Install cl-rfc2388 by entering the following commands in the terminal:
sudo apt update sudo apt install cl-rfc2388
Description:
implementation of RFC 2388 in Common Lisp
This package contains an implementation of RFC 2388, which is used to process form data posted with HTTP POST method using enctype "multipart/form-data".
Homepage: http://common-lisp.net/project/rfc2388/
Version: 20130720+dfsg-1
Section: universe/lisp