document -xdev [from Anon Ymous]

usr.bin/find/find.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: find.1,v 1.59 2006/10/07 17:06:28 apb Exp $
+.\"	$NetBSD: find.1,v 1.60 2007/02/01 19:00:16 christos Exp $
 .\"
 .\" Copyright (c) 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"	from: @(#)find.1	8.7 (Berkeley) 5/9/95
 .\"
-.Dd October 7, 2006
+.Dd February 1, 2007
 .Dt FIND 1
 .Os
 .Sh NAME
@@ -207,7 +207,7 @@ was started, rounded up to the next full 24-hour period, is
 .It Ic -empty
 True if the current file or directory is empty.
 .\" The ".sp" below is probably not the right way to get the desired effect.
-.It Ic -exec Ar utility Oo argument ... Oc No ; 
+.It Ic -exec Ar utility Oo argument ... Oc No ;
 .sp -1l
 .It Ic -exec Ar utility Oo argument ... Oc No {} +
 Execute the specified
@@ -577,6 +577,12 @@ If
 is numeric and there is no such user name, then
 .Ar uname
 is treated as a user id (and considered a numeric argument).
+.It Ic -xdev
+This primary always evaluates to true.
+It causes find not to decend past directories that have a different
+device ID (st_dev, see
+.Xr stat 2
+S5.6.2 [POSIX.1]).
 .El
 .Pp
 All primaries which take a numeric argument allow the number to be