portage-ng --merge
>>> Emerging : portage://sys-apps/man-pages-6.16-r2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-apps/man-pages-6.16-r2
│ └─ file ─┤ 1.79 Mb man-pages-6.16.tar.xz
│ │ 5.02 Kb man-pages-gentoo-2.tar.bz2
└─step 2─┤ downgrade portage://sys-apps/man-pages-6.16-r2 (replaces pkg://sys-apps/man-pages-6.17-r1)
│ └─ conf ─┤ USE = "-verify-sig"
│ │ L10N = "-cs -da -de -el -es -fi -fr -hu -id -it -ja -ko -mk -nb -nl -pl -pt-BR -ro -ru -sr -sv -uk -vi -zh-CN"
└─step 3─┤ run portage://sys-apps/man-pages-6.16-r2
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
1.80 Mb to be downloaded.