more GRE rfcs

diff --git a/share/man/man4/gre.4 b/share/man/man4/gre.4
index 36a676a..650dfd8 100644 (file)
--- a/share/man/man4/gre.4
+++ b/share/man/man4/gre.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: gre.4,v 1.52 2018/02/15 01:58:46 dlg Exp $
+.\" $OpenBSD: gre.4,v 1.53 2018/02/15 02:03:03 dlg Exp $
 .\" $NetBSD: gre.4,v 1.10 1999/12/22 14:55:49 kleink Exp $
 .\"
 .\" Copyright 1998 (c) The NetBSD Foundation, Inc.
@@ -224,6 +224,24 @@ pass quick on gre proto gre no state
 .Re
 .Pp
 .Rs
+.%A D. Farinacci
+.%A "T. Li"
+.%A S. Hanks
+.%A D. Meyer
+.%A P. Traina
+.%D March 2000
+.%R RFC 2784
+.%T Generic Routing Encapsulation (GRE)
+.Re
+.Pp
+.Rs
+.%A G. Dommety
+.%D September 2000
+.%R RFC 2890
+.%T Key and Sequence Number Extensions to GRE
+.Re
+.Pp
+.Rs
 .%U https://tools.ietf.org/html/draft-ietf-wrec-web-pro-00.txt
 .%T Web Cache Coordination Protocol V1.0
 .Re