[668]

應該使用UTF-8編碼可排除
<?xml version="1.0" encoding="UTF-8" ?>

<script src='http://apis.google.com/js/plusone.js' type='text/javascript'>
{lang: 'zh_TW'}
</script>

他應也是(....)變成....#39;

改用編碼應該可排除...