>>> Emerging : portage://app-i18n/man-pages-l10n-4.31.0:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://app-i18n/man-pages-l10n-4.31.0 (l10n_vi)

 └─step  2─┤ download  portage://app-i18n/man-pages-l10n-4.31.0
             │           └─ file ─┤ 146.92 Mb  	 manpages-l10n-4.31.0.tar.bz2

Total: 2 actions (1 useflag, 1 download), grouped into 2 steps.
       146.92 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    app-i18n/man-pages-l10n l10n_vi