Ukrainian Character Set KOI8-U (RFC2319)
Original Publication Date: 1998-Apr-01
Included in the Prior Art Database: 2019-Feb-15
Internet Society Requests For Comment (RFCs)
This document provides information about character encoding KOI8-U (KOI8 Ukrainian) wich is a de-facto standard in Ukrainian Internet community. This memo provides information for the Internet community. It does not specify an Internet standard of any kind.
Network Working Group KOI8-U Working Group Request for Comments: 2319 April 1998 Category: Informational
Ukrainian Character Set KOI8-U
Status of this Memo
This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited.
Copyright (C) The Internet Society (1998). All Rights Reserved.
This document provides information about character encoding KOI8-U (KOI8 Ukrainian) wich is a de-facto standard in Ukrainian Internet community. KOI8-U is compatible with KOI8-R (RFC 1489) in all Russian letters and extends it with four Ukrainian letters which locations are compliant with ISO-IR-111. The official site of KOI8-U Working Group is http://www.net.ua.
This document provides information about character encoding KOI8-U (KOI8 Ukrainian) widely used in Ukrainian Internet community for mail and news exchange as well as for presentation of WWW information resources in Ukrainian language.
Originally, specification of proposed standard koi8-u was officially adopted by the conference of Postmasters of Ukrainian Internet Service Providers in Slavsk in Autumn of 1992 presented by Igor Sviridov from Kiev and Stas Vorony from Kharkiv. Later in June 1995 this specification was completed with UKRAINIAN GHE WITH UPTURN.
KOI8-U (KOI8 Ukrainian) is a de-facto standard supported in many operation systems and Internet user applications including encoding tables, fonts, locale support for many operating systems and environments.
MIME character set name: koi8-u
KOI8-U Working Group Informational [Page 1]
RFC 2319 Ukrainian Character Set KOI8-U April 1998
Relation to other RFCs
This standard is based on several published standards: RFC1489 (it is fully compatible in all Russian letters), RFC-1345, ISO-IR-111, ISO 10646.
Compatibility with other character sets
The lower part of the KOI8-U Ukrainian Character Set is a complete copy of ASCII, just as it’s used in KOI8-R and other non-ASCII codepages.
The upper part of the KOI8-U Character Set contains all Russian letters defined in KOI8-R and four Ukrainian letters (#164, #180 - ukr. ie, #166, #182 - ukr. i, #167, #183 - ukr. yi, #173, #189 - ukr. ghe with upturn) which locations are compliant with ISO-IR-111.
BOX DRAWINGS elements in the other positions (that are not used by Ukrainian letters) are the same as in KOI8-R character set. List of all differences between KOI8-R and proposed KOI8-U is given in APPENDIX A.
Specification of the upper part of KOI8-U codepage
The description of all characters of upper half part of KOI8-U codepage is given according to ISO 10646 Unicode Character Set (UCS).
KOI8-U charset table in RFC1345 format is given in Appendix B.
<decimal> <hex-code> <UCS> <description>
128 80 U2500 BOX DRAWINGS LIGHT HORIZONTAL 129 81 U2502 BOX DRAWINGS LIGHT VERTICAL 130 82 U250C BOX DRAWINGS LIGHT DOWN AND RIGHT 131 83 U2510 BOX DRAWINGS LIGHT DOWN AND LEFT 132 84 U2514 BOX DRAWINGS LIGH...