that are completely unaware that there is anything other than ASCII.</p>

<p>There are actually a bunch of other ways of encoding Unicode. There's something called UTF-7, which is a lot like UTF-8 but guarantees that the high bit will always be zero, so that if you have to pass Unicode through some kind of draconian police-state email system that thinks 7 bits are <em>quite enough, thank you</em> it can still squeeze through unscathed. There's UCS-4, which stores each code point in 4 bytes, which has the 