Question about port reclaim and dependencies...

[Carlo Tambuatco]

Doing some routine cleaning up of old unecessary ports and I was wondering
how port treats duplicate ports... I realised I've got two instances of the
xrender port installed so I'll use this as an example.

I've got these two ports installed

 xrender @0.9.10_0
 xrender @0.9.10_0+universal (active)

and only the +universal variant is active. So does that mean that all
dependents of the
xrender port are really only dependent on the active version, through some
complex system of symlinks, and the inactive version is safe to uninstall
completely?

I'm just using this port as one example, but generalizing to other ports,
it is completely safe to uninstall the inactive versions of a duplicate
port because their dependents are dependent only on the active versions?

Have I got this right behind the scenes?
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