Ri for (X)Emacs is a (X)Emacs extension that acts as a convenient wrapper
around ri.  It has autocompletion, nice colored output, it will ask for a
class name if needed.  It is indispensible when coding Ruby with Emacs!

Author:	Kristof Bastiaensen <kristof@vleeuwen.org>
WWW: http://rubyforge.org/projects/ri-emacs/