run-help generalized

[William Scott <wgscott@xxxxxxxxxxxxxxxxxx>]

Hi Bart:

> Not without rewriting the run-help function, but of course you're free
> to do that.

OK, here it is:

http://babyurl.com/C562fl

(run-help for $HELPDIR having multiple entries).

Doubtless others could do it better, but it seems to work (at least in 
my hands).

Bill