This is a bachelor's thesis from University of Uppsala submitted in March 2026.
I was having trouble accessing the Digitala Vetenskapliga Arkivet site (linked in headline) directly, so uploaded it here (link expires in 3 days):
https://temp.sh/CVzcQ/emacs-arch-thesis.pdf
https://gwern.net/doc/cs/lisp/emacs/2026-karlsson.pdf
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https://gwern.net/doc/cs/lisp/emacs/2026-karlsson.pdf