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

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/tinyxml2-11.0.0:0/11::gentoo  USE="-test" 628 KiB
[ebuild  N     ] app-text/rarian-0.8.6-r1::gentoo  USE="-test" 368 KiB

Total: 2 packages (2 new), Size of downloads: 996 KiB