diff -urN views/views_query.inc views_neu/views_query.inc
--- views/views_query.inc	2006-06-26 03:03:01.000000000 +0200
+++ views_neu/views_query.inc	2006-07-19 21:09:06.000000000 +0200
@@ -119,14 +119,17 @@
     }
     else if (is_array($filter['value']) && count($filter['value'])) {
       if ($filter['operator'] == 'OR' || $filter['operator'] == 'NOR') {
-        $not = '';
-        if ($filter['operator'] == 'NOR') {
-          $not = "NOT";
-        }
         $query->ensure_table($table);
         $where_args = array_merge(array($table, $field), $filter['value']);
         $placeholder = array_fill(0, count($filter['value']), '%s');
-        $query->add_where("%s.%s $not IN ('". implode("','", $placeholder) ."')", $where_args);
+        if ($filter['operator'] == 'OR') {
+          $query->add_where("%s.%s IN ('". implode("','", $placeholder) ."')", $where_args);
+	}
+	else {
+	  $where_args[] = $where_args[0];
+	  $where_args[] = $where_args[1];
+          $query->add_where("(%s.%s NOT IN ('". implode("','", $placeholder) ."') OR %s.%s IS NULL)", $where_args);
+	}
       }
       else {
         $howmany = count($filter['value']);