We very briefly discussed this in Chapter 3, just to get our development going, but let's review what kind of information is required in the
First off, let me just point out that XML is becoming a very common file format that even most frontend web designers are finding they have to deal with more and more. If you're totally new to XML, I can't possibly go into all the details of getting started with it, but at its core, it's pretty simple. In fact, if you're all brushed up on your XHTML syntax, you're more than half way there. This is because XHTML is essentially HTML that uses XML syntax. (See? That's not so bad.)
Now, XML syntax consists of a file structure, usually ...