Add a fairly minimal manual page for the GBK encoding.

2 files changed, 63 insertions, 1 deletions

diff --git a/lib/libc/locale/Makefile.inc b/lib/libc/locale/Makefile.inc
index feab8b6..23ea555 100644
--- a/lib/libc/locale/Makefile.inc
+++ b/lib/libc/locale/Makefile.inc
@@ -31,7 +31,7 @@ MAN+=	btowc.3 \
 	wcsrtombs.3 wcstod.3 wcstol.3 \
 	wctrans.3 wctype.3 wcwidth.3
 MAN+=	euc.4 utf2.4
-MAN+=	big5.5 gb18030.5 mskanji.5 utf8.5
+MAN+=	big5.5 gb18030.5 gbk.5 mskanji.5 utf8.5
 
 MLINKS+=btowc.3 wctob.3
 MLINKS+=isdigit.3 isnumber.3
diff --git a/lib/libc/locale/gbk.5 b/lib/libc/locale/gbk.5
new file mode 100644
index 0000000..fdff489
--- /dev/null
+++ b/lib/libc/locale/gbk.5
@@ -0,0 +1,62 @@
+.\" Copyright (c) 2003 Tim J. Robbins
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.Dd August 10, 2003
+.Dt GBK 5
+.Os
+.Sh NAME
+.Nm gbk
+.Nd "Guojia biaozhun kuozhan (GBK) encoding method for Chinese text"
+.Sh SYNOPSIS
+.Nm ENCODING
+.Qq GBK
+.Sh DESCRIPTION
+GBK is a backwards-compatible extension of the GB\ 2312-1980 encoding
+method for Chinese text, which adds the characters defined in the
+Unified Han portion of the Unicode 2.1 standard.
+.Pp
+Multibyte characters in the GBK
+encoding can be one byte or two bytes long.
+.No GB\ 11383-1981 ( Ns
+.Tn ASCII )
+characters are represented by single bytes in the range 0x00 to 0x7F.
+Chinese characters are represented by two bytes, beginning with a byte in
+the range 0x80-0xFE and ending with a byte in the range 0x40-0xFE.
+.Sh SEE ALSO
+.Xr euc 4 ,
+.Xr gb18030 5 ,
+.Xr utf8 5
+.Rs
+.%Q "The Unicode Consortium"
+.%T "The Unicode Standard, Version 2.1"
+.%D "1999"
+.Re
+.Rs
+.%T "Chinese National Standard GB 18030-2000: Information Technology -- Chinese ideograms coded character set for information interchange -- Extension for the basic set"
+.%D "March 2000"
+.Re
+.Sh STANDARDS
+GBK is not a standard, but has been superceded by
+GB\ 18030-2000.