bug#65622: Inappropriate suppression of backtrace on an error

[Alan Mackenzie]

Hello, Michael.

The bug is now fixed.

On Thu, Aug 31, 2023 at 01:16:42 +0200, Michael Heerdegen wrote:
> Alan Mackenzie <acm@muc.de> writes:

> > Hello, Emacs.
> > (v) Set debug-on-error to t with M-: (setq debug-on-error t).
> > (vi) Repeat (iv).  This throws the same error, without a backtrace.  This
> >   lack of a backtrace is a bug.

> I think you just need (setq eval-expression-debug-on-error t).

> Stumbled over the same issue ... yesterday?, or so.  Also when debugging
> Edebug.

> Maybe people would like debug-on-error -> t taking precedence over
> eval-expression-debug-on-error -> nil?  The danger is they turn both off
> by default and then forget about the second one.

> Michael.

-- 
Alan Mackenzie (Nuremberg, Germany).