htmlentities break everything that is not iso-8859-1

htmlspecialchars break only iso-2022 (http://en.wikipedia.org/wiki/ISO_2022).
use of iso-2022 charsets in internet communications is deprecated.

functions/addressbook.php

@@ -421,7 +421,6 @@ class AddressBook {
        Errors from the backend are cleaned up in this class because we not always
        have control over it when error output is generated in the backend.
        If this appears to be wrong place then clean it up at the source (the backend)
-       Possible problems, translated strings in utf8?  (stekkel)
     */
 
     /**