The IfcLanguageId identifies the language in which a natural language text is expressed. It uses a language tag to identify the language.
NOTE The tag shall comply to the Internet Engineering Task Force (IETF) language tag as expressed in RFC 5646. A conforming program shall support the "simple language" subtag and the "language-region" tag format.
EXAMPLE for simple language tags en (English), de (German), fr (France), or ja (Japanese), and for language-region tags en-US (English as used in United States), de-CH (German as used in German speaking part of Switzerland).
NOTE See RFC 5646 for definition of language tag.
HISTORY New defined datatype in IFC4.
XSD Specification:<xs:simpleType name="IfcLanguageId">
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