Binary package “rabbit-mode” in ubuntu focal

Emacs-lisp rabbit-mode for writing RD document using Rabbit

 Rabbit is an application to do presentations with RD documents. RD is a
 simple, easy-to-read, and easy-to-write text format like Wiki. Rabbit has
 many noteworthy features, which distinguish this application from other
 presentation tools.
 .
 This package provides Emacs major-mode for editing RD document using Rabbit