Install elpa-markdown-mode by entering the following commands in the terminal:
sudo apt update sudo apt install elpa-markdown-mode
Description:
mode for editing Markdown-formatted text files in GNU Emacs.
The mode provides syntax highlighted, and keyboard shortcuts for editing, compiling and previewing Markdown.
Homepage: http://jblevins.org/projects/markdown-mode/
Version: 2.3+154-1
Section: universe/lisp