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Re: Emacs 25.1 RC1: incipient insanity, or can't set debug-on-error.
From: |
Sven Joachim |
Subject: |
Re: Emacs 25.1 RC1: incipient insanity, or can't set debug-on-error. |
Date: |
Tue, 26 Jul 2016 23:08:17 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
On 2016-07-26 20:34 +0000, Alan Mackenzie wrote:
> Hello, Emacs.
>
> Start RC1 with emacs -Q.
>
> M-: debug-on-error returns t.
> C-h v debug-on-error states that the variable has value nil. How can
> this be?
>
> M-: (setq debug-on-error nil) ; in buffer *scratch*, still.
> M-: debug-on-error returns t. How can this be?
See the documentation for debug-on-error:
,----
| debug-on-error is a variable defined in ‘C source code’.
| Its value is nil
|
| Documentation:
| [...]
| When you evaluate an expression interactively, this variable
| is temporarily non-nil if ‘eval-expression-debug-on-error’ is non-nil.
`----
> Why does this variable behave so strangely? Or am I going mad? Or,
> even both? Should I submit a bug report for this?
Everything works as designed, AFAICS (by default,
eval-expression-debug-on-error is t).
Cheers,
Sven
- Emacs 25.1 RC1: incipient insanity, or can't set debug-on-error., Alan Mackenzie, 2016/07/26
- Re: Emacs 25.1 RC1: incipient insanity, or can't set debug-on-error., Robert Weiner, 2016/07/26
- Re: Emacs 25.1 RC1: incipient insanity, or can't set debug-on-error., Dale Snell, 2016/07/26
- Re: Emacs 25.1 RC1: incipient insanity, or can't set debug-on-error.,
Sven Joachim <=
- Re: Emacs 25.1 RC1: incipient insanity, or can't set debug-on-error., Stephen Berman, 2016/07/26