<a name="ext_$content[ext_name]"></a>
-<form action="{?URL?}/modules.php?module=admin&what=extensions&reg_ext=$content[id]" method="post" style="margin-bottom: 0px">
+<form accept-charset="utf-8" action="{%url=modules.php?module=admin&what=extensions&reg_ext=$content[id]%}" method="post">
<input type="submit" name="ok" class="admin_submit" value="{--ADMIN_REGISTER_EXTENSION--}" />
</form>