These ebuilds come from http://ebuild.gentoo.gr.jp/.
If you have some problems, go to the official site first.
hatena-vim : vim plugin: update hatena diary(http://d.hatena.ne.jp) with vim. ( http://tokyoenvious.xrea.jp/b/vim/hatena_vim.html )
skk : vim plugin: Japanese Input Plugin SKK ( http://www.vim.org/scripts/script.php?script_id=1589 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoojp
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoojp-portage
If you have a problem : ycarus(-at-)zugaina.org