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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild   R    ] app-text/docbook-xsl-ns-stylesheets-1.79.1::gentoo  USE="-ruby" 21448 KiB

Total: 1 package (1 reinstall), Size of downloads: 21448 KiB