In 2015, I started diving deeper into GNU Emacs because I saw its potential as an assistive technology. Not only as a way of providing better access to books and code for my students and clients, many of whom are blind, but also as a tool for creating more accessible content. Regular expressions and modes like Org, Markdown, and AucTex are extremely useful in the production of alternate formats.
Although I had used Emacs as a vanilla text editor off and on since the 90's, I didn't learn anything about the underlying Emacs Lisp (elisp) programming language until the end of 2015, when I got a hardcopy Emacs manual, quit my day job, and grew t