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CHARMAP(5)                     Linux User Manual                    CHARMAP(5)



NAME
       charmap - character symbols to define character encodings

DESCRIPTION
       A character set description (charmap) defines a character set of avail-
       able 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 follow-
       ing keywords:

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

       <mb_cur_max>
              is followed by the max number of bytes for  a  multibyte-charac-
              ter.   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  porta-
       ble character set.  The name itself is enclosed between angle brackets.
       Characters following an <&lt;escape_char>&gt; are interpreted  as  itself;  for
       example,  the  sequence <&lt;\\\>&gt;>&gt; represents the symbolic name \>&gt; enclosed
       in angle brackets.

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

       &lt;escape_char&gt;d&lt;number&gt;
              with a decimal number

       &lt;escape_char&gt;x&lt;number&gt;
              with a hexadecimal number

       &lt;escape_char&gt;&lt;number&gt;
              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
       This page is part of release 3.05 of the Linux  man-pages  project.   A
       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)