ParseTable
CharByteTable table ; address of a character table
returns character has additional byte?
ParseTable Returns a 256-byte table that indicates for each byte value, when it appears as the first byte of a character, whether there is an additional
byte in the character (in the script of thePort->txFont)
table is the address of a text buffer where the character is stored.
Returns: a Boolean value indicating whether or not there is an additional byte in the character.