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

Calculating dependencies ... done!
Dependency resolution took 1.12 s (backtrack: 0/20).

[ebuild  N     ] x11-libs/libXcursor-1.2.3::gentoo  USE="-doc" 286 KiB
[ebuild  N     ] x11-libs/libXinerama-1.1.6::gentoo  USE="-doc" 263 KiB
[ebuild  N     ] x11-libs/fltk-1.3.8:1::gentoo  USE="cairo opengl (static-libs) threads xft xinerama -debug -doc -examples -games" 5211 KiB
[ebuild  N     ] www-client/dillo-3.2.0::gentoo  USE="gif jpeg openssl png ssl xembed -debug -doc -mbedtls -test" 1069 KiB

Total: 4 packages (4 new), Size of downloads: 6827 KiB