Convert to PHP 5 only codebase, adding visibility modifiers to all members and methods in the main library area (function only for test methods)

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1458 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/PercentEncoder.php

@@ -10,7 +10,7 @@ class HTMLPurifier_PercentEncoder
      * Fix up percent-encoding by decoding unreserved characters and normalizing
      * @param $string String to normalize
      */
-    function normalize($string) {
+    public function normalize($string) {
         if ($string == '') return '';
         $parts = explode('%', $string);
         $ret = array_shift($parts);