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

[martin rudalics]

> My reading of this text is that it says that applications should not
> micromanage the positioning of windows. That makes sense. But placement
> of restored windows at startup is not micromanagement in my opinion.
> After all, it is putting windows back in the position that the Window
> Manager placed them in the first place, or back in the position that the
> user moved them to.

Right from our POV.  But the window manager wouldn't know that these
frames are just "put back".

Note also that I do not necessarily agree with that text - it just might
explain the rationale of the windowing systems or window managers we use.

martin