... 261maintaining, 247-260recording elements, 264transition values, 262-265updating, 264trees, 263scalability, 358schemas, 105scientific applications, 7scoping namespaces, 118screens, 168, 376scripting ... establishing links in XML documents.XML—eXtensible Markup Language, a new markup language published by the W3C to address the limitations of HTML.XML-Data—A proposed replacement for DTD. See also ... Markup Language, the format of Web pages.HTTP—Hypertext Transport Protocol, the protocol spoken by Web serversand browsers.ISO—International Standards Organization, an official organization...