/ALTERNATIVE_TOKENS
       /NOALTERNATIVE_TOKENS

    Enables use of the following operator keywords and digraphs to
    generate tokens:

    Operator
    Keyword         Token

    and             &&
    and_eq          &=
    bitand          &
    bitor           |
    compl           ~
    not             !
    not_eq          !=
    or              ||
    or_eq           |=
    xor             ^
    xor_eq          ^=

    Digraph Token

    :>      ]
    %:      #
    %>      }
    <%      {
    <:      [

    The default is /NOALTERNATIVE_TOKENS when compiling with the
    /STANDARD=ARM, /STANDARD=MS, or /STANDARD=RELAXED option.
    The default is /ALTERNATIVE_TOKENS when compiling with the
    /STANDARD=STRICT_ANSI or /STANDARD=GNU option. Specifying
    /ALTERNATIVE_TOKENS also defines the __ALTERNATIVE_TOKENS macro.