( ( oneOf
  =   operator
    .   !arg:%?operator ?arg
      & ( @(!sjt:!operator ?arg)&(!operator.!arg)
        | oneOf$!arg
        )
  )
& "a!===b=!=c":?unparsed
& "==" "!=" "=":?operators
&   whl
  ' ( @( !unparsed
       : ?nonOp [%(oneOf$!operators:(?operator.?unparsed))
       )
    & put$(!nonOp str$("{" !operator "} "))
    )
& put$!unparsed
& put$\n
);