Main Page | See live article | Alphabetical index In computing, Resource Directory Description Language (RDDL) is is an extension of XHTML Basic 1.0. An RDDL document, called a Resource Directory, provides a package of information about some target. The targets which RDDL was designed to describe are XML Namespaces. External links RDDL home page This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.