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XML processors

XML is tag-based; however, there are no predefined XML tags. Tags are the markup inserted in an XML document to define the elements from which it is composed.

XML documents follow strict syntax rules. To create, read, and update XML documents, you require an XML processor or parser. At the heart of an XML application is an XML processor that parses an XML document, allowing the document elements to be retrieved and used as required. Parsers are also responsibility for checking the syntax and structure of XML documents. The two main XML parsers are the Simple API for XML (SAX) parser and the Document Object Model (DOM) parser.

Detailed information about SAX and DOM can be found at:

http://www.saxproject.org/

http://www.w3.org/DOM/

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