--- loncom/interface/londocs.pm	2004/09/14 21:27:36	1.143
+++ loncom/interface/londocs.pm	2004/09/18 17:04:03	1.145
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.143 2004/09/14 21:27:36 raeburn Exp $
+# $Id: londocs.pm,v 1.145 2004/09/18 17:04:03 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -934,10 +934,11 @@ sub editor {
                     $comment=~s/\</\&lt\;/g;
                     $comment=~s/\>/\&gt\;/g;
                     $comment=~s/\:/\&colon;/g;
-                    $Apache::lonratedt::resources[
+		    if ($comment=~/\S/) {
+			$Apache::lonratedt::resources[
 				       $Apache::lonratedt::order[$idx]]=
-                             $comment.':'.join(':',@rrest);
-                    
+				            $comment.':'.join(':',@rrest);
+		    }
                 }
 # Store the changed version
 		($errtext,$fatal)=&storemap($coursenum,$coursedom,
@@ -1146,6 +1147,8 @@ END
 	    } elsif ($url!~/\.(sequence|page)$/) {
 		$url='/adm/coursedocs/showdoc'.$url;
 	    }
+	} elsif ($url=~m|^/ext/|) { 
+	    $url='/adm/wrapper'.$url;
 	}
         unless ($container eq 'page') {
 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);