Version 4.0 of package Smalltalk-Mode has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Smalltalk-Mode describes itself as: ===================================================== Major mode for the GNU Smalltalk programming language ===================================================== More at https://elpa.gnu.org/packages/smalltalk-mode.html ## Summary: Major mode to edit GNU Smalltalk code (https://smalltalk.gnu.org/) and interact with an inferior GST interactive session. ## Recent NEWS: New in 4.0: - Completely rewritten indentation code, which now relies on SMIE - Support for `prettify-symbols-mode' - Use `electric-indent-mode'
