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

[Stefan Monnier]

>> Maybe a more automatic way is to provide a `display-buffer-hook', that's
>> run from `set-window-buffer', and then have find-file-noselect use this
>> hook to add the file name onto the history if the buffer is shown to
>> the user.
> `buffer-list-update-hook' ?

Is it run when we set-display-buffer?


        Stefan