The open source Firefox Web browser continues to grow in popularity. Users like the security and convenience features it offers. Developers like the Firefox attention to standards compliance, inherited from its Mozilla roots. The most recent version, Firefox 1.5, comes with many features for XML developers, including XML parsing, XHTML, CSS, XSLT, SVG, XML Events in JavaScript™, and XForms. Additional third-party extensions provide even more XML support. In this article, Uche Ogbuji provides an overview of XML features in Firefox 1.5.

...From the days of the pioneering Web browser NCSA Mosaic, the role of a browser has been to retrieve the various files that make up a Web page and organize them for user display. The most common formats for such files have been HTML and various binary image formats. XML was originally intended to be SGML on the Web, and its advent has brought with it all sorts of new XML-based formats that Web browsers have had to properly parse and display. The most basic task for an XML-aware browser is for it to be able to prioritize which format is the most important, and Firefox Deer Park is no slouch in this department.

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