[R-gui] GUI for require(package)!

John,

I'll be interested to see what you come up with. I think that my solution is
probably sufficient for the Rcmdr package (actually, I can eliminate the

Yes, I'm sure your solution will be fine for Rcmdr.  Thanks for
sharing your code straight away.  I'll definitely think about a
nice way to use it (or a modified version) in my R-GUIs where I
have some more specific Bioconductor-related requirements.

Regards,
James