bug#9105: Feature req: Remembering emacs frames, windows, buffer position to subsequent session

[Juri Linkov]

> Please do it in a separate library, and keep it decoupled from Desktop.  Yes, 
> it
> should be possible and easy to use it in conjunction with Desktop.  But it
> should also be possible to use each separately, and preferably without loading
> the other.

Most of the functionality of desktop.el is already duplicated in
savehist.el and saveplace.el because they use different formats.
So remembering Emacs frames and windows could be implemented separately
in two places: in desktop.el and in a new library like savewindows.el
or saveframes.el.