Install gnu-smalltalk-el by entering the following commands in the terminal:
sudo apt update sudo apt install gnu-smalltalk-el
Description:
GNU Smalltalk Emacs front-end
This package contains an Emacs major mode for editing Smalltalk code. . This mode features syntax highlighting, auto indentation and interaction with GNU Smalltalk. . For more information on GNU Smalltalk see the gnu-smalltalk package.
Homepage: http://smalltalk.gnu.org
Version: 3.2.5-1.1
Section: universe/lisp