Index: bbcode-filter.inc
===================================================================
RCS file: /cvs/drupal/contributions/modules/bbcode/bbcode-filter.inc,v
retrieving revision 1.61
diff -u -p -r1.61 bbcode-filter.inc
--- bbcode-filter.inc	26 May 2007 08:28:34 -0000	1.61
+++ bbcode-filter.inc	26 May 2007 16:28:10 -0000
@@ -265,6 +265,18 @@ function _bbcode_filter_process(&$body, 
     $body = preg_replace('#<a([^>]+)>#i', '<a\\1 rel="nofollow">', $body);
   }
 
+  // begin processing for [fn|footnote]
+  if (preg_match_all('#\[(?:fn|footnote)(?::\w+)?\](.*?)\[/(?:fn|footnote)(?::\w+)?\]#si', $body, $footnotes, PREG_SET_ORDER)) {
+    $text = "\n<div class=\"bb-footnotes\">\n  <ol>\n";
+    $i = 0;
+    foreach ($footnotes as $fn) {
+      $fn_title = preg_replace('#(\r\n|\n|\r)#', ' ', check_plain(strip_tags($fn[1])));
+      $body = str_replace($fn[0], '<sup class="bb-see-footnote" title="'. $fn_title .'"><a href="#bb-footnote-'. ++$i .'">'. $i .'</a></sup>', $body);
+      $text .= '    <li id="bb-footnote-'. $i .'">'. $fn[1] . "</li>\n";
+    }
+    $body .= $text . "  </ol>\n</div>";
+  } // end processing for [fn|footnote]
+
   return $body;
 }