diff --git a/main/inc/lib/formvalidator/Rule/HTML.php b/main/inc/lib/formvalidator/Rule/HTML.php
old mode 100644
new mode 100755
index 2722a5ae1c..ada9364ab5
--- a/main/inc/lib/formvalidator/Rule/HTML.php
+++ b/main/inc/lib/formvalidator/Rule/HTML.php
@@ -1,76 +1,58 @@
 <?php
-/*
-==============================================================================
-	Dokeos - elearning and course management software
+/* For licensing terms, see /license.txt */
 
-	Copyright (c) 2004-2005 Dokeos S.A.
-	Copyright (c) Bart Mollet, Hogeschool Gent
+require_once 'HTML/QuickForm/Rule.php';
+require_once api_get_path(SYS_PATH).'main/inc/lib/kses-0.2.2/kses.php';
 
-	For a full list of contributors, see "credits.txt".
-	The full license can be read in "license.txt".
-
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License
-	as published by the Free Software Foundation; either version 2
-	of the License, or (at your option) any later version.
-
-	See the GNU General Public License for more details.
-
-	Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
-	Mail: info@dokeos.com
-==============================================================================
-*/
-require_once ('HTML/QuickForm/Rule.php');
-require_once (api_get_path(SYS_PATH).'main/inc/lib/kses-0.2.2/kses.php');
 /**
  * QuickForm rule to check a html
  */
 class HTML_QuickForm_Rule_HTML extends HTML_QuickForm_Rule
 {
-	/**
-	 * Function to validate HTML
-	 * @see HTML_QuickForm_Rule
-	 * @param string $html
-	 * @return boolean True if html is valid
-	 */
-	function validate($html, $mode = NO_HTML)
-	{
-		$allowed_tags = $this->get_allowed_tags ($mode,$fullpage);
-		$cleaned_html = kses($html, $allowed_tags);
-		return $html == $cleaned_html;
-	}
-	/**
-	 * Get allowed tags
-	 * @param int $mode NO_HTML, STUDENT_HTML, TEACHER_HTML,
-	 * STUDENT_HTML_FULLPAGE or TEACHER_HTML_FULLPAGE
-	 * @param boolean $fullpage If true, the allowed tags for full-page editing
-	 * are returned.
-	 */
-	function get_allowed_tags($mode)
-	{
-		//Include the allowed tags
-		include(dirname(__FILE__).'/allowed_tags.inc.php');
-		switch($mode)
-		{
-			case NO_HTML:
-				return array();
-				break;
-			case STUDENT_HTML:
-				return $allowed_tags_student;
-				break;
-			case STUDENT_HTML_FULLPAGE:
-				return array_merge($allowed_tags_student,$allowed_tags_student_full_page);
-				break;
-			case TEACHER_HTML:
-				return $allowed_tags_teacher;
-				break;
-			case TEACHER_HTML_FULLPAGE:
-				return array_merge($allowed_tags_teacher,$allowed_tags_teacher_full_page);
-				break;
-			default:
-				return array();
-				break;
-		}
-	}
+    /**
+     * Function to validate HTML
+     * @see HTML_QuickForm_Rule
+     * @param string $html
+     * @return boolean True if html is valid
+     */
+    function validate($html, $mode = NO_HTML)
+    {
+        $allowed_tags = $this->get_allowed_tags ($mode, $fullpage);
+        $cleaned_html = kses($html, $allowed_tags);
+        return $html == $cleaned_html;
+    }
+
+    /**
+     * Get allowed tags
+     * @param int $mode NO_HTML, STUDENT_HTML, TEACHER_HTML,
+     * STUDENT_HTML_FULLPAGE or TEACHER_HTML_FULLPAGE
+     * @param boolean $fullpage If true, the allowed tags for full-page editing
+     * are returned.
+     */
+    function get_allowed_tags($mode)
+    {
+        // Include the allowed tags.
+        include(dirname(__FILE__).'/allowed_tags.inc.php');
+        switch($mode)
+        {
+            case NO_HTML:
+                return array();
+                break;
+            case STUDENT_HTML:
+                return $allowed_tags_student;
+                break;
+            case STUDENT_HTML_FULLPAGE:
+                return array_merge($allowed_tags_student,$allowed_tags_student_full_page);
+                break;
+            case TEACHER_HTML:
+                return $allowed_tags_teacher;
+                break;
+            case TEACHER_HTML_FULLPAGE:
+                return array_merge($allowed_tags_teacher,$allowed_tags_teacher_full_page);
+                break;
+            default:
+                return array();
+                break;
+        }
+    }
 }
-?>
\ No newline at end of file