Normative References
The following normative documents contain provisions, which, through reference in this text, constitute provisions of this specification. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this specification are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards.
ISO/IEC 2382.1:1993, Information technology — Vocabulary — Part 1: Fundamental terms.
ISO/IEC 10646:2003 (all parts), Information technology — Universal Multiple-Octet Coded Character Set (UCS).