Welcome back to my series on the fundamentals of XML for programmers. The first article in this series introduced you to the basic structure of an XML document and the syntax involved in defining that ...

While a well-formed document is well-formed because it follows rules defined by the XML spec, a valid document is valid because it matches its document type definition (DTD). The DTD is the grammar ...

XML and JSON are important to me, and I’m grateful to Apress for letting me write an entire book about them. In this article I will briefly introduce the second edition of my new book, Java XML and ...

A WML deck is enclosed by the tags and . This denotes the beginning and ending of a deck, while and denote the beginning and ending of a card. The As a WML author, how do you know if your program is ...