Adding upstream version 6.05.01.upstream/6.05.01

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+.\" Copyright (C) 1994  Jochen Hein (Hein@Student.TU-Clausthal.de)
+.\"
+.\" SPDX-License-Identifier: GPL-2.0-or-later
+.\"
+.TH charmap 5 2022-10-30 "Linux man-pages 6.05.01"
+.SH NAME
+charmap \- character set description file
+.SH DESCRIPTION
+A character set description (charmap) defines all available characters
+and their encodings in a character set.
+.BR localedef (1)
+can use charmaps to create locale variants for different character sets.
+.SS Syntax
+The charmap file starts with a header that may consist of the
+following keywords:
+.TP
+.RI < code_set_name >
+is followed by the name of the character map.
+.TP
+.RI < 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 (#).
+.TP
+.RI < 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 (\e).
+.TP
+.RI < mb_cur_max >
+is followed by the maximum number of bytes for a character.
+The default value is 1.
+.TP
+.RI < mb_cur_min >
+is followed by the minimum number of bytes for a character.
+This value must be less than or equal than
+.RI < mb_cur_max >.
+If not specified, it defaults to
+.RI < mb_cur_max >.
+.PP
+The character set definition section starts with the keyword
+.I CHARMAP
+in the first column.
+.PP
+The following lines may have one of the two following forms to
+define the character set:
+.TP
+.RI < character >\  byte-sequence\ comment
+This form defines exactly one character and its byte sequence,
+.I comment
+being optional.
+.TP
+.RI < character >..< character >\  byte-sequence\ comment
+This form defines a character range and its byte sequence,
+.I comment
+being optional.
+.PP
+The character set definition section ends with the string
+.IR "END CHARMAP" .
+.PP
+The character set definition section may optionally be followed by a
+section to define widths of characters.
+.PP
+The
+.I WIDTH_DEFAULT
+keyword can be used to define the default width for all characters
+not explicitly listed.
+The default character width is 1.
+.PP
+The width section for individual characters starts with the keyword
+.I WIDTH
+in the first column.
+.PP
+The following lines may have one of the two following forms to
+define the widths of the characters:
+.TP
+.RI < character >\  width
+This form defines the width of exactly one character.
+.TP
+.RI < character >...< character >\  width
+This form defines the width for all the characters in the range.
+.PP
+The width definition section ends with the string
+.IR "END WIDTH" .
+.SH FILES
+.TP
+.I /usr/share/i18n/charmaps
+Usual default character map path.
+.SH STANDARDS
+POSIX.2.
+.SH EXAMPLES
+The Euro sign is defined as follows in the
+.I UTF\-8
+charmap:
+.PP
+.nf
+<U20AC>     /xe2/x82/xac EURO SIGN
+.fi
+.SH SEE ALSO
+.BR iconv (1),
+.BR locale (1),
+.BR localedef (1),
+.BR locale (5),
+.BR charsets (7)