SWI-Prolog -- iri_xml_namespace/2

Documentation
- Reference manual
- Packages
  - SWI-Prolog SGML/XML parser
    - Predicate Reference
      - XML documents
        
        XML Namespaces
        
        iri_xml_namespace/3
        
        iri_xml_namespace/2

Availability::- use_module(library(sgml)).(can be autoloaded)

[det]iri_xml_namespace(+IRI, -Namespace)

Same as iri_xml_namespace/3, but avoids creating an atom for the Localname.