Index: components/block.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/patterns/components/block.inc,v
retrieving revision 1.1.4.8
diff -u -8 -p -r1.1.4.8 block.inc
--- components/block.inc	5 Mar 2009 16:38:35 -0000	1.1.4.8
+++ components/block.inc	16 Apr 2009 23:24:45 -0000
@@ -48,16 +48,18 @@ function block_patterns($op, $id = null,
         // convert role names to role IDs and get rid of all invalid entries
         foreach($data['roles'] as $key => $role) {
           if (is_string($role)) {
             $rid = db_result(db_query('SELECT rid FROM {role} WHERE name = "%s"', $role));
             $roles[$rid] = $rid;
           }
         }
         $data['roles'] = $roles;
+      } else if ($data['roles'] == 'none') {
+        $data['roles'] = array();
       }
       
       if (!empty($data['pages']) && is_array($data['pages'])) {
         $pages = implode("\r\n", $data['pages']);
         $data['pages'] = str_replace('[front]', '<front>', $pages);
       }
       
       if (!($data['module'] && $data['delta']) && $data['info']) {