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:

Listing . ch01_02.xml
 
<?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 using the UTF-8 character encoding, which means that I'm using an 8-bit condensed ...

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