July 2002
Intermediate to advanced
560 pages
11h 10m
English
Content preview from Secure XML: The New Syntax for Signatures and Encryption
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7.3. XPointer
XPointer is the syntax you use for the most general addressing of parts of an XML object [XPointer]. When an HTTP URI references XML, any fragment specifier to select a portion of the XML is written in XPointer syntax. XPointer can also be called explicitly to extract a subset of data (see Chapter 19). Note that XPointer does not include any way to point into the DTD or XML declaration for a document.
XPointer extends XPath so that you can use it in the following ways:
As a fragment identifier in a URI reference
To locate information by string matching
To address points and ranges within XML
 | In XML Security URIs, you should rarely encounter ... |
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