Kent Karlsson wrote: > unless one sees 'zh' as an alias for 'cmn'... <http://www.sil.org/ISO639-3/documentation.asp?id=zho> ISO 639-3 claims that 'zho' is an alias for 'zh', not 'cmn'. IMO a reason why adding ISO 639-3 to the IANA subtag registry without stating what is what could create a huge mess. Frank