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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] media-libs/libxmi-1.3-r2::gentoo  253 KiB
[ebuild  N     ] media-libs/plotutils-2.6-r3::gentoo  USE="X png" 3572 KiB

Total: 2 packages (2 new), Size of downloads: 3825 KiB