Formalization of a formal, declarative system for describing and naming XML Schema information, specifying XML instance type information, and validating instances against schemas. (W3C Working Draft, 25 September 2001)
Specifies the XML Schema definition language, which offers facilities for describing the structure and constraining the contents of XML 1.0 documents. (W3C Recommendation 2 May 2001)
Governs the handling of patents in the process of producing Web standards. The goal of this policy is to assure that Recommendations produced under this policy can be implemented on a Royalty-Free (RF) basis.
Authoritative information from the W3C. Provides complete specifications, lists of CSS browsers and authoring tools, and information about learning CSS.