setf not working

[Didier Verna]

Willem Broekema <metawilm at gmail.com> wrote:

> The value that is assigned, that is the problem. That is probably a
> modified literal list.

  You're absolutely right. I hadn't realized it but I was doing exactly that:

http://stackoverflow.com/questions/8962909/why-does-this-function-return-a-different-value-every-time/8963438

Thanks for spotting this!

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