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

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

[ebuild  N     ] app-editors/jasspa-microemacs-20091011-r4::gentoo  USE="-gui -nanoemacs -xpm" 2527 KiB

Total: 1 package (1 new), Size of downloads: 2527 KiB