GNU bug report logs - #1276
23.0.60; select_window_norecord chokes on dead window

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From: martin rudalics <rudalics <at> gmx.at>
To: emacs-pretest-bug <emacs-pretest-bug <at> gnu.org>
Subject: bug#1276: 23.0.60; select_window_norecord chokes on dead window
Date: Thu, 30 Oct 2008 12:39:58 +0100

[Message part 1 (text/plain, inline)]

To reproduce with emacs -Q evaluate the following form

(progn
   (setq debug-on-error t)
   (set-frame-height (selected-frame) 10)
   (split-window)
   (temp-buffer-resize-mode)
   (setq temp-buffer-max-height 20))

and do

   C-h v temp-buffer-max-height

Gets me

Debugger entered--Lisp error: (wrong-type-argument window-live-p #<window 3>)
   describe-variable(temp-buffer-max-height)
   call-interactively(describe-variable nil nil)


FWIW, the reason is that `fit-window-to-buffer' deletes prev_window
temp_output_buffer_show eventually wants to resurrect after running
`temp-buffer-show-hook'.  The attached patch fixes this for me.

martin, who thinks that `fit-window-to-buffer' shouldn't delete windows ...

[select_window_norecord.diff (text/plain, inline)]

*** window.c.~1.631.~	2008-10-29 10:29:14.718750000 +0100
--- window.c	2008-10-30 11:08:50.406250000 +0100
***************
*** 3643,3649 ****
  select_window_norecord (window)
       Lisp_Object window;
  {
!   return Fselect_window (window, Qt);
  }
  
  Lisp_Object
--- 3643,3650 ----
  select_window_norecord (window)
       Lisp_Object window;
  {
!   return WINDOW_LIVE_P (window)
!     ? Fselect_window (window, Qt) : selected_window;
  }
  
  Lisp_Object

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