These ebuilds come from http://overlays.gentoo.org/proj/emacs/.
If you have some problems, go to the official site first.
emacs : The extensible, customizable, self-documenting real-time display editor ( http://www.gnu.org/software/emacs/ )
ermacs : An Emacs clone in Erlang ( http://fresh.homeunix.net/~luke/ermacs/ )
xemacs : highly customizable open source text editor and application development system ( http://www.xemacs.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org