bug#71386: 29.1; Frame is auto-deleted even when it has multiple tabs

[martin rudalics]

> I don't understand the logic of window--delete.

It mainly tries to deal with the auto hide mechanism.  Other then that
it looks pretty innocuous to me.

> But maybe
> window-deletable-p should also check for existing tabs in tab-bar-mode
> and return 'tab' instead of 'frame'.  Then window--delete
> could close the tab instead of deleting the frame.

Governed by an option in the tabs code, I would say.

martin