On Mon, Oct 9, 2017 at 8:21 AM martin rudalics <rudalics@gmx.at> wrote:
 >> But perhaps we should simply stop showing vertical borders on
 >> graphical frames.
 >
 > Aren't they needed for resizing windows with a mouse?

The majority of users probably has vertical scroll bars turned on, so
they can't do that anyway.

I am in the minority then (have the scroll bars disabled). But then I also never resize windows using mouse. But I can see some users get frustrated if suddenly window-resizing using mouse stopped working. 
--

Kaushal Modi