Fix some roff bugs.

We should use 'Ic' for internal command.

sbin/atactl/atactl.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: atactl.8,v 1.2 1998/11/23 23:02:58 kenh Exp $
+.\"	$NetBSD: atactl.8,v 1.3 1999/01/30 10:22:45 msaitoh Exp $
 .\"
 .\" Copyright (c) 1998 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -59,22 +59,22 @@ the command may require.
 The following commands may be used on IDE and ATA devices.  Note
 that not all devices support all commands.
 .Pp
-.Nm identify
+.Ic identify
 .Pp
 Identify the specified device, displaying the device's vendor, product,
 revision strings, and the device's capabilities.
 .Pp
-.Nm idle
+.Ic idle
 .Pp
 Place the specified device into Idle mode.  This mode may consume less
 power than Active mode.
 .Pp
-.Nm standby
+.Ic standby
 .Pp
 Place the specified device into Standby mode.  This mode will consume
 less power than Idle mode.
 .Pp
-.Nm sleep
+.Ic sleep
 .Pp
 Place he specified device into Sleep mode.  This mode will consume
 less power than Standby mode, but requires a device reset to resume
@@ -83,7 +83,7 @@ operation.  Typically the
 driver performs this reset automatically, but this should still be
 used with caution.
 .Pp
-.Nm setidle
+.Ic setidle
 .Ar standby-timer
 .Pp
 Places the specified device into Idle mode, and sets the Standby timer
@@ -91,7 +91,7 @@ to
 .Ar standby-timer
 seconds.  A value of 0 will disable the Standby timer.
 .Pp
-.Nm setstandby
+.Ic setstandby
 .Ar standby-timer
 .Pp
 Places the specified device into Standby mode, and sets the Standby timer
@@ -99,22 +99,22 @@ to
 .Ar standby-timer
 seconds.  A value of 0 will disable the Standby timer.
 .Pp
-.Nm checkpower
+.Ic checkpower
 .Pp
 Will print out if the device is in Active, Idle, or Standby power
 management mode.
 .Sh BUGS
 The output from the
-.Nm identify
+.Ic identify
 command is rather ugly.
 .Sh SEE ALSO
 .Xr ioctl 2 ,
-.Xr wd 4 ,
+.Xr wd 4
 .Sh AUTHOR
 The
 .Nm
 command was written by Ken Hornstein.  It was based heavily on the
-.Nm scsictl(8)
+.Xr scsictl 8
 command written by Jason R. Thorpe.
 .Sh HISTORY
 The