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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/libxml-perl-0.80.0-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 63 KiB
[ebuild  N     ] dev-perl/XML-RegExp-0.40.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 4 KiB
[ebuild  N     ] dev-perl/XML-DOM-1.460.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 115 KiB
[ebuild  N     ] dev-perl/Parse-Yapp-1.210.0-r1::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 107 KiB
[ebuild  N     ] dev-perl/XML-XQL-0.680.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 118 KiB

Total: 5 packages (5 new), Size of downloads: 405 KiB