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

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] x11-libs/libxkbfile-1.2.0::gentoo  57 KiB
[ebuild  N     ] x11-libs/neXtaw-0.15.1-r5::gentoo  564 KiB

Total: 2 packages (2 new), Size of downloads: 621 KiB