[Cython] [Pyrex] Language stability

[Greg Ewing]

Jim Kleckner wrote:
> Robert Bradshaw wrote:
> 
>> for x in 0 <= x < A():
>>      print x
>>
>> This is valid Python (prints 3, 4, 5, 6), and would act completely  
>> differently under your proposal.
> 
> This seems to me to demonstrate quite well that the newer syntax
> is less desirable than the old.

Not sure I follow -- the new syntax isn't ambiguous.
It can't be an ordinary for-loop, because it doesn't
have an 'in' in it.

-- 
Greg