Return a vector of information of CHARSET.
This function is provided for backward compatibility.
The elements of the vector are:
CHARSET-ID, BYTES, DIMENSION, CHARS, WIDTH, DIRECTION,
REVERSE-CHARSET, SHORT-NAME, LONG-NAME, DESCRIPTION,
CHARSET-ID is always 0.
BYTES is always 0.
DIMENSION is the number of bytes of a code-point of the charset:
1, 2, 3, or 4.
CHARS is the number of characters in a dimension:
94, 96, 128, or 256.
WIDTH is always 0.
DIRECTION is always 0.
LEADING-CODE-BASE is always 0.
LEADING-CODE-EXT is always 0.
ISO-FINAL-CHAR (character) is the final character of the
corresponding ISO 2022 charset. If the charset is not assigned
any final character, the value is -1.
ISO-GRAPHIC-PLANE is always 0.
REVERSE-CHARSET is always -1.
SHORT-NAME (string) is the short name to refer to the charset.
LONG-NAME (string) is the long name to refer to the charset
DESCRIPTION (string) is the description string of the charset.
PLIST (property list) may contain any type of information a user want to put and get by functions `put-charset-property' and `get-charset-property' respectively.