On Tue, 20 Mar 2012, Richard Sandiford wrote:

> If Mike or anyone is up to doing that, then great.  But if instead it's 
> just a case of handling zero correctly, moving rather than removing the 
> assert seems safer.
> I'm obviously not explaining this well :-)

Actually you did.  I've tried yesterday to come up with a text that would 
do the same (because I agree with you that deleting the assert changes 
the spec of the function, simply because the assert _is_ part of the 
spec of the function), and my attempt was _much_ worse than yours, so I 
didn't send it :)


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