Posts tagged ‘DTD’

DTD manipulation

Document Type Definition (DTD) is one of several SGML and XML schema languages, and is also the term used to describe a document or portion thereof that is authored in the DTD language. A DTD is primarily used for the expression of a schema via a set of declarations that conform to a particular markup syntax and that describe a class, or type, of document, in terms of constraints on the structure of that document. A DTD may also declare constructs that are not always required to establish document structure, but that may affect the interpretation of some documents. XML documents are described using a subset of DTD which imposes a number of restrictions on the document’s structure, as required per the XML standard (XML is in itself an application of SGML optimized for automated parsing).


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Continue Reading 26 June, 2008 at 20:28 1 comment


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