From 5cac28fb2b0e64e1f26b46d2309e9f5f0fc4ce41 Mon Sep 17 00:00:00 2001
From: Petr Skoda <commits@skodak.org>
Date: Mon, 26 Sep 2011 23:49:58 +0200
Subject: [PATCH] MDL-29535 fix support for custom filter settings in contrib
 filters

---
 filter/local_settings_form.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/filter/local_settings_form.php b/filter/local_settings_form.php
index f1d59bcb282..1721ffa74bc 100644
--- a/filter/local_settings_form.php
+++ b/filter/local_settings_form.php
@@ -53,7 +53,7 @@ abstract class filter_local_settings_form extends moodleform {
         $mform->setDefault('contextid', $this->context->id);
 
         $mform->addElement('hidden', 'filter');
-        $mform->setType('filter', PARAM_ALPHAEXT);
+        $mform->setType('filter', PARAM_SAFEPATH);
         $mform->setDefault('filter', $this->filter);
 
         $this->add_action_buttons();