Policy for Requires in spec files supporting optional features

[Michael A. Peters]

On Mon, 2006-01-09 at 20:36 +0200, Ville Skyttä wrote:
> On Mon, 2006-01-09 at 18:13 +0000, Tim Jackson wrote:
> 
> > I believe that some other packaging systems have a
> > way of specifying "suggested dependencies", which is what's needed here,
> > but RPM doesn't (unless I'm missing something).
> 
> It does in >= 4.4 (Suggests:, Enhances:, Requires(missingok), maybe
> others (and maybe I don't remember the names accurately)) but I'm not
> aware of any frontends which would support that functionality.  Not sure
> about plain rpm CLI.
> 

Any idea where this is documented?
I can't find it.
If I can find it - I'd like to file an RFE with yum (for Suggests or
Enhances) so I can use it.

I Looked in ( /usr/share/doc/rpm-4.4.1) CHANGES dependencies spec
and the man page, and didn't find it.