This method for entering a string involves the use of backslashes as escape characters.
\n newline \f form feed \r return \\ \ \" " \t tab \xxx ascii character with octal value xxx \uxxxx unicode character with hex value xxxx, encoded with utf-8
i1 : x = " \" \f \r \\ \t \013 \u4f60 ";
i2 : ascii x o2 = {32, 34, 32, 12, 32, 13, 32, 92, 32, 9, 32, 11, 32, 228, 189, 160, 32} o2 : List
i3 : utf8 x o3 = {32, 34, 32, 12, 32, 13, 32, 92, 32, 9, 32, 11, 32, 20320, 32} o3 : List