This tutorial introduces you to the basic concepts of XML and using a Document Object Model (DOM) as a parser for the iPhone to parse XML. The intended audience is XML beginners with knowledge of Objective C.
XML (Extensible Markup Language) is a set of rules for encoding documents electronically. It is defined in the XML 1.0 Specification produced by the W3C. XML’s design goals emphasize simplicity, generality, and usability over the Internet. Although XML’s design focuses on documents, it is widely used for the representation of arbitrary data structures, for example in web services. A variety of APIs for accessing XML have been developed and used, and some have been standardized.