XPointer allows you to walk the tree of nodes that an XML document is comprised of to address a specific node or nodes. XPointer expands the syntax set forth by XPath to provide a means of creating fragment identifiers, which are used to specify parts of documents. XPointer provides considerably more control over the referencing of XML document data than the hyperlink approach employed by HTML. For example, XPointer allows you to do things such as address an element with a given value within a list of elements of a given type. You use XPointer
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Description
This work defines the XML Pointer Language (XPointer), the language to be used as a fragment identifier for any URI-reference that locates a resource of Internet media type text/xml or application/xml.
XPointer has been split into a framework for specifying location schemes, and three schemes: element(), xmlns() and xpointer(). The framework and the first two schemes form the XPointer Recommendation, and provide a minimal inventory of mechanisms.
The xpointer() scheme, which is based on the XML Path Language (XPath), is still under
Abstract
This specification defines the XML Pointer Language (XPointer), the language to be used as the basis for a fragment identifier for any URI reference that locates a resource whose Internet media type is one of text/xml, application/xml, text/xml-external-parsed-entity, or application/xml-external-parsed-entity.
Status of this Document
This document has been superceded.
The design described in previous versions of this document has been factored into a basic framework (http://www.w3.org/TR/xptr-framework/) which defines XPointer schemes