Octal_Hex_Syntax

 In VSI Fortran, you can use the following alternative syntax for
 octal and hexadecimal constants:

                 Alternative Syntax   Equivalent
                 ------------------   ----------
    Octal        '0..7'O              O'0..7'
    Hexadecimal  '0..F'X              Z'0..F'

 In the above syntax forms, you can use a quotation mark(") in place
 of an apostrophe (').