Michael Heerdegen <michael_heerdegen@web.de> writes:

>> I agree, the patch is good as it is now, I'd like to have it
>> installed.
>
> Done.

Thanks!

> FWIW, if you would like me to push this: I have implemented the sliding
> window algorithm as suggested by John, but commented it out, and added a
> (hopefully not too wordy) note why we raise an error for now for
> negative indexes:

I'd rather keep it as it is, at least for now.

Cheers,
Nico