Add a note to ppp(4)'s BUGS section where it talks about lack of IPv6

support to make it clear that pppoe(4) does work with IPv6. Problem noted
by Simon Farnsworth. Add xrefs to pppoe(4) and pppx(4) to show that this
isn't the only PPP implementation on OpenBSD. ok/tweak stsp@

1 files changed, 9 insertions, 3 deletions

diff --git a/share/man/man4/ppp.4 b/share/man/man4/ppp.4
index 12d6d93e9f5..37d31dcf67f 100644
--- a/share/man/man4/ppp.4
+++ b/share/man/man4/ppp.4
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ppp.4,v 1.15 2014/10/01 10:05:17 mpi Exp $
+.\"	$OpenBSD: ppp.4,v 1.16 2015/07/28 14:31:50 sthen Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     From:	@(#)lo.4	8.1 (Berkeley) 6/5/93
 .\"
-.Dd $Mdocdate: October 1 2014 $
+.Dd $Mdocdate: July 28 2015 $
 .Dt PPP 4
 .Os
 .Sh NAME
@@ -61,6 +61,8 @@ family; the packet was dropped.
 .El
 .Sh SEE ALSO
 .Xr inet 4 ,
+.Xr pppoe 4 ,
+.Xr pppx 4 ,
 .Xr hostname.if 5 ,
 .Xr ifconfig 8 ,
 .Xr netstart 8 ,
@@ -81,4 +83,8 @@ device appeared in
 .Sh BUGS
 Currently, only the
 .Xr ip 4
-protocol is supported.
+protocol is supported by this device.
+Note that the
+.Xr pppoe 4
+device does support
+.Xr ip6 4 .