rhtml --- mmm-free mode for editing .rhtml files using Emacs
 
Can be used with Rinari (http://github.com/eschulte/rinari/tree/master)
 
to use download this directory and place it in your elisp directory,
then include the following in you emacs .init file
 
;;; rhtml mode
(add-to-list 'load-path "~/path/to/rhtml")
(require 'rhtml-mode)