Index: bbcode-filter.inc
===================================================================
RCS file: /cvs/drupal/contributions/modules/bbcode/bbcode-filter.inc,v
retrieving revision 1.59
diff -u -p -r1.59 bbcode-filter.inc
--- bbcode-filter.inc	26 May 2007 07:06:04 -0000	1.59
+++ bbcode-filter.inc	26 May 2007 08:12:32 -0000
@@ -70,6 +70,8 @@ function _bbcode_filter_process(&$body, 
   for ($i = 0; $i < $unclosed; $i++) 
      $body .= '[/list]';
 
+  $body = preg_replace('#(?<=\[quote=(["\']))(.*?)(?=\\1\])#esi', "str_replace(']', '&#93;', '$2'", $body);
+
   // Define BBCode tags
   $preg = array(
     // Implement [notag]