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

[Eli Zaretskii]

> From: Juri Linkov <juri@jurta.org>
> Date: Sun, 13 Jan 2013 11:56:20 +0200
> Cc: 12915@debbugs.gnu.org
> 
> When this feature was discussed last time at
> http://thread.gmane.org/gmane.emacs.pretest.bugs/9253/focus=43774
> I found it too irritating that it clutters the minibuffer history
> with too many unnecessary elements that were not entered manually.

That discussion also suggested a very simple device to avoid such
cluttering, and only add to history files which Emacs visited by user
commands.  So this difficulty doesn't seem to be a real one.

> Since this is a matter of personal preference, I think not Lisp callers
> but Emacs users should be able to specify what to add to the history.

Emacs already has way too many options.