使用JavaScript，我如何设置页面标题（因此它在IE8中有效）包含ᴹᴰ哪个是法语版®？ Charset是utf-8，无法更改。
document.title = "Bonjour<sup>MD</sup>"; //does not work anywhere
document.title = "Bonjourᴹᴰ"; //does not work in WinXP IE8, shows two square characters... even when view source