[Rd] docs, examples, man pages (PR#2711)

[Thomas Lumley]

On 31 Mar 2003, Peter Dalgaard BSA wrote:
> 							 However, we
> might consider building one of the other documents in the manual
> collection (which are written in texinfo) in info format and put it
> into the info tree for info-afficionados.
>

We already do this if the right tools are available at build time, and the
man page describes how to read it.

	-thomas