< hypertext , standard , World-Wide Web > A reformulation of HTML 4.01 in XML . Being XML means that XHTML can be viewed, edited, and validated with standard XML tools. At the same time, it operates as well as or better than HTML 4 in existing HTML 4 conforming user agents.
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Latest version: 1.0, as of 2000-09-10.
(2000-09-10)