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NAME

       charmap - character symbols to define character encodings

DESCRIPTION

       A  character  set  description  (charmap)  defines  a  character set of
       available characters and their encodings.  All supported character sets
       should have the portable character set as a proper subset.

   Syntax
       The  charmap  file  starts  with  a  header,  that  may  consist of the
       following keywords:

       <codeset>
              is followed by the name of the codeset.

       <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.

       <mb_cur_min>
              is followed by the min number of bytes for  a  character.   This
              value  must be less or equal than mb_cur_max.  If not specified,
              it defaults to mb_cur_max.

       <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 ( \ ).

       <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 ( # ).

       The charmap-definition itself starts with the keyword CHARMAP in column
       1.

       The following lines may have one of the two following forms  to  define
       the character-encodings:

       <symbolic-name> <encoding> <comments>
              This form defines exactly one character and its encoding.

       <symbolic-name>...<symbolic-name> <encoding> <comments>
              This  form  defines a couple of characters.  This is only useful
              for multibyte-characters, which are currently not implemented.

       The last line in a charmap-definition file must contain END CHARMAP.

   Symbolic Names
       A symbolic name  for  a  character  contains  only  characters  of  the
       portable  character  set.   The  name  itself is enclosed between angle
       brackets.  Characters following an  <escape_char>  are  interpreted  as
       itself;  for  example, the sequence <\\\>> represents the symbolic name
       \> enclosed in angle brackets.

   Character Encoding
       The encoding may be in each of the following three forms:

       <escape_char>d<number>
              with a decimal number

       <escape_char>x<number>
              with a hexadecimal number

       <escape_char><number>
              with an octal number.

FILES

       /usr/share/i18n/charmaps/*

CONFORMING TO

       POSIX.2.

SEE ALSO

       locale(1), localedef(1), localeconv(3), setlocale(3), locale(5)

COLOPHON

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       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

                                  1994-11-28                        CHARMAP(5)