Mark H Weaver <mhw@netris.org> writes:
> Obviously the error message should be improved, but the upshot is this:
> if you want to use 'include' from the REPL, or from some other port with
> no associated filename, then you must pass it an absolute pathname.

Here's a patch to improve the error message.
I'll push it to stable-2.0 if there are no objections.

    Thanks,
      Mark