[Issue 11738] partialShuffle actually shuffles the entire input

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=11738

--- Comment #3 from Joseph Rushton Wakeling <joseph.wakeling at webdrake.net> ---
(In reply to Ivan Kazmenko from comment #2)
> Disclaimer: I may have misunderstood the issue, in which case, please
> explain what is the intent here.

At first glance, I reckon it's my screw-up misinterpreting the documentation. 
Sorry about that. :-(

I'm not sure how much time I have in the near future, but I don't object to the
original patch being reverted.

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