1*0d5acd74SJohn Marino.\" Copyright (c) 2002, 2003 Tim J. Robbins 2*0d5acd74SJohn Marino.\" All rights reserved. 3*0d5acd74SJohn Marino.\" 4*0d5acd74SJohn Marino.\" Redistribution and use in source and binary forms, with or without 5*0d5acd74SJohn Marino.\" modification, are permitted provided that the following conditions 6*0d5acd74SJohn Marino.\" are met: 7*0d5acd74SJohn Marino.\" 1. Redistributions of source code must retain the above copyright 8*0d5acd74SJohn Marino.\" notice, this list of conditions and the following disclaimer. 9*0d5acd74SJohn Marino.\" 2. Redistributions in binary form must reproduce the above copyright 10*0d5acd74SJohn Marino.\" notice, this list of conditions and the following disclaimer in the 11*0d5acd74SJohn Marino.\" documentation and/or other materials provided with the distribution. 12*0d5acd74SJohn Marino.\" 13*0d5acd74SJohn Marino.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14*0d5acd74SJohn Marino.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15*0d5acd74SJohn Marino.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16*0d5acd74SJohn Marino.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17*0d5acd74SJohn Marino.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18*0d5acd74SJohn Marino.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19*0d5acd74SJohn Marino.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20*0d5acd74SJohn Marino.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21*0d5acd74SJohn Marino.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22*0d5acd74SJohn Marino.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23*0d5acd74SJohn Marino.\" SUCH DAMAGE. 24*0d5acd74SJohn Marino.\" 25*0d5acd74SJohn Marino.\" $FreeBSD: head/lib/libc/locale/gb18030.5 131608 2004-07-05 06:39:03Z ru $ 26*0d5acd74SJohn Marino.\" 27*0d5acd74SJohn Marino.Dd August 10, 2003 28*0d5acd74SJohn Marino.Dt GB18030 5 29*0d5acd74SJohn Marino.Os 30*0d5acd74SJohn Marino.Sh NAME 31*0d5acd74SJohn Marino.Nm gb18030 32*0d5acd74SJohn Marino.Nd "GB 18030 encoding method for Chinese text" 33*0d5acd74SJohn Marino.Sh SYNOPSIS 34*0d5acd74SJohn Marino.Nm ENCODING 35*0d5acd74SJohn Marino.Qq GB18030 36*0d5acd74SJohn Marino.Sh DESCRIPTION 37*0d5acd74SJohn MarinoThe 38*0d5acd74SJohn Marino.Nm GB18030 39*0d5acd74SJohn Marinoencoding implements GB 18030-2000, a PRC national standard for the encoding of 40*0d5acd74SJohn MarinoChinese characters. 41*0d5acd74SJohn MarinoIt is a superset of the older GB\ 2312-1980 and GBK encodings, 42*0d5acd74SJohn Marinoand incorporates Unicode's Unihan Extension A completely. 43*0d5acd74SJohn MarinoIt also provides code space for all Unicode 3.0 code points. 44*0d5acd74SJohn Marino.Pp 45*0d5acd74SJohn MarinoMultibyte characters in the 46*0d5acd74SJohn Marino.Nm GB18030 47*0d5acd74SJohn Marinoencoding can be one byte, two bytes, or 48*0d5acd74SJohn Marinofour bytes long. 49*0d5acd74SJohn MarinoThere are a total of over 1.5 million code positions. 50*0d5acd74SJohn Marino.Pp 51*0d5acd74SJohn Marino.No GB\ 11383-1981 Pq Tn ASCII 52*0d5acd74SJohn Marinocharacters are represented by single bytes in the range 0x00 to 0x7F. 53*0d5acd74SJohn Marino.Pp 54*0d5acd74SJohn MarinoChinese characters are represented as either two bytes or four bytes. 55*0d5acd74SJohn MarinoCharacters that are represented by two bytes begin with a byte in the range 56*0d5acd74SJohn Marino0x81-0xFE and end with a byte either in the range 0x40-0x7E or 0x80-0xFE. 57*0d5acd74SJohn Marino.Pp 58*0d5acd74SJohn MarinoCharacters that are represented by four bytes begin with a byte in the range 59*0d5acd74SJohn Marino0x81-0xFE, have a second byte in the range 0x30-0x39, a third byte in the range 60*0d5acd74SJohn Marino0x81-0xFE and a fourth byte in the range 0x30-0x39. 61*0d5acd74SJohn Marino.Sh SEE ALSO 62*0d5acd74SJohn Marino.Xr euc 5 , 63*0d5acd74SJohn Marino.Xr gb2312 5 , 64*0d5acd74SJohn Marino.Xr gbk 5 , 65*0d5acd74SJohn Marino.Xr utf8 5 66*0d5acd74SJohn Marino.Rs 67*0d5acd74SJohn Marino.%T "Chinese National Standard GB 18030-2000: Information Technology -- Chinese ideograms coded character set for information interchange -- Extension for the basic set" 68*0d5acd74SJohn Marino.%D "March 2000" 69*0d5acd74SJohn Marino.Re 70*0d5acd74SJohn Marino.Rs 71*0d5acd74SJohn Marino.%Q "The Unicode Consortium" 72*0d5acd74SJohn Marino.%T "The Unicode Standard, Version 3.0" 73*0d5acd74SJohn Marino.%D "2000" 74*0d5acd74SJohn Marino.Re 75*0d5acd74SJohn Marino.Sh STANDARDS 76*0d5acd74SJohn MarinoThe 77*0d5acd74SJohn Marino.Nm GB18030 78*0d5acd74SJohn Marinoencoding is believed to be compatible with GB 18030-2000. 79