> In M-x tramp-bug, please do not use that emacs thing that makes one
> unable to do ^X^E next to (setq tramp-verbose 9).
> We can see it but can't move the cursor to it.
> It is very frustrating.
> Just use plain text.
> (In fact, if the user tries to kill some of those untouchable lines, it
> messes up emacs for the rest of the session... probably unreproducible.)
We have discussed this already, see Emacs bug#26036. What do you expect