In other words, the functional specification with Audit points are written in XML (call this the 'story' for how a procedure works for Extreme Programming), and the code is also written in XML.

As opposed to other programming languages ... so you cannot use them in your code. In XML, nesting needs to be done appropriately. Nesting does not affect HTML code in any way.

AJAX (Asynchronous JavaScript and XML) is a technique aimed at creating better and faster interactive web apps by combining several programming tools, including JavaScript, dynamic HTML (DHTML) and ...

The program focuses specifically on the EAN.UCC XML cross-industry schema for B2B e-commerce developed jointly by EAN International, of Brussels, Belgium, and the Uniform Code Council Inc., of ...