Aelfred parser is non validating
Create an RDF Site Summary (RSS) 0.9 file that describes your content." See description and references in a separate document. In early January 1999, a W3C Working Draft for the Document Object Model (DOM) Level 2 Specification Version 1.0 (WD-DOM-Level-2-19981228) was released.
It "defines the Document Object Model Level 2, a platform- and language-neutral interface that allows programs and scripts to dynamically access and update the content, structure and style of documents.
XML is an application profile or restricted form of SGML, the Standard Generalized Markup Language.
By construction, XML documents are conforming SGML documents." "XML is primarily intended to meet the requirements of large-scale Web content providers for industry-specific markup, vendor-neutral data exchange, media-independent publishing, one-on-one marketing, workflow management in collaborative authoring environments, and the processing of Web documents by intelligent clients.
In addition they are stylistically similar to HTML to enable easy authoring. According to the notice on the Netscape Developer's page: "The Meta Content Framework, or MCF, provides a standard way to describe files or collections of information. According to the introduction, XML-Data "describes an XML vocabulary for schemas, that is, for defining and documenting object classes.The next version of 'HTML' is expected to be reformulated as an XML application, so that it will be based upon XML rather than upon SGML.As of December 1998, 'Voyager' was the W3C code name for HTML reformulated as an application of XML.It is also expected to find use in certain metadata applications.XML is fully internationalized for both European and Asian languages, with all conforming processors required to support the Unicode character set in both its UTF-8 and UTF-16 encodings. Abstract: "The Extensible Markup Language (XML) is a subset of SGML that is completely described in this document.
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This specification describes the required behavior of an XML processor in terms of how it must read XML data and the information it must provide to the application." [adapted from the Proposal] Valid XML documents are designed to be valid SGML documents, but XML documents have additional restrictions. Several other W3C specifications are also critical to the understanding and implementation of XML as it is currently used. Editors: Tim Bray (Textuality and Netscape), Jean Paoli (Microsoft), and C. Sperberg-Mc Queen (University of Illinois at Chicago). Obviously, many of these application areas provide exemplary models, having unquestioned integrity and high quality.