1.\" Copyright (c) 2003 Tim J. Robbins 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd August 10, 2003 28.Dt GBK 5 29.Os 30.Sh NAME 31.Nm gbk 32.Nd "Guojia biaozhun kuozhan (GBK) encoding method for Chinese text" 33.Sh SYNOPSIS 34.Nm ENCODING 35.Qq GBK 36.Sh DESCRIPTION 37GBK is a backwards-compatible extension of the GB\ 2312-1980 encoding 38method for Chinese text, which adds the characters defined in the 39Unified Han portion of the Unicode 2.1 standard. 40.Pp 41Multibyte characters in the GBK 42encoding can be one byte or two bytes long. 43.No GB\ 11383-1981 Pq Tn ASCII 44characters are represented by single bytes in the range 0x00 to 0x7F. 45Chinese characters are represented by two bytes, beginning with a byte in 46the range 0x80-0xFE and ending with a byte in the range 0x40-0xFE. 47.Sh SEE ALSO 48.Xr euc 5 , 49.Xr gb18030 5 , 50.Xr gb2312 5 , 51.Xr utf8 5 52.Rs 53.%Q "The Unicode Consortium" 54.%T "The Unicode Standard, Version 2.1" 55.%D "1999" 56.Re 57.Rs 58.%T "Chinese National Standard GB 18030-2000: Information Technology -- Chinese ideograms coded character set for information interchange -- Extension for the basic set" 59.%D "March 2000" 60.Re 61.Sh STANDARDS 62GBK is not a standard, but has been superseded by 63GB\ 18030-2000. 64