On Thu, Apr 25, 2013 at 12:50 PM, Vadim A. Misbakh-Soloviov
<mva@mva.name> wrote:
> Hey, all!
>
> Just one question: why do you all talking about IUSE=+oldnet, but not
> REQUIRED_USE="^^ ( net oldnet )" for example?

It it isn't necessary for a system to have support for either oldnet
or newnet.  Sure, it is rare these days, but networking support should
be a default, not a requirement.