This is emacs major mode for editing Ruby code. I suggest app-emacs/ruby-mode.
Created attachment 12842 [details] ruby-mode-1.6.8.ebuild (New Package)
Created attachment 12843 [details] ruby-mode-1.6.8.ebuild (New Package)
Created attachment 12844 [details] ruby-mode-1.6.8.ebuild (New Package)
added to portage matt