These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] sys-apps/tcp-wrappers-7.6.31-r2::gentoo  USE="-netgroups (-selinux)" 141 KiB
[ebuild  N     ] acct-group/rwhoisd-0-r2::gentoo  0 KiB
[ebuild  N     ] acct-user/rwhoisd-0-r2::gentoo  0 KiB
[ebuild  N     ] net-misc/rwhoisd-1.5.9.6_p2::gentoo  559 KiB

Total: 4 packages (4 new), Size of downloads: 700 KiB