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

Calculating dependencies ... done!
Dependency resolution took 1.65 s (backtrack: 0/20).

[ebuild  N     ] media-libs/aalib-1.4_rc5-r11::gentoo  USE="X gpm -slang" 382 KiB
[ebuild     U  ] media-gfx/graphviz-15.1.0:0/6.8.7.2.4::gentoo [14.1.3:0/6.8.7.2.4::gentoo] USE="X aalib%* cairo nls python -devil -doc -examples -gtk2 -gts -guile -lasi -pdf -perl -postscript -qt6 -ruby -svg -tcl -webp" GUILE_SINGLE_TARGET="3-0 -2-2" PYTHON_SINGLE_TARGET="python3_14* -python3_12 -python3_13* (-python3_15) (-python3_11%)" 20483 KiB

Total: 2 packages (1 upgrade, 1 new), Size of downloads: 20865 KiB