On 2020-06-07 23:03, Mark Knecht wrote:
>
>
> On Sun, Jun 7, 2020 at 1:20 PM n952162 <n952162@web.de
> <mailto:n952162@web.de>> wrote:
> <SNIP>
> > I don't understand this - what can I add to @system to get @system
> to update?
> <SNIP>
>
> emerge -e @system

        --emptytree, -e
               Reinstalls target atoms and their entire deep dependency
tree, as though  no
               packages  are  currently installed. You should run this
with --pretend first
               to make sure the result is what you expect.

Oh, that's really the nuke option, isn't it.  Good to know about it.