;; https://www.dr-qubit.org/auto-overlays.html
(use-package auto-overlays)

(auto-overlay-load-definition
 'short-id-subscripts
 `(word :id 'x0
        ("x0"
         (display . "x₀")
         (cursor . t))))

#+nil
(auto-overlay-unload-definition 'my/short-id-subscripts 'x0)

(auto-overlay-start 'short-id-subscripts)

#+nil
(auto-overlay-stop 'short-id-subscripts)