why foreach() don't use 'auto'?

[ketmar]

> It is documented that code like the above is illegal:
yes, it is. but i think that 'auto' is a perfect fit there. it 
shouldn't do anything at all, but it is the convient way to mark 
variable 'locality'. it will not break any of the existing code 
yet will bring foreach() in line with 'every variable must be 
explicitly declared with some type' principle.