[Rd] system.file("",package) (PR#1062)

[Thomas Lumley]

On Mon, 20 Aug 2001 ripley@stats.ox.ac.uk wrote:

>
> Rather than special-case system.file("",package), I think we should remove
> the `or \code{""}' from the documentation.
>
>

Yes. I didn't think so initially, but on reflection
  system.file(some.file,package="blah")
probably should return "" if some.file happens to be "" or have length 0.

	-thomas

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