no more non-utf-8 files

Documentation.html

@@ -4101,8 +4101,8 @@ chmod o+rwx tmp
     <li>Please try to keep up the file-naming conventions. Table-related stuff
         goes to <i>tbl_*.php</i>, db-related code to <i>db_*.php</i>,
         server-related tools to <i>server_*.php</i> and so on.</li>
-    <li>Please don't use verbose strings in your code, instead add the string
-        (at least) to <i>english-iso-8859-1.inc.php</i> and print() it out.</li>
+    <li>Please don't put message strings in your code, instead add the string
+        (at least) to <i>english-utf-8.inc.php</i> and print() it out.</li>
     <li>If you want to be really helpful, write an entry for the ChangeLog.</li>
     <li id="developersdbg">
         The DBG extension (<a href="http://dd.cron.ru/dbg/">PHP