XML Information Set

XML Information Set (Infoset) is a W3C recommendation.

Infoset specification provides a consistent set of definitions for use in other specifications that need to refer to the information in a well-formed XML document.

An XML document has an information set if it is well-formed and satisfies the XML namespace constraints. There is no requirement for an XML document to be valid in order to have an information set.

An information set can contain up to eleven different types of information items *The Document Information Item *Element Information Items *Attribute Information Items *Processing Instruction Information Items *Unexpanded Entity Reference Information Items *Character Information Items *Comment Information Items *The Document Type Declaration Information Item *Unparsed Entity Information Items *Notation Information Items *Namespace Information Items

Infoset recommendation Second Edition was adopted on 4 February 2004.

=External links=

*[http://www.w3.org/TR/xml-infoset/ W3C XML Information set recommendation (Second Edition)]