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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] x11-libs/libdockapp-0.7.3:0/3::gentoo  USE="X -static-libs" 379 KiB
[ebuild  N     ] x11-plugins/wmtz-0.7_p20150816-r1::gentoo  19 KiB

Total: 2 packages (2 new), Size of downloads: 398 KiB