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

Calculating dependencies ... done!
Dependency resolution took 1.09 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libvformat-1.13-r3::gentoo  270 KiB
[ebuild  N     ] net-mail/lbdb-0.47::gentoo  USE="crypt -abook -bbdb -evo -finger -ldap -pda -test" 179 KiB

Total: 2 packages (2 new), Size of downloads: 448 KiB