--- doc/loncapafiles/valid_hosts.xfml	2003/05/19 18:35:50	1.6
+++ doc/loncapafiles/valid_hosts.xfml	2007/04/03 22:13:40	1.7
@@ -2,7 +2,7 @@
  "/home/harris41/loncapa/loncom/build/xfml.dtd">
 <!-- valid_hosts.xfml -->
 
-<!-- $Id: valid_hosts.xfml,v 1.6 2003/05/19 18:35:50 albertel Exp $ -->
+<!-- $Id: valid_hosts.xfml,v 1.7 2007/04/03 22:13:40 albertel Exp $ -->
 
 <!--
 
@@ -37,7 +37,7 @@ http://www.lon-capa.org/
 <xfml>
 <clause>
 <when:name match='/^source$/'>
-<when:cdata match='!/^loncom\/(hosts|domain)\.tab$/'>
+<when:cdata match='!/^loncom\/(dns_|)(hosts|domain)\.tab$/'>
 <choice:exclude nodename='file' />
 </when:cdata>
 </when:name>