--- link.module	Mon Nov 02 05:06:14 2009
+++ link.module	Thu Nov 05 01:06:12 2009
@@ -365,10 +365,10 @@
   }
 
   // Add default attributes.
-  $field['attributes'] += _link_default_attributes();
+  $field['attributes'][] = _link_default_attributes();
 
   // Merge item attributes with attributes defined at the field level.
-  $item['attributes'] += $field['attributes'];
+  $item['attributes'][] = $field['attributes'];
 
   // If user is not allowed to choose target attribute, use default defined at
   // field level.
@@ -509,7 +509,7 @@
      $field['attributes'] = array();
    }
    // Add default atrributes.
-   $field['attributes'] += _link_default_attributes();
+   $field['attributes'][] = _link_default_attributes();
    $attributes = isset($element['#value']['attributes']) ? $element['#value']['attributes'] : $field['attributes'];
    if (!empty($field['attributes']['target']) && $field['attributes']['target'] == LINK_TARGET_USER) {
      $element['attributes']['target'] = array(