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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild   R    ] app-text/docbook-xsl-stylesheets-1.79.1-r4::gentoo  USE="-ruby" 21454 KiB

Total: 1 package (1 reinstall), Size of downloads: 21454 KiB