"pgAdmin v1.10 and later versions are released under the PostgreSQL licence. Earlier versions are released under the Artistic licence."
04 Jul 2011; Aaron W. Swenson <titanofold@gentoo.org> pgadmin3-1.12.2.ebuild, pgadmin3-1.12.3.ebuild: Fixes bug 373841
This has regressed in 1.12.3-r1+; as far as I can tell, the license has not been changed back to Artistic.
21 Feb 2012; Aaron W. Swenson <titanofold@gentoo.org> pgadmin3-1.12.3-r1.ebuild, pgadmin3-1.14.0.ebuild, pgadmin3-1.14.1.ebuild, pgadmin3-1.14.1-r1.ebuild: Changed LICENSE from 'Artistic' to 'POSTGRESQL' fixing bug 373841.