When trying to emerge monodevelop, I get the error:
emerge: there are no ebuilds to satisfy ">=dev-dotnet/webkit-sharp-0.2-r1".
(dependency required by "dev-util/mono-docbrowser-2.20130821-r2::dotnet[webkit]" [ebuild])
(dependency required by "dev-util/monodevelop-6.0.0.4761::dotnet[doc]" [ebuild])
(dependency required by "monodevelop" [argument])