bug#31546: 27.0.50; macOS child frames with no mode-line mouse click problem

[martin rudalics]

>                       (no-accept-focus t)

This should probably be

                       (no-accept-focus . t)

> Then click where the modeline would be, you'll see the mouse cursor turn
> to a finger pointer when it's in the right spot.

What happens when you give 'win' a 'mode-line-format' window paramter
of nil?  Also can you try with horizontal scroll bars enabled?

> If you click then the
> buffer will shift up one line and there will be no way to get it back.

Does "shift up one line" mean the

1 This is a test

line scrolls off screen or does that line get deleted from the buffer?

martin