C programming validating user input

04 Feb

By construction, XML documents are conforming SGML documents.XML has been designed for ease of implementation and for interoperability with both SGML and HTML.This section describes the status of this document at the time of its publication. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at This version of the XML specification may be distributed freely, as long as all text and legal notices remain intact.[Definition: A violation of the rules of this specification; results are undefined.

This edition supersedes the previous W3C Recommendation of 16 August 2006.

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