Btw, it would be good if this change was mentioned in the NEWS, since I'm
pretty sure I'm not the only Emacs user that will find it useful :-)


On 19 November 2013 10:26, Stephen J. Turnbull <stephen@xemacs.org> wrote:

> Brian Jenkins writes:
>
>  > It's not clear to me that X itself even *has* a concept of "active
>  > application" distinct from "frame that has input focus".
>
> No, it doesn't, and it can't.
>
> Multiple applications can select events in the same X window at the same
> time.  For example, the classic debugging tool xev(1) selects events on
> a window you select (say, an Emacs frame), and outputs a trace of those
> events.  Which is active: xev, or Emacs (which also receives those input
> events and acts on them as if xev didn't exist)?
>
> The only sane answer is "both of them".
>
>
>
>