possible to refile to nonexistent header and loose data

[mediapathic]

When doing a visual refile from a split window on another buffer I have the option to refile to the Backlinks header. org-refile lets me do this, but nroam of course does not allow filing there, so the refiled header just disappears.

I wonder if this is possible to fix within the bounds of org-refile. Is there a way to designate a header not a valid refile target on the fly?

[NicolasPetton]

@mediapathic I have to think about it, this one is a bit tricky.