Install xemacs21-basesupport by entering the following commands in the terminal:
sudo apt update sudo apt install xemacs21-basesupport
Description:
Editor and kitchen sink -- compiled elisp support files
This package contains the base extra elisp files in order to have a functioning xemacs21 package. . This package contains only the compiled elisp files.
Version: 2009.02.17.dfsg.2-4
Section: universe/editors