bug#25851: 25.2; GTK warning when starting Emacs when desktop file has more than one frame

[Eli Zaretskii]

> Date: Thu, 02 Mar 2017 18:57:30 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: nljlistbox2@gmail.com, 25851@debbugs.gnu.org
> 
> So maybe we should do away with the gtk_window_parse_geometry call, wait
> for people to holler and try to fix problems with gtk_window_move calls
> followed by something like x_wm_set_size_hint (f, 0, true) if needed.

Alternatively, make the current code which allows putting windows
off-screen be conditioned by a user option, by default off.  Then
those who want that will have to deal with the GTK warnings.

> But I'm not overly optimistic and would like to hear the opinion of at
> least one person with GTK skills first.

Me too.