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

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

[ebuild  N     ] media-gfx/mscgen-0.20-r1::gentoo  USE="png truetype -test" 201 KiB

Total: 1 package (1 new), Size of downloads: 201 KiB