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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] x11-libs/libxkbfile-1.2.0::gentoo  57 KiB
[ebuild  N     ] x11-libs/libXtst-1.2.5::gentoo  USE="-doc" 285 KiB
[ebuild  N     ] x11-misc/lineakd-0.9.0-r4::gentoo  USE="-debug" 969 KiB
[ebuild  N     ] x11-misc/lineak-defaultplugin-0.9.0-r3::gentoo  USE="-debug" 821 KiB

Total: 4 packages (4 new), Size of downloads: 2131 KiB