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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] media-libs/libpgf-7.21.7-r2::gentoo  USE="-doc" 2028 KiB

Total: 1 package (1 new), Size of downloads: 2028 KiB