'Returns an integer value for the comparison of the two symbols, '+'with case-sensitivity. The return value is less than 0 if '+'argument1 is less than argument2, 0 if argument1 equals '+'argument2, or greater than 0 if argument1 is greater than '+'argument2'
'Returns an integer value representing the position of the '+'first argument substring within the second argument, otherwise '+'FALSE if the first argument is not a substring of the second argument'