XML is theExtensible Markup Language,a standard defined by theWorld Wide Web Consortium.Originally developed as a standard to enable the interchange of structureddata, XML has expanded to encompass databases, distributed computing,and so on.TheXML Topic Guide,maintained by the XML SIG, containslinks to documentation, source, and so on.

While Python includes basic XML processing capabilities, the goal of thisSIG is to make Python becomethe premier language for XMLprocessing.The SIG, through themailing list andthePyXML project hostedonSourceForge, is helping todecide what software isrequired for this purpose, and coordinate its implementation anddocumentation.