To Require yelp or not to require yelp

[Bill Nottingham]

Toshio Kuratomi (a.badger at gmail.com) said: 
> BTW, I was wrong about the mime-type in the .desktop file being the key
> for selecting the application to use.  gnome-help which is a symlink to
> yelp is referenced from a gconf key::
>   /desktop/gnome/url-handlers/ghelp/command

So, rpm *does* need to synthesize a requires from the union of all users'
gconf keys. Fun!

Bill