Re: [bug] Gnus weird behavior

[Daiki Ueno]

>>>>> In <address@hidden> 
>>>>>   Leo <address@hidden> wrote:
> To reproduce:
>    - go to the article buffer
>    - click the right arrow in the toolbar

> Backtrace:
> ,----
> | Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
> |   gnus-summary-next-article(nil)
> |   call-interactively(gnus-summary-next-article)
> `----

The cause of the problem seems that gnus-article-mode uses
gnus-summary-mode's tool-bar-map and a few commands in it expect to be
called from the summary buffers.

> BTW, left arrow does not have this problem.

However, it doesn't select the previous article, does it?

Here is a patch.

Index: lisp/gnus/gnus-sum.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/gnus/gnus-sum.el,v
retrieving revision 1.96
diff -c -r1.96 gnus-sum.el
*** lisp/gnus/gnus-sum.el       12 Dec 2006 16:12:12 -0000      1.96
--- lisp/gnus/gnus-sum.el       26 Dec 2006 01:12:40 -0000
***************
*** 7333,7338 ****
--- 7333,7341 ----
  If SUBJECT, only articles with SUBJECT are selected.
  If BACKWARD, the previous article is selected instead of the next."
    (interactive "P")
+   ;; Make sure we are in the summary buffer.
+   (unless (eq major-mode 'gnus-summary-mode)
+     (set-buffer gnus-summary-buffer))
    (cond
     ;; Is there such an article?
     ((and (gnus-summary-search-forward unread subject backward)

-- 
Daiki Ueno