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bug#13066: 24.2.90; setting rmail-summary-window-size causes error
From: |
Glenn Morris |
Subject: |
bug#13066: 24.2.90; setting rmail-summary-window-size causes error |
Date: |
Thu, 06 Dec 2012 15:55:07 -0500 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Kenichi Handa wrote:
> % emacs -Q
> M-x rmail RET
> M-x customize-variable RET rmail-summary-window-size
> ;; Then set it to 10, click [apply], type q, then type h,
> ;; and then type g (rmail-summary-get-new-mail).
>
> This causes the same error. The backtrace is this:
>
> Debugger entered--Lisp error: (wrong-type-argument numberp nil)
> zerop(nil)
> (or (zerop msg) (rmail-summary-goto-msg msg))
> (let (msg) (save-current-buffer (set-buffer rmail-buffer)
> (rmail-get-new-mail file-name) (setq msg rmail-current-message)) (or (zerop
> msg) (rmail-summary-goto-msg msg)))
> rmail-summary-get-new-mail(nil)
> call-interactively(rmail-summary-get-new-mail nil nil)
This is also because rmail-maybe-display-summary behaves differently to
how it used to.
When we enter rmail-maybe-display-summary:
current-buffer = RMAIL
selected-window = RMAIL summary
When we get to the end of this function:
(unwind-protect
(progn
;; current-buffer = RMAIL
(select-window window) ; -> RMAIL summary
;; In 24.2, RMAIL buffer still current.
;; In 24.2.90, RMAIL summary buffer is now current.
(enlarge-window (- rmail-summary-window-size (window-height))))
(select-window selected)))))
I think we could summarize the difference between 24.2 and 24.2.90
by using emacs -Q, then evaluating the following in scratch:
(progn
(message "1 : %s : %s" (current-buffer) (selected-window))
(set-buffer "*Messages*")
(message "2 : %s : %s" (current-buffer) (setq window
(selected-window)))
(select-window window)
(message "3 : %s : %s" (current-buffer) (setq window (selected-window))))
With 24.2, the result is:
1 : *scratch* : #<window 3 on *scratch*>
2 : *Messages* : #<window 3 on *scratch*>
3 : *Messages* : #<window 3 on *scratch*>
With 24.2.90, it is:
1 : *scratch* : #<window 3 on *scratch*>
2 : *Messages* : #<window 3 on *scratch*>
3 : *scratch* : #<window 3 on *scratch*>
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Kenichi Handa, 2012/12/03
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, martin rudalics, 2012/12/03
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Glenn Morris, 2012/12/03
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Glenn Morris, 2012/12/03
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Kenichi Handa, 2012/12/04
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Kenichi Handa, 2012/12/06
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error,
Glenn Morris <=
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Glenn Morris, 2012/12/06
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, martin rudalics, 2012/12/07
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Kenichi Handa, 2012/12/07
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, martin rudalics, 2012/12/08
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, martin rudalics, 2012/12/28
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, Kenichi Handa, 2012/12/30
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, martin rudalics, 2012/12/30
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, martin rudalics, 2012/12/31
- bug#13066: 24.2.90; setting rmail-summary-window-size causes error, martin rudalics, 2012/12/04