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8.7.3 Integer Type

(Corresponds to Section 4.3 of ANSI X3.9-1978 FORTRAN 77.)

An integer constant also may have one of the following forms:

     B'binary-digits'
     O'octal-digits'
     Z'hexadecimal-digits'
     X'hexadecimal-digits'

binary-digits, octal-digits, and hexadecimal-digits are nonempty strings of characters in the set 01, 01234567, and 0123456789ABCDEFabcdef, respectively. (The value for A (and a) is 10, for B and b is 11, and so on.)