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

Calculating dependencies ... done!
Dependency resolution took 1.05 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/yajl-2.1.0-r6:0/2::gentoo  83 KiB
[ebuild  N     ] media-libs/raptor-2.0.16-r1:2::gentoo  USE="json -debug -static-libs" 1710 KiB

Total: 2 packages (2 new), Size of downloads: 1792 KiB