[Yum] interaction of yum.conf 'exclude =' and 'yum update'

[skvidal@xxxxxxxxxxxx (seth vidal)]

> It is a fine answer -- it will NOT silently break packages, 
> which is enough for me.
> 

no - it won't.

I'd be strung up by my innards by people who are geographically MUCH
CLOSER to me if I did that.

-sv