document the new -t option; misc cleanup

bin/check/named-checkconf.8

@@ -13,7 +13,7 @@
 .\" NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 .\" WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-.\" $Id: named-checkconf.8,v 1.3 2001/01/09 21:47:14 bwelling Exp $
+.\" $Id: named-checkconf.8,v 1.4 2001/01/29 18:38:11 gson Exp $
 
 .Dd Jun 14, 2000
 .Dt NAMED-CHECKCONF 1
@@ -21,14 +21,15 @@
 .ds vT BIND9 Programmer's Manual
 .Sh NAME
 .Nm named-checkconf
-.Nd Configuration file syntax checking tool.
+.Nd named configuration file syntax checking tool.
 .Sh SYNOPSIS
 .Nm named-checkconf
-.Op filename
+.Op Fl t Ar directory
+.Ar filename
 .Sh DESCRIPTION
 .Pp
 .Nm named-checkconf
-is a tool to check the syntax, but not sematics, of the configuration file
+checks the syntax, but not sematics, of the configuration file
 for named.
 .Pp
 The options to
@@ -38,11 +39,17 @@ are as follows:
 .It Ar filename
 the name of the configuration file to be checked.
 If not specified it defaults /etc/named.conf.
+.It Fl t
+chroot to
+.Ar directory
+so that include directives in the configuration
+file are processed as if run by a similarly chrooted
+named.
+.El
 .Sh RETURN VALUES
 .Pp
 .Nm named-checkconf
 return a an exit status of 1 if errors were detected,
 0 otherwise.
 .Sh SEE ALSO
-.Xr named 8 ,
-.Xr RFC1035 .
+.Xr named 8 .