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+.\" Hey emacs, this is -*- nroff -*-
+.\"
+.\" This file is part of locale(1) which displays the settings of the 
+.\" current locale.
+.\" Copyright (C) 1994  Jochen Hein (Hein@Student.TU-Clausthal.de)
+.\"
+.\" This program is free software; you can redistribute it and/or modify
+.\" it under the terms of the GNU General Public License as published by
+.\" the Free Software Foundation; either version 2 of the License, or
+.\" (at your option) any later version.
+.\"
+.\" This program is distributed in the hope that it will be useful,
+.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
+.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+.\" GNU General Public License for more details.
+.\"
+.\" You should have received a copy of the GNU General Public License
+.\" along with this program; if not, write to the Free Software
+.\" Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+.\"
+.TH CHARMAP 5 1994-11-28 "National Language Support" "Linux User Manual"
+.SH NAME
+charmap \- character symbols to define character encodings
+.SH DESCRIPTION
+A character set description (charmap) defines a characterset of
+available characters and their encodings. All supported character
+sets should have the 
+.B portable character set
+as a proper subset.
+.\" Not true anymore:
+.\" The portable character set is defined in the file
+.\" .I /usr/lib/nls/charmap/POSIX
+.\" .I /usr/share/i18n/charmap/POSIX
+.\" for reference purposes.
+.SH SYNTAX
+The charmap file starts with a header, that may consist of the
+following keywords:
+.TP
+.I <codeset>
+is followed by the name of the codeset.
+.TP
+.I <mb_cur_max>
+is followed by the max number of bytes for a multibyte-character.
+Multibyte characters are currently not supported. The default value
+is 1.
+.TP
+.I <mb_cur_min>
+is followed by the min number of bytes for a character. This
+value must be less or equal than 
+.B mb_cur_max.
+If not specified, it defaults to
+.B mb_cur_max.
+.TP
+.I <escape_char>
+is followed by a character that should be used as the
+escape-character for the rest of the file to mark characters that
+should be interpreted in a special way. It defaults to 
+the backslash (
+.B \\\\  
+).
+.TP
+.I <comment_char>
+is followed by a character that will be used as the
+comment-character for the rest of the file. It defaults to the
+number sign (
+.B #
+).
+
+.PP
+The charmap-definition itself starts with the keyword
+.B CHARMAP
+in column 1.
+
+The following lines may have one of the two following forms to
+define the character-encodings:
+.TP
+.I <symbolic-name> <encoding> <comments>
+This form defines exactly one character and its encoding. 
+
+.TP
+.I <symbolic-name>...<symbolic-name> <encoding> <comments>
+This form defines a couple of characters. This is only useful for
+mutlibyte-characters, which are currently not implemented.
+
+.PP
+The last line in a charmap-definition file must contain
+.B END CHARMAP.
+.SH "SYMBOLIC NAMES"
+A 
+.B symbolic name
+for a character contains only characters of the 
+.B portable character set.
+The name itself is enclosed between angle brackets.
+Characters following an
+.B <escape_char> 
+are interpreted as itself; for example, the sequence
+.B '<\\\\\\\\\\\\>>'
+represents the symbolic name
+.B '\\\\>'
+enclosed in angle brackets.
+.SH "CHARACTER ENCODING"
+The
+encoding may be in each of the following three forms:
+.TP
+.I <escape_char>d<number>
+with a decimal number
+.TP
+.I <escape_char>x<number>
+with a hexadecimal number 
+.TP
+.I <escape_char><number>
+with an octal  number.
+
+.\" XXX - comments
+.\" XXX - char ... char
+
+.SH FILES
+.I /usr/share/i18n/charmaps/*
+.SH AUTHOR
+Jochen Hein (jochen.hein@delphi.central.de)
+.SH "CONFORMING TO"
+POSIX.2
+.SH "SEE ALSO"
+.BR locale (1),
+.BR localedef (1),
+.BR localeconv (3),
+.BR setlocale (3),
+.BR locale (5)