bug#65837: 30.0.50; Debugger in non-main threads

[Helmut Eller]

On Sat, Sep 09 2023, Eli Zaretskii wrote:

> Can you describe the bug, though?  What exactly happens that is wrong,
> and how to reproduce it?

Start the debugger with

  emacs -Q --eval '(make-thread (lambda() (debug)))'

The bug is that pressing q doesn't actually delete the *Backtrace*
window.  The expected behavior in that the window should be deleted and
the buffer should be killed.

Helmut