diff -Naur views/theme/theme.inc views.new/theme/theme.inc
--- views/theme/theme.inc	2009-02-06 15:13:04.000000000 -0600
+++ views.new/theme/theme.inc	2009-03-19 17:14:36.248655713 -0500
@@ -350,7 +350,7 @@
         }
 
         // Place the field into the column, along with an optional separator.
-        if (isset($vars['rows'][$num][$column])) {
+        if (!empty($vars['rows'][$num][$column])) {
           if (!empty($options['info'][$column]['separator'])) {
             $vars['rows'][$num][$column] .= filter_xss_admin($options['info'][$column]['separator']);
           }