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This article details the development of an experimental XML-based online library catalog. The emerging technology of XML, and its early implementation in Microsoft Internet Explorer 5, allowed for the development of an application employing the client-side processing of XML with JavaScript. But slow implementation of XML by other browser vendors, and a tendency towards the slow adoption of the newest browser versions by users, demanded an application employing server-side processing of the XML. Now in its third version, XMLCat demonstrates the viability of this approach, and points to possibilities for its future development.
