Filling positions based on consensus character Post: 302434202

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LEARN ABOUT OSF1

iso2022

iso2022(5)							File Formats Manual							iso2022(5)

NAME

       iso2022, iso-2022, ISO-2022 - A character encoding mechanism standardized by the International Standards Organization (ISO)

DESCRIPTION

       The ISO-2022 standard defines a mechanism for handling single-byte and multibyte characters. The standard specifies four classes of charac-
       ter sets: The 94-charset class, which contains character sets with 94 positions (single-byte characters).  Examples are the ASCII  and  JIS
       X0201 character sets.  The 96-charset class, which contains character sets with 96 positions (single-byte characters). Examples are the ISO
       Latin series of character sets.	The 94x94-charset class, which contains character sets with 94x94 positions (2-byte characters).  Examples
       are  the  GB  2312  and the CNS 11643 character sets.  The 96x96-charset class,	which contains character sets with 96x96 positions (2-byte
       characters).

       In the ISO-2022 standard, four registers, called G0, G1, G2 and G3, are used to reference a character set. Before a character  set  can	be
       used, the character set must be assigned, or designated, to one of these registers.  The designation of a character set is done by using an
       escape sequence in the following format:

       ESC [I] F

       In this format: Is an intermediate character that is used to designate a character set to one of the registers (G0, G1, G2, oR G3).   Is  a
       unique final character of a particular character set.

       The  designation of a character set, whose final character is F, to different registers is as follows: Designates a multibyte character set
       (94x94 or 96x96) to G0.	Designates a character set in the 94-charset class to G0.  Designates a character set in the 94-charset  class	to
       G1.   Designates  a  character  set in the 94-charset class to G2.  Designates a character set in the 94-charset class to G3.  Designates a
       character set in the 96-charset class to G1.  Designates a character set in the 96-charset class to G2.	Designates a character set in  the
       96-charset class to G3.

SEE ALSO

       Commands: locale(1)

       Others: ascii(5), i18n_intro(5), iso2022jp(5), l10n_intro(5)

																	iso2022(5)