Detecting inadvertent use of integer division

[Don]

bearophile wrote:
> Don:
>> In the opPow thread there were a couple of mentions of inadvertent 
>> integer division, and how Python is removing this error by making / 
>> always mean floating-point division, and introducing a new operator for 
>> integer division.
> 
> In Pascal too (and OCaML, but the situation is different) they are separated. I think here having two operators is better, 

Why?

Niklaus Wirth was right again (but I don't know if D can grow another 
division operator, it's unlikely).
> 
> Bye,
> bearophile