xref: /freebsd/lib/libc/locale/gbk.5 (revision 315ee00f)
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.Dd August 10, 2003
26.Dt GBK 5
27.Os
28.Sh NAME
29.Nm gbk
30.Nd "Guojia biaozhun kuozhan (GBK) encoding method for Chinese text"
31.Sh SYNOPSIS
32.Nm ENCODING
33.Qq GBK
34.Sh DESCRIPTION
35GBK is a backwards-compatible extension of the GB\ 2312-1980 encoding
36method for Chinese text, which adds the characters defined in the
37Unified Han portion of the Unicode 2.1 standard.
38.Pp
39Multibyte characters in the GBK
40encoding can be one byte or two bytes long.
41.No GB\ 11383-1981 Pq Tn ASCII
42characters are represented by single bytes in the range 0x00 to 0x7F.
43Chinese characters are represented by two bytes, beginning with a byte in
44the range 0x80-0xFE and ending with a byte in the range 0x40-0xFE.
45.Sh SEE ALSO
46.Xr euc 5 ,
47.Xr gb18030 5 ,
48.Xr gb2312 5 ,
49.Xr utf8 5
50.Rs
51.%Q "The Unicode Consortium"
52.%T "The Unicode Standard, Version 2.1"
53.%D "1999"
54.Re
55.Rs
56.%T "Chinese National Standard GB 18030-2000: Information Technology -- Chinese ideograms coded character set for information interchange -- Extension for the basic set"
57.%D "March 2000"
58.Re
59.Sh STANDARDS
60GBK is not a standard, but has been superseded by
61GB\ 18030-2000.
62