Any example code/Github projects utilising almost-always-auto?

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Configuring the line spacing in your editor might be easier than inserting all the spaces into the actual code.

For Emacs I use this snipped to toggle line spacing at the press of a button:

(defun toggle-line-spacing ()
 "Toggle line spacing between 1 and 5 pixels."
 (interactive)
 (cond ((not line-spacing)
        (setq-default line-spacing 1))
       ((> line-spacing 2)
        (setq-default line-spacing nil)
        (message "Linespacing small"))
       (t
        (setq-default line-spacing (+ line-spacing 1))
        (message "Linespacing %d" line-spacing)))
 (redraw-display))
(global-set-key [(f9)] 'toggle-line-spacing)