[hornetblack]

The issue is for some programmers propensity to use ++ and -- whenever they can. So you end up with

    max(a++, b--)

Which expands to

    ((a++)>(b--)?(a++):(b--))

creating unexpected results. The solution is, don't use return values of `++` and `--` in calls, unless you know it's a function, and always will be. Upper-case macros may help, but then you need to make sure all macros are upper case.