On Fri, Sep 29, 2017 at 3:20 PM, Stefan Monnier <monnier@iro.umontreal.ca>
wrote:

> > ​On a Mac with Emacs 25.3 with focus-follows-mouse​ and
> > mouse-autoselect-window both set true, I get inconsistent behavior.
>
> Beware: `focus-follows-mouse` is a variable which does not *cause* the
> focus to follow the mouse.  Instead it has no other effect than to
> inform Emacs that it's running in an environment where the
> window-manager (or equivalent) uses the policy that the focus should
> follow the mouse.
>

​In other words, it has no use under the macOS window manager.
I just want to get drag events that work across frames.

Bob
​

>
>
>         Stefan
>