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.\" $FreeBSD$ 26.\" 27.Dd April 1, 2020 28.Dt BIG5 5 29.Os 30.Sh NAME 31.Nm big5 32.Nd 33.Dq "Big Five" 34encoding for Traditional Chinese text 35.Sh SYNOPSIS 36.Nm ENCODING 37.Qq BIG5 38.Sh DESCRIPTION 39.Dq Big Five 40is a standard for encoding Traditional Chinese text. 41Each character is represented by either one or two bytes. 42Characters from the ASCII character set are represented as 43single bytes in the range 0x00 - 0x7F. 44Traditional Chinese characters are represented by two bytes: 45the first in the range 0xA1 - 0xFE, the second in the range 460x40 - 0xFE. 47.Sh SEE ALSO 48.Xr euc 5 , 49.Xr gb18030 5 , 50.Xr utf8 5 51.Sh BUGS 52The range of the second byte overlaps some ASCII characters, including 530x5C 54.Pq Ql \e 55and 0x7C 56.Pq Ql | 57which may cause problems in program execution or 58display. 59Big5 is considered a legacy standard and only preserved for backward 60compatibility reason. 61New documents and systems are suggested using UTF-8 directly. 62