--- modules/filter/filter.module.old	2008-05-04 23:41:13.000000000 -0400
+++ modules/filter/filter.module	2008-05-04 23:21:55.000000000 -0400
@@ -671,7 +671,7 @@ function _filter_html_settings($format) 
     '#title' => t('Allowed HTML tags'),
     '#default_value' => variable_get("allowed_html_$format", '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>'),
     '#size' => 64,
-    '#maxlength' => 255,
+    '#maxlength' => 500,
     '#description' => t('If "Strip disallowed tags" is selected, optionally specify tags which should not be stripped. JavaScript event attributes are always stripped.'),
   );
   $form['filter_html']["filter_html_help_$format"] = array(