Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.776.2.25
diff -u -p -r1.776.2.25 node.module
--- modules/node/node.module	11 Feb 2008 07:49:18 -0000	1.776.2.25
+++ modules/node/node.module	9 Mar 2008 16:06:58 -0000
@@ -1910,7 +1910,7 @@ function node_feed($nodes = 0, $channel 
 
   $channel_defaults = array(
     'version'     => '2.0',
-    'title'       => variable_get('site_name', 'Drupal') .' - '. variable_get('site_slogan', ''),
+    'title'       => variable_get('site_name', 'Drupal') . (variable_get('site_slogan', '') ? ' - '. variable_get('site_slogan', '') : ''),
     'link'        => $base_url,
     'description' => variable_get('site_mission', ''),
     'language'    => $locale