Inside XML

What Does XML Look Like?

So what does XML look like, and how does it work? Here's an example that mimics the HTML page just introduced:

<?xml version="1.0" encoding="UTF-8"?>
<DOCUMENT>
    <GREETING>
        Hello From XML
    </GREETING>
    <MESSAGE>
        Welcome to the wild and woolly world of XML.
    </MESSAGE>
</DOCUMENT>

We'll see the parts of an XML document in detail in the next chapter, but in overview, here's how this one works: I start with the XML processing instruction <?xml version="1.0" encoding="UTF-8"?> (all XML processing instructions start with <? and end with ?>), which indicates that I'm using XML version 1.0 (the only version currently defined) and the UTF-8 character encoding, an 8-bit condensed version of Unicode (more on this later in the chapter). ...