Pavel@Janik.cz (Pavel Janík) writes:

> Debugger entered--Lisp error: (wrong-type-argument window-live-p #<window 519>)
>   select-window(#<window 519>)
>   widget-button-click((down-mouse-2 (#<window 519> 39 (266 . 6) -132791712)))
>   call-interactively(widget-button-click)

Pavel@Janik.cz (Pavel Janík) writes:

>    From: Simon Josefsson <jas@extundo.com>
>    Date: Fri, 14 Sep 2001 21:39:35 +0200
>
> Hi,
>
>    > Maybe you could try applying the diff's between gnus-art.el in pretest
>    > and the one in CVS incrementally to find what change caused this?
>    > Assuming it is gnus-art.el which causes this..
>
> OK, running with Gnus 5.9.0 with gnus-msg.el and gnus.el is OK (at least
> for this particular problem). After applying the following patch:


The problem is because the button-click function changes the window
configuration, however, in widget-button-click, there is a
save-selected-window.  The attached workaround fixes the problem.

Gerd, what is the reason to save the selected window around the code
handling clicks on buttons in widget-button-click?  Is the workaround
appropriate?

ShengHuo