Remove superfluous Pp; use Nm instead of Xr to ourselves; bump date for v1.32.

share/man/man4/gre.4

@@ -1,4 +1,4 @@
-.\" $NetBSD: gre.4,v 1.35 2006/12/23 06:52:49 wiz Exp $
+.\" $NetBSD: gre.4,v 1.36 2006/12/23 09:11:19 wiz Exp $
 .\"
 .\" Copyright 1998 (c) The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -34,7 +34,7 @@
 .\" ARISING IN ANY WAY  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd December 3, 2006
+.Dd December 4, 2006
 .Dt GRE 4
 .Os
 .Sh NAME
@@ -348,7 +348,6 @@ A description of MOBILE encapsulation can be found in RFC 2004.
 .An David Young Aq dyoung@NetBSD.org
 .Pq GRE in UDP encapsulation, bug fixes
 .Sh BUGS
-.Pp
 The GRE RFCs are not yet fully implemented (no GRE options).
 .Pp
 The MOBILE encapsulation appears to have been broken since
@@ -356,7 +355,7 @@ it was first added to
 .Nx ,
 until August 2006.
 It is known to interoperate with another
-.Xr gre 4
+.Nm
 in MOBILE mode, however, it has not been tested for interoperability
 with any other implementation of RFC 2004.
 .Pp