xref: /freebsd/lib/libc/locale/big5.5 (revision 8aaffd78c0f517985c12fd1e3cbceeb6c6b98ef5)
1.\" Copyright (c) 2002, 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 April 1, 2020
26.Dt BIG5 5
27.Os
28.Sh NAME
29.Nm big5
30.Nd
31.Dq "Big Five"
32encoding for Traditional Chinese text
33.Sh SYNOPSIS
34.Nm ENCODING
35.Qq BIG5
36.Sh DESCRIPTION
37.Dq Big Five
38is a standard for encoding Traditional Chinese text.
39Each character is represented by either one or two bytes.
40Characters from the ASCII character set are represented as
41single bytes in the range 0x00 - 0x7F.
42Traditional Chinese characters are represented by two bytes:
43the first in the range 0xA1 - 0xFE, the second in the range
440x40 - 0xFE.
45.Sh SEE ALSO
46.Xr euc 5 ,
47.Xr gb18030 5 ,
48.Xr utf8 5
49.Sh BUGS
50The range of the second byte overlaps some ASCII characters, including
510x5C
52.Pq Ql \e
53and 0x7C
54.Pq Ql |
55which may cause problems in program execution or
56display.
57Big5 is considered a legacy standard and only preserved for backward
58compatibility reason.
59New documents and systems are suggested using UTF-8 directly.
60