I believe that this should be determined on a case by case basis by considering what would be the most useful to future readers of the site.
If the question has an accepted answer it should be kept. If not, then it should be closed.
I believe that this should be determined on a case by case basis by considering what would be the most useful to future readers of the site.
If the question has an accepted answer it should be kept. If not, then it should be closed.