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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/unibilium-2.1.4:0/4::gentoo  124 KiB
[ebuild  N     ] dev-libs/libtermkey-0.22-r2::gentoo  USE="-demos" 46 KiB

Total: 2 packages (2 new), Size of downloads: 169 KiB