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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] app-arch/lzlib-1.16::gentoo  USE="-verify-sig" 115 KiB
[ebuild  N     ] app-arch/plzip-1.13::gentoo  USE="-verify-sig" 90 KiB

Total: 2 packages (2 new), Size of downloads: 204 KiB