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

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/File-MMagic-1.300.0-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 22 KiB
[ebuild  N     ] app-text/namazu-2.0.21::gentoo  USE="nls -emacs -static-libs -tk" L10N="-ja" 1362 KiB
[ebuild  N     ] net-mail/nmzmail-1.1-r2::gentoo  93 KiB

Total: 3 packages (3 new), Size of downloads: 1476 KiB