--- loncom/interface/lonprintout.pm	2012/11/30 20:38:01	1.623
+++ loncom/interface/lonprintout.pm	2012/11/30 20:48:27	1.624
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Printout
 #
-# $Id: lonprintout.pm,v 1.623 2012/11/30 20:38:01 raeburn Exp $
+# $Id: lonprintout.pm,v 1.624 2012/11/30 20:48:27 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2140,6 +2140,8 @@ sub print_page_in_course {
 	    my @page_resources = $navmap->retrieveResources($resource_src);
 	    $result           .= &print_page_in_course($helper, $rparmhash, 
 						       $resource_src, \@page_resources);
+        } elsif ($resource->ext()) {
+            $result .= &unsupported($currentURL,$mode,$symb);
 	}
 	# these resources go through the XML transformer: