Hi David, > I got confused when testing the different variations, I was expecting > the indentation change to happen in the wrong place. Sorry for that! Glad to hear it’s not as bad as you initially thought. > So to be clear: setting org-indent-indentation-per-level to 0 is broken > and leads to the aforementioned error. Setting it to a value >0 behaves > correctly, as in, the indentation of the heading levels changes > accordingly. Mmmm, that’s a pity. Is the patch in your original email a good fix for this? If not, would you be willing to try to make a patch that neatly solves the 0 issue? All the best, Timothy