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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] app-text/htmldoc-1.9.16-r1::gentoo  USE="ssl -fltk" 3311 KiB

Total: 1 package (1 new), Size of downloads: 3311 KiB