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

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

[ebuild  N     ] x11-libs/gtkmathview-0.8.0-r6::gentoo  USE="-mathml -svg -t1lib" 965 KiB

Total: 1 package (1 new), Size of downloads: 965 KiB