On Tue, Sep 17, 2019 at 4:56 AM martin rudalics <rudalics@gmx.at> wrote:

> For YEARS I've been using a separate frame for control. I'll just toggle
> that off. No issues with that in 26.2. I will try in 26.3. And now that I
> see it, why the heck would you want a separate frame? To have multiple
> diffs going at the same time?

'ediff-window-setup-function' has a misguided default value. Luckily
you can change it - the speedbar, for example, doesn't allow to do
that. I'm using 'ediff-setup-windows-plain' ever since together with
'ediff-split-window-function' set to 'split-window-horizontally'.

martin