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           mapscrn [-v] [-o map.orig] mapfile


           The  mapscrn  command  is  obsolete - its function is now built-in into
           setfont.  However, for backwards compatibility it is still available as
           a separate command.
           The mapscrn command loads a user defined output character mapping table
           into the console driver. The console driver may be later put  into  use
           user-defined mapping table mode by outputting a special escape sequence
           to the console device.  This sequence is <esc>(K for the  G0  character
           set and <esc>)K for the G1 character set.  When the -o option is given,
           the old map is saved in map.orig.


           There are two kinds of mapping tables: direct-to-font tables, that give
           a  font  position  for each user byte value, and user-to-unicode tables
           that give a unicode value for each user byte. The  corresponding  glyph
           is now found using the unicode index of the font.  The command
                  mapscrn trivial
           sets  up  a  one-to-one  direct-to-font table where user bytes directly
           address the font. This is useful for fonts that are in the  same  order
           as the character set one uses.  A command like
                  mapscrn 8859-2
           sets  up  a  user-to-unicode  table that assumes that the user uses ISO


           The mapscrn command can read the map in either of two formats:
           1. 256 or 512 bytes binary data
           2. two-column text file
           Format (1) is a direct image of the translation  table.  The  256-bytes
           tables  are  direct-to-font,  the  512-bytes tables are user-to-unicode
           tables.  Format (2) is used to fill the table  as  follows:  cell  with
           offset mentioned in the first column is filled with the value mentioned
           in the second column.  When values larger than 255 occur, or values are
           written  using  the U+xxxx notation, the table is assumed to be a user-
           to-unicode table, otherwise it is a direct-to-font table.
           Values in the file may be specified in one of several formats:
           1. Decimal: String of decimal digits not starting with '0'
           2. Octal: String of octal digits beginning with '0'.
           3. Hexadecimal: String of hexadecimal digits preceded by "0x".
           4. Unicode: String of four hexadecimal digits preceded by "U+".
           5. Character: Single character enclosed  in  single  quotes.  (And  the
           binary  value  is used.)  Note that blank, comma, tab character and '#'
           cannot be specified with this format.
           6. UTF-8  Character:  Single  (possibly  multi-byte)  UTF-8  character,
           enclosed in single quotes.
           Note that control characters (with codes < 32) cannot be re-mapped with

    Local 20 March 1993 MAPSCRN(8)


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