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

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/IO-String-1.80.0-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 8 KiB
[ebuild  N     ] dev-perl/Font-TTF-1.60.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 251 KiB
[ebuild  N     ] dev-perl/PDF-API2-2.45.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 3512 KiB

Total: 3 packages (3 new), Size of downloads: 3769 KiB