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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] net-libs/libnxml-0.18.5::gentoo  USE="-doc -examples" 37 KiB
[ebuild  N     ] net-libs/libmrss-0.19.2-r1::gentoo  USE="-doc -examples" 367 KiB

Total: 2 packages (2 new), Size of downloads: 403 KiB