Absolute Beginner's Guide to Programming, Third Edition

A Complete XML Example

In spite of the freedom that a Web programmer has with XML, certain rules do apply. All XML code must conform to two requirements:

1. XML code must be well formed and must begin with the <?xml version=1.0?> tag, which is never used in another context. In addition, all tags must appear between the <list> and </list> tags. Browsers do not handle poorly defined XML code as well as they do HTML. If you write badly formed HTML code, such as forgetting a terminating tag before another beginning tag, a browser would not display an error message; instead, the browser would show an incomplete sentence or a badly placed graphic image. When some of the HTML is incorrect, later HTML code is affected. Bad XML code produces actual error ...