CJKV (character) CJK plus Vietnamese. Vietnamese, like the other three CJK languages, requires 16-bit character encodings but it does not use Han characters.
["CJKV Information Processing: Chinese, Japanese, Korean & Vietnamese Computing", Ken Lunde, pub. O'Reilly 1998, http://oreilly.com/catalog/cjkvinfo/]. Last updated: 2001-03-18
