[plt-scheme] Dr. Scheme Function 'Remove'

The function got lost. I'll restore it this afternoon -- Matthias



On Jul 24, 2009, at 2:41 PM, Gadfly wrote:

> HtDP exercise 27.5.5 calls for the use of function 'remove'.  However,
> Dr. Scheme reports an error when remove is used: "reference to an
> identifier before its definition: remove."
>
> Any way to access this function?
>
> Thanks,
> Dave Yrueta
>
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