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/xpa-2.1.18:0/1::gentoo  USE="-doc" 880 KiB

Total: 1 package (1 new), Size of downloads: 880 KiB