Whitespace and punctuation nits, improve some markup.

usr.sbin/grfconfig/grfconfig.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: grfconfig.8,v 1.10 2000/12/02 21:58:10 is Exp $
+.\"	$NetBSD: grfconfig.8,v 1.11 2002/01/19 03:14:10 wiz Exp $
 .\"
 .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -41,12 +41,12 @@
 .Nm grfconfig
 .Nd alter grf device screen mode definitions at run time
 .Sh SYNOPSIS
-.Nm ""
+.Nm
 .Op Fl r
 .Ar device
 .Op Ar file
 .Sh DESCRIPTION
-.Nm ""
+.Nm
 is used to change or view the screen mode definition list contained
 in a grf device.  You may alter the console screen definition as well
 as the definitions for the graphic screen.  The console will automatically
@@ -63,11 +63,10 @@ The grf device to manipulate.  This argument is required.
 .It Ar file
 The file which contains the mode definitions.  If this argument
 is not specified,
-.Nm ""
+.Nm
 will print out of a list of the modes currently loaded into
 the grf device.
 .El
-.Pp
 .Sh MODE DEFINITION FILE
 The mode definitions are taken from a file which has lines of the format:
 .Pp
@@ -113,12 +112,10 @@ Positive vertical sync pulses
 Negative vertical sync pulses
 .It sync-on-green
 Composite sync on green
-.Pp
+.El
 .El
 .Pp
-.El
-.Pp
-.nf
+.Bd -literal
  ------------------------------------------------------
  |                           ^                        |
  |                          vse                       |
@@ -151,23 +148,22 @@ Composite sync on green
                         - ------- -
                              ^
                             vbe
-
-
+.Ed
 .Sh SEE ALSO
 .Xr console 4 ,
-.Xr iteconfig 8 ,
 .Xr grfcl 4 ,
 .Xr grfcv 4 ,
 .Xr grfcv3d 4 ,
 .Xr grfet 4 ,
 .Xr grfrh 4 ,
 .Xr grfrt 4 ,
-.Xr grful 4
+.Xr grful 4 ,
+.Xr iteconfig 8
 .Sh HISTORY
 The
-.Nm ""
+.Nm
 command first appeared in
-.Nx 1.0
+.Nx 1.0 .
 .Pp
 The mode definition file changed two times.
 .Pp
@@ -207,9 +203,12 @@ Beginning with
  4   31000000 640 480  8  640 688 768 832 480 489 492 520 +hsync +vsync
 .Pp
 hbe and vbe are computed in the grf drivers.
-.Pp
 .Sh BUGS
-.Nm ""
-can not set the modes for /dev/grf1, /dev/grf2 and /dev/grf4
-and it will not work for /dev/grf0.
-
+.Nm
+can not set the modes for
+.Pa /dev/grf1 ,
+.Pa /dev/grf2
+and
+.Pa /dev/grf4
+and it will not work for
+.Pa /dev/grf0 .