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

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

[ebuild  N     ] dev-build/netsurf-buildsystem-1.10::gentoo  39 KiB
[ebuild  N     ] dev-libs/libparserutils-0.2.5:0/0.2.5::gentoo  USE="iconv -test" 73 KiB
[ebuild  N     ] net-libs/libhubbub-0.3.8:0/0.3.8::gentoo  USE="-doc -test" 763 KiB

Total: 3 packages (3 new), Size of downloads: 874 KiB