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XML Standards

InterSystems IRIS® data platform XML support follows these standards:

The InterSystems IRIS SAX Parser uses the standard Xerces-C++ library, which complies with the XML 1.0 recommendation. For a list of these standards, see in a new tab.

InterSystems IRIS provides two XSLT processors:

  • The Xalan processor supports XSLT 1.0.

  • The Saxon processor supports XSLT 2.0.

Also see SOAP Standards and SOAP Security Standards.

For information on the character sets expected in XML, see the W3 web site ( in a new tab).


InterSystems IRIS does not support, within one element, multiple attributes with the same name, each in a different namespace.

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