Install darcsum by entering the following commands in the terminal:
sudo apt update sudo apt install darcsum
Description:
pcl-cvs like interface for managing darcs patches
darcsum is an emacs interface for Darcs. It has a pcl-cvs like interface, and you can commit changes, edit change logs, review changes, etc...
Homepage: http://chneukirchen.org/repos/darcsum/
Version: 1.10+20120116-1
Section: universe/lisp