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

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libutf8proc-2.12.0:0/2.12.0::gentoo  USE="-cjk -static-libs -test" 200 KiB
[ebuild  N     ] app-i18n/unicode-data-18.0.0::gentoo  13671 KiB
[ebuild  N     ] dev-libs/tllist-1.1.0::gentoo  8 KiB
[ebuild  N     ] media-libs/fcft-3.3.2::gentoo  USE="harfbuzz libutf8proc -examples -test -verify-sig" 723 KiB

Total: 4 packages (4 new), Size of downloads: 14601 KiB