PSVI
Encyclopedia
PSVI is an acronym for Post-Schema-Validation Infoset, a term used in XML
XML
Extensible Markup Language is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards....

 parsing. It is the extended infoset after the XML
XML
Extensible Markup Language is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards....

instance has been validated against the attached schema document and extends the XML infoset after validation. Briefly, an XML schema assigns an identifiable type to each element. Validating an XML document against this schema produces a Post Schema Validation Infoset, PSVI for short, where each element, attribute and in general, any node of the XML document has assigned the type from XML schema. Schema-aware applications using schema parsers and APIs can make use of the types of elements.
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