bug#12915: 24.2.50; Visiting a file via drag-and-drop should add it to the history of visited files

[Stefan Monnier]

> Perhaps I wasn't clear enough, but what I had in mind was adding to
> the history every file visited _under direct user request_ (with
> either `C-x C-f', drag-n-drop, click on dired buffer, jump to
> bookmark, menu item, command line argument, etc).

Do you agree that "file displayed" is a good enough approximation?
What are the cases where Emacs displays a file without it being "under
direct user request"?


        Stefan