Install cl-flexichain by entering the following commands in the terminal:
sudo apt update sudo apt install cl-flexichain
Description:
An efficient gap buffer with a well-defined external protocol
The flexichain Common Lisp protocol allows client code to dynamically add elements to, and delete elements from a sequence (or chain) of such elements.
Homepage: http://common-lisp.net/project/flexichain/
Version: 1.5.1.dfsg.1-3
Section: universe/devel